---
title: "Conversion - Free calculators | Numequo"
description: "Convert everyday units quickly and accurately. Enter your values to get a clear result, then review the formula, examples and practical explanations."
canonical: "https://www.numequo.com/conversion/"
locale: "en"
---
# Conversion

Convert everyday units quickly and accurately.

## Subcategories

### [Length](https://www.numequo.com/conversion/length/)

Convert metric, imperial and nautical units of length and distance.

- [Kilometers to Miles Converter](https://www.numequo.com/conversion/length/kilometers-to-miles-converter/) - Convert kilometers to miles. Useful when comparing road distances or race routes published in metric and imperial units.
- [Miles to Kilometers Converter](https://www.numequo.com/conversion/length/miles-to-kilometers-converter/) - Convert miles to kilometers. Useful when comparing road distances or race routes published in metric and imperial units.
- [Meters to Feet Converter](https://www.numequo.com/conversion/length/meters-to-feet-converter/) - Convert meters to feet. Feet often describe a person's height, a room's dimensions or an aircraft's altitude.
- [Feet to Meters Converter](https://www.numequo.com/conversion/length/feet-to-meters-converter/) - Convert feet to meters. Feet often describe a person's height, a room's dimensions or an aircraft's altitude.
- [Centimeters to Inches Converter](https://www.numequo.com/conversion/length/centimeters-to-inches-converter/) - Convert centimeters to inches. Product dimensions, screen sizes and sewing measurements are often given in inches.
- [Inches to Centimeters Converter](https://www.numequo.com/conversion/length/inches-to-centimeters-converter/) - Convert inches to centimeters. Product dimensions, screen sizes and sewing measurements are often given in inches.

### [Mass](https://www.numequo.com/conversion/mass/)

Convert kilograms, pounds, ounces, tonnes and other units of mass.

- [Kilograms to Pounds Converter](https://www.numequo.com/conversion/mass/kilograms-to-pounds-converter/) - Convert kilograms to pounds. Pounds are common on luggage limits, shipping labels and body-weight scales in countries using imperial units.
- [Pounds to Kilograms Converter](https://www.numequo.com/conversion/mass/pounds-to-kilograms-converter/) - Convert pounds to kilograms. Pounds are common on luggage limits, shipping labels and body-weight scales in countries using imperial units.
- [Grams to Ounces Converter](https://www.numequo.com/conversion/mass/grams-to-ounces-converter/) - Convert grams to ounces. The weight ounce is useful for small parcels and food portions listed in US recipes.
- [Ounces to Grams Converter](https://www.numequo.com/conversion/mass/ounces-to-grams-converter/) - Convert ounces to grams. The weight ounce is useful for small parcels and food portions listed in US recipes.
- [Metric tonnes to Pounds Converter](https://www.numequo.com/conversion/mass/tonnes-to-pounds-converter/) - Convert metric tonnes to pounds. Useful for freight loads and industrial quantities when a metric-tonne figure must be read in pounds.
- [Pounds to Metric tonnes Converter](https://www.numequo.com/conversion/mass/pounds-to-tonnes-converter/) - Convert pounds to metric tonnes. Useful for freight loads and industrial quantities when a metric-tonne figure must be read in pounds.

### [Volume](https://www.numequo.com/conversion/volume/)

Convert litres, gallons, cubic units and other measures of capacity.

- [Liters to US gallons Converter](https://www.numequo.com/conversion/volume/liters-to-gallons-converter/) - Convert liters to us gallons. Use this conversion for fuel tanks, containers and recipes that specify US gallons.
- [US gallons to Liters Converter](https://www.numequo.com/conversion/volume/gallons-to-liters-converter/) - Convert us gallons to liters. Use this conversion for fuel tanks, containers and recipes that specify US gallons.
- [Milliliters to US fluid ounces Converter](https://www.numequo.com/conversion/volume/milliliters-to-fluid-ounces-converter/) - Convert milliliters to us fluid ounces. Useful for drink portions, cosmetics and liquid ingredients labeled in US fluid ounces.
- [US fluid ounces to Milliliters Converter](https://www.numequo.com/conversion/volume/fluid-ounces-to-milliliters-converter/) - Convert us fluid ounces to milliliters. Useful for drink portions, cosmetics and liquid ingredients labeled in US fluid ounces.
- [Cubic meters to Liters Converter](https://www.numequo.com/conversion/volume/cubic-meters-to-liters-converter/) - Convert cubic meters to liters. Cubic meters are common on water bills; liters make smaller tank or container volumes easier to picture.
- [Liters to Cubic meters Converter](https://www.numequo.com/conversion/volume/liters-to-cubic-meters-converter/) - Convert liters to cubic meters. Cubic meters are common on water bills; liters make smaller tank or container volumes easier to picture.

