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Unit Conversion Calculators

Convert everyday and technical units for measurements, cooking, travel, school, engineering, data, fuel economy, and energy comparisons.

Length Converter

Compare miles, kilometers, feet, meters, and other distance units

Weight Converter

Translate pounds, kilograms, ounces, grams, and related mass units

Temperature Converter

Switch temperature readings among Celsius, Fahrenheit, and Kelvin

Volume Converter

Work across liters, gallons, cups, and other capacity measures

Area Converter

Reframe land and surface measurements in square or acreage units

Speed Converter

Match road, marine, and scientific speeds across common units

Time Converter

Express durations in seconds, minutes, hours, days, and longer periods

Data Storage Converter

Relate bytes, kilobytes, megabytes, gigabytes, and terabytes

Pressure Converter

Translate pressure readings among PSI, bar, pascals, and atmospheres

Energy Converter

Compare joules, calories, BTU, kilowatt-hours, and other energy units

Fuel Economy Converter

Move fuel-economy figures among MPG, L/100km, and km/L

Angle Converter

Recast angles in degrees, radians, gradians, and other formats

Inches to Centimeters Converter

Restate inches in centimeters for screen sizes.

Feet to Meters Converter

Find the meters equivalent of feet used in room dimensions.

Yards to Meters Converter

A direct yards-to-meters calculation for field markings.

Miles to Kilometers Converter

See how an amount in miles reads in kilometers for road distances.

Nautical Miles to Kilometers Converter

Translate measurements from nautical miles into kilometers for marine routes.

Micrometers to Millimeters Converter

Compare micrometers with millimeters when working with machining tolerances.

Nanometers to Micrometers Converter

Express a recorded nanometers quantity in micrometers for wavelengths.

Fathoms to Meters Converter

Work from fathoms to meters in water depth.

Light-Years to Kilometers Converter

Report a value given in light-years as kilometers for stellar distances.

Astronomical Units to Kilometers Converter

Match an entered astronomical units amount to its kilometers value in planetary distances.

Square Feet to Square Meters Converter

Move between square feet and square meters for floor plans.

Acres to Hectares Converter

Check the corresponding hectares amount for acres in land records.

Hectares to Acres Converter

For agricultural reports, calculate the acres value represented by hectares.

Square Miles to Square Kilometers Converter

Measurements in municipal areas can be changed from square miles to square kilometers here.

Square Inches to Square Centimeters Converter

When small surface areas starts in square inches, obtain the equivalent in square centimeters.

Acres to Square Feet Converter

Apply the defined relationship between acres and square feet for parcel sketches.

Gallons to Liters Converter

Convert the unit pair US liquid gallons and liters for fuel.

Liters to Gallons Converter

Read a liters measurement on the US liquid gallons scale for container capacity.

Cups to Milliliters Converter

Reframe US customary cups as milliliters while handling recipes.

Tablespoons to Milliliters Converter

Calculate across the US tablespoons and milliliters scales for recipes.

Teaspoons to Milliliters Converter

For work involving small recipe quantities, restate US teaspoons as milliliters.

Cubic Feet to Cubic Meters Converter

The matching cubic meters figure for a value in cubic feet, suited to room volumes.

Cubic Inches to Cubic Centimeters Converter

A focused unit change from cubic inches to cubic centimeters for engine displacement.

Oil Barrels to Gallons Converter

Relate a oil barrels entry to its equivalent US gallons amount in petroleum reporting.

Pounds to Kilograms Converter

Restate pounds in kilograms for shipping weights.

Ounces to Grams Converter

Find the grams equivalent of avoirdupois ounces used in food packages.

Stones to Pounds Converter

A direct stones-to-pounds calculation for body-weight records.

Metric Tons to Pounds Converter

See how an amount in metric tons reads in pounds for freight.

Carats to Grams Converter

Translate measurements from metric carats into grams for gemstone weights.

Grains to Milligrams Converter

Compare grains with milligrams when working with historical mass records.

Celsius to Fahrenheit Converter

Express a recorded degrees Celsius quantity in degrees Fahrenheit for weather reports.

Fahrenheit to Celsius Converter

Work from degrees Fahrenheit to degrees Celsius in weather.

Celsius to Kelvin Converter

Report a value given in degrees Celsius as kelvins for laboratory work.

Kelvin to Celsius Converter

Match an entered kelvins amount to its degrees Celsius value in laboratory readings.

MPH to KPH Converter

Move between miles per hour and kilometers per hour for vehicle speeds.

Knots to MPH Converter

Check the corresponding miles per hour amount for knots in marine speeds.

Meters per Second to KPH Converter

For science problems, calculate the kilometers per hour value represented by meters per second.

Feet per Second to MPH Converter

Measurements in motion measurements can be changed from feet per second to miles per hour here.

Mach to MPH Converter

When aviation references and approximate speed comparisons under stated atmospheric conditions starts in Mach at standard sea-level conditions, obtain the equivalent in miles per hour.

PSI to Bar Converter

Follow the defined relationship between pounds per square inch and bar for tire pressures.

Bar to PSI Converter

Convert the unit pair bar and pounds per square inch for tire settings.

Kilopascals to PSI Converter

Read a kilopascals measurement on the pounds per square inch scale for tire labels.

Atmospheres to Kilopascals Converter

Reframe standard atmospheres as kilopascals while handling laboratory conditions.

Millimeters of Mercury to Kilopascals Converter

Calculate across the millimeters of mercury and kilopascals scales for barometric records.

Joules to Calories Converter

For work involving physics problems, restate joules as thermochemical calories.

Kilowatt-Hours to Joules Converter

The matching joules figure for a value in kilowatt-hours, suited to electricity use.

BTU to Kilowatt-Hours Converter

A focused unit change from British thermal units (IT) to kilowatt-hours for heating and cooling loads.

Horsepower to Kilowatts Converter

Relate a mechanical horsepower entry to its equivalent kilowatts amount in motors.

Watts to BTU per Hour Converter

Restate watts in BTU per hour for heaters.

Therms to Kilowatt-Hours Converter

Find the kilowatt-hours equivalent of US therms used in utility bills.

Liters per Minute to Gallons per Minute Converter

A direct liters per minute-to-US gallons per minute calculation for pump specifications.

Gallons per Minute to Liters per Minute Converter

See how an amount in US gallons per minute reads in liters per minute for pumps.

CFM to Cubic Meters per Hour Converter

Translate measurements from cubic feet per minute into cubic meters per hour for ventilation.

Cubic Meters per Hour to CFM Converter

Compare cubic meters per hour with cubic feet per minute when working with airflow schedules.

Liters per Second to Cubic Meters per Hour Converter

Express a recorded liters per second quantity in cubic meters per hour for water treatment.

Barrels per Day to Gallons per Minute Converter

Work from oil barrels per day to US gallons per minute in petroleum production.

Meters per Second Squared to Feet per Second Squared Converter

Report a value given in meters per second squared as feet per second squared for motion analysis.

Feet per Second Squared to Meters per Second Squared Converter

Match an entered feet per second squared amount to its meters per second squared value in vehicle data.

G-Force to Meters per Second Squared Converter

Move between standard gravity multiples and meters per second squared for acceleration testing.

Kilometers per Hour per Second to Meters per Second Squared Converter

Check the corresponding meters per second squared amount for kilometers per hour per second in vehicle performance.

Newtons to Pounds-Force Converter

For mechanical specifications, calculate the pounds-force value represented by newtons.

Pounds-Force to Newtons Converter

Measurements in equipment loads can be changed from pounds-force to newtons here.

Kilonewtons to Pounds-Force Converter

When structural loads starts in kilonewtons, obtain the equivalent in pounds-force.

Kilogram-Force to Newtons Converter

Calculate with the defined relationship between kilogram-force and newtons for legacy equipment data.

Dynes to Newtons Converter

Convert the unit pair dynes and newtons for centimeter-gram-second records.