### [Area](https://www.numequo.com/conversion/area/)

Convert square units, hectares, acres and other measures of area.

- [Square meters to Square feet Converter](https://www.numequo.com/conversion/area/square-meters-to-square-feet-converter/) - Convert square meters to square feet. Useful when comparing floor areas in property listings from metric and imperial markets.
- [Square feet to Square meters Converter](https://www.numequo.com/conversion/area/square-feet-to-square-meters-converter/) - Convert square feet to square meters. Useful when comparing floor areas in property listings from metric and imperial markets.
- [Hectares to Acres Converter](https://www.numequo.com/conversion/area/hectares-to-acres-converter/) - Convert hectares to acres. Hectares and acres commonly describe agricultural plots, parks and large properties.
- [Acres to Hectares Converter](https://www.numequo.com/conversion/area/acres-to-hectares-converter/) - Convert acres to hectares. Hectares and acres commonly describe agricultural plots, parks and large properties.
- [Square kilometers to Square miles Converter](https://www.numequo.com/conversion/area/square-kilometers-to-square-miles-converter/) - Convert square kilometers to square miles. Compare the size of cities, lakes or regions when maps use square kilometers and square miles.
- [Square miles to Square kilometers Converter](https://www.numequo.com/conversion/area/square-miles-to-square-kilometers-converter/) - Convert square miles to square kilometers. Compare the size of cities, lakes or regions when maps use square kilometers and square miles.

### [Speed](https://www.numequo.com/conversion/speed/)

Convert speed units and calculate running pace from a target finish time.

- [Running Pace Calculator](https://www.numequo.com/conversion/speed/running-pace-calculator/) - Calculate your running pace in min/km, average speed and split times from a target finish time. Choose 5K, 10K, half marathon, marathon or a custom distance.
- [Kilometers per hour to Miles per hour Converter](https://www.numequo.com/conversion/speed/kmh-to-mph-converter/) - Convert kilometers per hour to miles per hour. Road signs and vehicle speedometers may use km/h or mph depending on the country.
- [Miles per hour to Kilometers per hour Converter](https://www.numequo.com/conversion/speed/mph-to-kmh-converter/) - Convert miles per hour to kilometers per hour. Road signs and vehicle speedometers may use km/h or mph depending on the country.
- [Meters per second to Kilometers per hour Converter](https://www.numequo.com/conversion/speed/meters-per-second-to-kmh-converter/) - Convert meters per second to kilometers per hour. Meters per second appear in physics and wind data; km/h can be easier to read for everyday travel.
- [Kilometers per hour to Meters per second Converter](https://www.numequo.com/conversion/speed/kmh-to-meters-per-second-converter/) - Convert kilometers per hour to meters per second. Meters per second appear in physics and wind data; km/h can be easier to read for everyday travel.
- [Knots to Kilometers per hour Converter](https://www.numequo.com/conversion/speed/knots-to-kmh-converter/) - Convert knots to kilometers per hour. Knots are used for boat and aircraft speeds; km/h makes the same speed easier to compare with road travel.
- [Kilometers per hour to Knots Converter](https://www.numequo.com/conversion/speed/kmh-to-knots-converter/) - Convert kilometers per hour to knots. Knots are used for boat and aircraft speeds; km/h makes the same speed easier to compare with road travel.

### [Temperature](https://www.numequo.com/conversion/temperature/)

Convert temperatures between Celsius, Fahrenheit and Kelvin.

- [Celsius to Fahrenheit Converter](https://www.numequo.com/conversion/temperature/celsius-to-fahrenheit-converter/) - Convert celsius to fahrenheit. Use this conversion to read weather forecasts, body temperatures and appliance settings across countries.
- [Fahrenheit to Celsius Converter](https://www.numequo.com/conversion/temperature/fahrenheit-to-celsius-converter/) - Convert fahrenheit to celsius. Use this conversion to read weather forecasts, body temperatures and appliance settings across countries.
- [Celsius to Kelvin Converter](https://www.numequo.com/conversion/temperature/celsius-to-kelvin-converter/) - Convert celsius to kelvin. Kelvin is common in scientific work, while Celsius is easier to read in everyday conditions.
- [Kelvin to Celsius Converter](https://www.numequo.com/conversion/temperature/kelvin-to-celsius-converter/) - Convert kelvin to celsius. Kelvin is common in scientific work, while Celsius is easier to read in everyday conditions.
- [Fahrenheit to Kelvin Converter](https://www.numequo.com/conversion/temperature/fahrenheit-to-kelvin-converter/) - Convert fahrenheit to kelvin. Useful when a temperature given in Fahrenheit must be compared with a scientific value in kelvin.
- [Kelvin to Fahrenheit Converter](https://www.numequo.com/conversion/temperature/kelvin-to-fahrenheit-converter/) - Convert kelvin to fahrenheit. Useful when a temperature given in Fahrenheit must be compared with a scientific value in kelvin.