Newton-Meters to Pound-Feet Converter

Read a newton-meters measurement on the pound-feet scale for fastener settings.

Pound-Feet to Newton-Meters Converter

Reframe pound-feet as newton-meters while handling torque wrenches.

Newton-Meters to Pound-Inches Converter

Calculate across the newton-meters and pound-inches scales for small fasteners.

Kilogram-Force Meters to Newton-Meters Converter

For work involving legacy torque tables, restate kilogram-force meters as newton-meters.

Ounce-Inches to Newton-Meters Converter

The matching newton-meters figure for a value in ounce-inches, suited to small motors.

Kilograms per Cubic Meter to Pounds per Cubic Foot Converter

A focused unit change from kilograms per cubic meter to pounds per cubic foot for materials.

Pounds per Cubic Foot to Kilograms per Cubic Meter Converter

Relate a pounds per cubic foot entry to its equivalent kilograms per cubic meter amount in material data.

Grams per Cubic Centimeter to Kilograms per Cubic Meter Converter

Restate grams per cubic centimeter in kilograms per cubic meter for material science.

Grams per Milliliter to Pounds per Gallon Converter

Find the pounds per US gallon equivalent of grams per milliliter used in liquid products.

Pounds per Gallon to Kilograms per Liter Converter

A direct pounds per US gallon-to-kilograms per liter calculation for liquid density.

Hertz to Kilohertz Converter

See how an amount in hertz reads in kilohertz for audio.

Megahertz to Hertz Converter

Translate measurements from megahertz into hertz for radio frequencies.

RPM to Hertz Converter

Compare revolutions per minute with hertz when working with motors.

Radians per Second to Hertz Converter

Express a recorded radians per second quantity in hertz for angular frequency.

Megabits per Second to Megabytes per Second Converter

Work from megabits per second to megabytes per second in internet plans.

Megabytes per Second to Megabits per Second Converter

Report a value given in megabytes per second as megabits per second for file transfers.

Gigabits per Second to Megabytes per Second Converter

Match an entered gigabits per second amount to its megabytes per second value in high-speed networks.

Kilobits per Second to Megabits per Second Converter

Move between kilobits per second and megabits per second for streaming bitrates.

Mebibytes per Second to Megabits per Second Converter

Check the corresponding megabits per second amount for mebibytes per second in binary storage throughput.

Gigabytes per Hour to Megabytes per Second Converter

For batch transfers, calculate the megabytes per second value represented by decimal gigabytes per hour.

Coulombs to Amp-Hours Converter

Measurements in battery charge can be changed from coulombs to amp-hours here.

Amp-Hours to Coulombs Converter

When battery capacity starts in amp-hours, obtain the equivalent in coulombs.

Milliamp-Hours to Amp-Hours Converter

Convert through the defined relationship between milliamp-hours and amp-hours for batteries.

Elementary Charges to Coulombs Converter

Convert the unit pair elementary charges and coulombs for particle counts.

Grays to Rads Converter

Read a grays measurement on the rads scale for absorbed-dose records.

Rads to Grays Converter

Reframe rads as grays while handling legacy absorbed-dose data.

Sieverts to Rem Converter

Calculate across the sieverts and roentgen equivalent man scales for dose-equivalent records.

Rem to Sieverts Converter

For work involving legacy dose-equivalent reports, restate roentgen equivalent man as sieverts.

Points to Pixels Converter

The matching CSS pixels at 96 ppi figure for a value in typographic points, suited to web typography.

Pixels to Points Converter

A focused unit change from CSS pixels at 96 ppi to typographic points for web-to-print comparisons.

Pixels per Inch to Pixels per Centimeter Converter

Relate a pixels per inch entry to its equivalent pixels per centimeter amount in image resolution.

Pixels per Centimeter to Pixels per Inch Converter

Restate pixels per centimeter in pixels per inch for image metadata.

Fluid Ounces to Milliliters Converter

Find the milliliters equivalent of US fluid ounces used in beverages.