### [Energy and power](https://www.numequo.com/conversion/energy-power/)

Convert energy, work, heat and power units for everyday and technical uses.

- [Solar Panel Profitability Calculator](https://www.numequo.com/conversion/energy-power/solar-panel-calculator/) - Estimate solar panel payback time and net return from installation cost, electricity used on site, surplus sales and annual expenses.
- [Joules to Thermochemical calories Converter](https://www.numequo.com/conversion/energy-power/joules-to-calories-converter/) - Convert joules to thermochemical calories. Joules and small calories appear in heat and physics calculations.
- [Thermochemical calories to Joules Converter](https://www.numequo.com/conversion/energy-power/calories-to-joules-converter/) - Convert thermochemical calories to joules. Joules and small calories appear in heat and physics calculations.
- [Kilowatt-hours to Joules Converter](https://www.numequo.com/conversion/energy-power/kilowatt-hours-to-joules-converter/) - Convert kilowatt-hours to joules. Electricity consumption is billed in kWh; joules are the standard energy unit in physics.
- [Joules to Kilowatt-hours Converter](https://www.numequo.com/conversion/energy-power/joules-to-kilowatt-hours-converter/) - Convert joules to kilowatt-hours. Electricity consumption is billed in kWh; joules are the standard energy unit in physics.
- [Kilowatts to Mechanical horsepower Converter](https://www.numequo.com/conversion/energy-power/kilowatts-to-horsepower-converter/) - Convert kilowatts to mechanical horsepower. Compare motor power when one specification lists kilowatts and another lists mechanical horsepower.
- [Mechanical horsepower to Kilowatts Converter](https://www.numequo.com/conversion/energy-power/horsepower-to-kilowatts-converter/) - Convert mechanical horsepower to kilowatts. Compare motor power when one specification lists kilowatts and another lists mechanical horsepower.

### [Pressure](https://www.numequo.com/conversion/pressure/)

Convert pascals, bars, atmospheres, PSI and other pressure units.

- [Bar to Pounds per square inch Converter](https://www.numequo.com/conversion/pressure/bar-to-psi-converter/) - Convert bar to pounds per square inch. Tire pressures and compressor specifications may be printed in bar or psi.
- [Pounds per square inch to Bar Converter](https://www.numequo.com/conversion/pressure/psi-to-bar-converter/) - Convert pounds per square inch to bar. Tire pressures and compressor specifications may be printed in bar or psi.
- [Kilopascals to Pounds per square inch Converter](https://www.numequo.com/conversion/pressure/kilopascals-to-psi-converter/) - Convert kilopascals to pounds per square inch. Pressure specifications for tires and equipment can use the SI unit kPa or the imperial unit psi.
- [Pounds per square inch to Kilopascals Converter](https://www.numequo.com/conversion/pressure/psi-to-kilopascals-converter/) - Convert pounds per square inch to kilopascals. Pressure specifications for tires and equipment can use the SI unit kPa or the imperial unit psi.
- [Standard atmospheres to Bar Converter](https://www.numequo.com/conversion/pressure/atmospheres-to-bar-converter/) - Convert standard atmospheres to bar. Atmospheres and bar both express pressure, for example in laboratory data or diving equipment specifications.
- [Bar to Standard atmospheres Converter](https://www.numequo.com/conversion/pressure/bar-to-atmospheres-converter/) - Convert bar to standard atmospheres. Atmospheres and bar both express pressure, for example in laboratory data or diving equipment specifications.

### [Digital data](https://www.numequo.com/conversion/digital-data/)

Convert storage sizes, data rates and common decimal or binary units.

- [Gigabytes to Megabytes Converter](https://www.numequo.com/conversion/digital-data/gigabytes-to-megabytes-converter/) - Convert gigabytes to megabytes. GB and MB help compare file sizes, mobile data allowances and advertised storage capacity.
- [Megabytes to Gigabytes Converter](https://www.numequo.com/conversion/digital-data/megabytes-to-gigabytes-converter/) - Convert megabytes to gigabytes. GB and MB help compare file sizes, mobile data allowances and advertised storage capacity.
- [Gigabytes to Gibibytes Converter](https://www.numequo.com/conversion/digital-data/gigabytes-to-gibibytes-converter/) - Convert gigabytes to gibibytes. Useful when a storage device's advertised GB figure differs from a system display using binary units.
- [Gibibytes to Gigabytes Converter](https://www.numequo.com/conversion/digital-data/gibibytes-to-gigabytes-converter/) - Convert gibibytes to gigabytes. Useful when a storage device's advertised GB figure differs from a system display using binary units.
- [Megabits per second to Megabytes per second Converter](https://www.numequo.com/conversion/digital-data/megabits-to-megabytes-per-second-converter/) - Convert megabits per second to megabytes per second. Internet plans often advertise megabits per second, while downloads are shown in megabytes per second.
- [Megabytes per second to Megabits per second Converter](https://www.numequo.com/conversion/digital-data/megabytes-per-second-to-megabits-converter/) - Convert megabytes per second to megabits per second. Internet plans often advertise megabits per second, while downloads are shown in megabytes per second.