Pints to Liters Converter

A direct US liquid pints-to-liters calculation for beverages.

Quarts to Liters Converter

See how an amount in US liquid quarts reads in liters for cooking.

Centipoise to Pascal-Seconds Converter

Translate measurements from centipoise into pascal-seconds for fluid data.

Pascal-Seconds to Centipoise Converter

Compare pascal-seconds with centipoise when working with fluid property tables.

Centistokes to Square Meters per Second Converter

Express a recorded centistokes quantity in square meters per second for oil specifications.

Square Meters per Second to Centistokes Converter

Work from square meters per second to centistokes in SI fluid data.

Poise to Pascal-Seconds Converter

Report a value given in poise as pascal-seconds for legacy viscosity data.

Milligrams per Liter to Grams per Liter Converter

Match an entered milligrams per liter amount to its grams per liter value in water analysis.

Grams per Liter to Milligrams per Milliliter Converter

Move between grams per liter and milligrams per milliliter for solution preparation.

PPM to Percent Converter

Check the corresponding percent amount for parts per million in trace concentrations.

Percent to PPM Converter

For formulations, calculate the parts per million value represented by percent.

Moles per Liter to Millimoles per Liter Converter

Measurements in solution chemistry can be changed from moles per liter to millimoles per liter here.

Tesla to Gauss Converter

When magnet specifications starts in tesla, obtain the equivalent in gauss.

Gauss to Tesla Converter

Work from the defined relationship between gauss and tesla for magnetic measurements.

Webers to Maxwells Converter

Convert the unit pair webers and maxwells for magnetic flux records.

Maxwells to Webers Converter

Read a maxwells measurement on the webers scale for legacy magnetic-flux tables.

Millitesla to Gauss Converter

Reframe millitesla as gauss while handling magnet ratings.

Lux to Foot-Candles Converter

Calculate across the lux and foot-candles scales for lighting plans.

Foot-Candles to Lux Converter

For work involving lighting surveys, restate foot-candles as lux.

Nits to Foot-Lamberts Converter

The matching foot-lamberts figure for a value in candelas per square meter, suited to display brightness.

Foot-Lamberts to Nits Converter

A focused unit change from foot-lamberts to candelas per square meter for cinema screens.

Lux to Phot Converter

Relate a lux entry to its equivalent phot amount in legacy illuminance records.

Becquerels to Curies Converter

Restate becquerels in curies for activity records.

Curies to Becquerels Converter

Find the becquerels equivalent of curies used in legacy radioactivity reports.

Kilobecquerels to Megabecquerels Converter

A direct kilobecquerels-to-megabecquerels calculation for activity measurements.

Disintegrations per Minute to Becquerels Converter

See how an amount in disintegrations per minute reads in becquerels for count-rate records.

Becquerels to Disintegrations per Minute Converter

Translate measurements from becquerels into disintegrations per minute for activity data.

Pascals to Micropascals Converter

Compare pascals with micropascals when working with acoustic pressure.

Micropascals to Pascals Converter

Express a recorded micropascals quantity in pascals for sound-pressure records.

Sound Pressure Pascals to PSI Converter

Work from sound-pressure pascals to pounds per square inch in high-amplitude acoustic testing.

Dynes per Square Centimeter to Pascals Converter

Report a value given in dynes per square centimeter as pascals for legacy acoustics.

Watts per Meter-Kelvin to BTU per Hour-Foot-Fahrenheit Converter

Match an entered watts per meter-kelvin amount to its BTU per hour-foot-degree Fahrenheit value in insulation.

BTU per Hour-Foot-Fahrenheit to Watts per Meter-Kelvin Converter

Move between BTU per hour-foot-degree Fahrenheit and watts per meter-kelvin for material data.

Watts per Square Meter-Kelvin to BTU per Hour-Square Foot-Fahrenheit Converter

Check the corresponding BTU per hour-square foot-degree Fahrenheit amount for watts per square meter-kelvin in heat exchangers.

BTU per Hour-Square Foot-Fahrenheit to Watts per Square Meter-Kelvin Converter

For thermal transmittance, calculate the watts per square meter-kelvin value represented by BTU per hour-square foot-degree Fahrenheit.

Calories per Second-Centimeter-Celsius to Watts per Meter-Kelvin Converter

Measurements in legacy thermal-conductivity tables can be changed from thermochemical calories per second-centimeter-degree Celsius to watts per meter-kelvin here.

Watt-Hours per Kilogram to Joules per Kilogram Converter

When battery data starts in watt-hours per kilogram, obtain the equivalent in joules per kilogram.

Joules per Kilogram to Watt-Hours per Kilogram Converter

Restate with the defined relationship between joules per kilogram and watt-hours per kilogram for material energy data.

Megajoules per Kilogram to BTU per Pound Converter

Convert the unit pair megajoules per kilogram and BTU per pound for fuel heating values.

Watt-Hours per Liter to Kilojoules per Liter Converter

Read a watt-hours per liter measurement on the kilojoules per liter scale for battery volumes.

Kilowatt-Hours per Cubic Meter to Megajoules per Cubic Meter Converter

Reframe kilowatt-hours per cubic meter as megajoules per cubic meter while handling fuel gases.

Megabytes to Mebibytes Converter

Calculate across the decimal megabytes and binary mebibytes scales for file sizes.

Mebibytes to Megabytes Converter

For work involving system reports, restate binary mebibytes as decimal megabytes.

Gigabytes to Gibibytes Converter

The matching binary gibibytes figure for a value in decimal gigabytes, suited to drive capacities.

Gibibytes to Gigabytes Converter

A focused unit change from binary gibibytes to decimal gigabytes for operating-system values.

Terabytes to Tebibytes Converter

Relate a decimal terabytes entry to its equivalent binary tebibytes amount in large drives.

Tebibytes to Terabytes Converter

Restate binary tebibytes in decimal terabytes for storage systems.

Degrees to Radians Converter

Find the radians equivalent of degrees used in trigonometry.

Radians to Degrees Converter

A direct radians-to-degrees calculation for geometry.

Degrees to Gradians Converter

See how an amount in degrees reads in gradians for surveying.

RPM to Radians per Second Converter

Translate measurements from revolutions per minute into radians per second for motors.

Degrees per Second to RPM Converter

Compare degrees per second with revolutions per minute when working with rotating equipment.

Centimeters to Inches Converter

Express a recorded centimeters quantity in inches for product dimensions.

Meters to Feet Converter

Work from meters to feet in building plans.

Kilometers to Miles Converter

Report a value given in kilometers as miles for road distances.

Millimeters to Inches Converter

Match an entered millimeters amount to its inches value in machining.

Meters to Yards Converter

Move between meters and yards for sports fields.

Square Meters to Square Feet Converter

Check the corresponding square feet amount for square meters in floor plans.

Square Kilometers to Square Miles Converter

For maps, calculate the square miles value represented by square kilometers.

Square Yards to Square Meters Converter

Measurements in flooring can be changed from square yards to square meters here.

Square Centimeters to Square Inches Converter

When component faces starts in square centimeters, obtain the equivalent in square inches.

Milliliters to Fluid Ounces Converter

Translate through the defined relationship between milliliters and US fluid ounces for beverage labels.

Cubic Yards to Cubic Meters Converter

Convert the unit pair cubic yards and cubic meters for concrete.

Cubic Meters to Cubic Yards Converter

Read a cubic meters measurement on the cubic yards scale for construction quantities.

Cubic Meters to Liters Converter

Reframe cubic meters as liters while handling tank capacities.

Liters to Cubic Meters Converter

Calculate across the liters and cubic meters scales for tank data.

Gallons to Cubic Feet Converter

For work involving tank capacity, restate US liquid gallons as cubic feet.

Acre-Feet to Cubic Meters Converter

The matching cubic meters figure for a value in acre-feet, suited to reservoirs.

Kilograms to Pounds Converter

A focused unit change from kilograms to pounds for shipping.

Grams to Ounces Converter

Relate a grams entry to its equivalent avoirdupois ounces amount in food packages.

Pounds to Ounces Converter

Restate pounds in ounces for shipping.

Milligrams to Grams Converter

Find the grams equivalent of milligrams used in laboratory measurements.

US Tons to Metric Tons Converter

A direct US short tons-to-metric tons calculation for freight.

KPH to MPH Converter

See how an amount in kilometers per hour reads in miles per hour for road speeds.

MPH to Meters per Second Converter

Translate measurements from miles per hour into meters per second for vehicle testing.

Meters per Second to MPH Converter

Compare meters per second with miles per hour when working with science data.

Knots to KPH Converter

Express a recorded knots quantity in kilometers per hour for marine navigation.

Pascals to PSI Converter

Work from pascals to pounds per square inch in engineering data.

PSI to Kilopascals Converter

Report a value given in pounds per square inch as kilopascals for tire pressures.

Kilopascals to Bar Converter

Match an entered kilopascals amount to its bar value in pneumatic systems.

Kilojoules to Kilocalories Converter

Move between kilojoules and thermochemical kilocalories for food energy.

Kilocalories to Kilojoules Converter

Check the corresponding kilojoules amount for thermochemical kilocalories in nutrition data.

Megajoules to Kilowatt-Hours Converter

For fuel energy, calculate the kilowatt-hours value represented by megajoules.

Kilowatt-Hours to Megajoules Converter

Measurements in electricity use can be changed from kilowatt-hours to megajoules here.

Kilowatts to Horsepower Converter

When motors starts in kilowatts, obtain the equivalent in mechanical horsepower.

BTU per Hour to Watts Converter

Compare through the defined relationship between BTU per hour and watts for heating equipment.

Bytes to Kilobytes Converter

Convert the unit pair bytes and decimal kilobytes for file sizes.

Kibibytes to Bytes Converter

Read a binary kibibytes measurement on the bytes scale for memory allocation.

Gradians to Degrees Converter

Reframe gradians as degrees while handling surveying.

Arcminutes to Degrees Converter

Calculate across the arcminutes and degrees scales for astronomy.

Unit Conversion Calculators for Common Measurements

The conversion calculators handle everyday unit changes across length, weight, temperature, volume, area, speed, time, data, pressure, energy, fuel economy, and angles. Use the Length Converter, Weight Converter, and Temperature Converter for household, travel, classroom, and quick-reference conversions.

For space, land, and capacity, the Area Converter and Volume Converter help compare square feet, square meters, acres, hectares, liters, gallons, cups, and cubic units. Area and volume are easy to mix up because square units and cubic units use different conversion factors than simple length.

For movement, duration, and technical work, use the Speed Converter, Time Converter, Data Storage Converter, Pressure Converter, Energy Converter, Fuel Economy Converter, and Angle Converter.

Focused Converters for a Known Unit Pair

The broad converters remain useful when several possible units must be compared. The focused pages below answer a narrower question when the source and target units are already known, such as inches to centimeters, US gallons to liters, or PSI to bar.

Each focused converter states the exact unit standard, shows the multiplier or temperature offset, works through a sample value, and includes a reverse check. That distinction matters for similarly named measures such as US and imperial gallons, mechanical and metric horsepower, or calories used under different definitions.

Conversion Tips

Choose the converter that matches the measurement type before entering numbers. A length conversion is different from an area conversion, and an area conversion is different from a volume conversion. Converting the wrong dimension is one of the most common measurement mistakes.

For cooking, construction, science, and vehicle calculations, keep precision in mind. Rounding is fine for rough estimates, but small unit differences can matter when the result affects a recipe, a material order, a lab calculation, or a cost comparison.

When a result will be reused in a formula, keep a few extra decimal places until the final step. Rounding early can create visible errors in area, volume, pressure, energy, and fuel economy calculations.