### [Cooking](https://www.numequo.com/conversion/cooking/)

Convert recipe volumes, ingredient weights and oven temperatures.

- [US cups to Milliliters Converter](https://www.numequo.com/conversion/cooking/cups-to-milliliters-converter/) - Convert us cups to milliliters. US recipes use cups for liquids and dry ingredients; milliliters provide a volume for a measuring jug.
- [Milliliters to US cups Converter](https://www.numequo.com/conversion/cooking/milliliters-to-cups-converter/) - Convert milliliters to us cups. US recipes use cups for liquids and dry ingredients; milliliters provide a volume for a measuring jug.
- [US tablespoons to Milliliters Converter](https://www.numequo.com/conversion/cooking/tablespoons-to-milliliters-converter/) - Convert us tablespoons to milliliters. Tablespoons appear in recipes and kitchen measures where a small liquid volume is needed.
- [Milliliters to US tablespoons Converter](https://www.numequo.com/conversion/cooking/milliliters-to-tablespoons-converter/) - Convert milliliters to us tablespoons. Tablespoons appear in recipes and kitchen measures where a small liquid volume is needed.
- [Oven temperature in Celsius to Oven temperature in Fahrenheit Converter](https://www.numequo.com/conversion/cooking/oven-celsius-to-fahrenheit-converter/) - Convert oven temperature in celsius to oven temperature in fahrenheit. Convert oven settings when following a recipe written for a kitchen in another country.
- [Oven temperature in Fahrenheit to Oven temperature in Celsius Converter](https://www.numequo.com/conversion/cooking/oven-fahrenheit-to-celsius-converter/) - Convert oven temperature in fahrenheit to oven temperature in celsius. Convert oven settings when following a recipe written for a kitchen in another country.

### [Science and engineering](https://www.numequo.com/conversion/science-engineering/)

Convert force, density, flow, frequency, angle, torque and viscosity units.

- [Newtons to Pounds-force Converter](https://www.numequo.com/conversion/science-engineering/newtons-to-pound-force-converter/) - Convert newtons to pounds-force. Newton and pound-force values appear in engineering specifications and force-test results.
- [Pounds-force to Newtons Converter](https://www.numequo.com/conversion/science-engineering/pound-force-to-newtons-converter/) - Convert pounds-force to newtons. Newton and pound-force values appear in engineering specifications and force-test results.
- [Hertz to Revolutions per minute Converter](https://www.numequo.com/conversion/science-engineering/hertz-to-rpm-converter/) - Convert hertz to revolutions per minute. Convert rotational frequency for a motor or fan between cycles per second and revolutions per minute.
- [Revolutions per minute to Hertz Converter](https://www.numequo.com/conversion/science-engineering/rpm-to-hertz-converter/) - Convert revolutions per minute to hertz. Convert rotational frequency for a motor or fan between cycles per second and revolutions per minute.
- [Liters per minute to Cubic meters per hour Converter](https://www.numequo.com/conversion/science-engineering/liters-per-minute-to-cubic-meters-per-hour-converter/) - Convert liters per minute to cubic meters per hour. Compare pump, ventilation or water-flow specifications given in liters per minute and cubic meters per hour.
- [Cubic meters per hour to Liters per minute Converter](https://www.numequo.com/conversion/science-engineering/cubic-meters-per-hour-to-liters-per-minute-converter/) - Convert cubic meters per hour to liters per minute. Compare pump, ventilation or water-flow specifications given in liters per minute and cubic meters per hour.

## Unit converters for everyday and technical use

A reliable conversion starts with the right unit and the right level of precision. These converters cover everyday, technical and cooking measurements while keeping the original value visible.

Choose the direction that matches your source value, then use the precise-value option when a rounded display is not sufficient for your task.

### Tools to explore next

- [Meters to Feet Converter](https://www.numequo.com/conversion/length/meters-to-feet-converter/) - Convert meters to feet. Feet often describe a person's height, a room's dimensions or an aircraft's altitude.
- [Kilograms to Pounds Converter](https://www.numequo.com/conversion/mass/kilograms-to-pounds-converter/) - Convert kilograms to pounds. Pounds are common on luggage limits, shipping labels and body-weight scales in countries using imperial units.
- [Liters to US gallons Converter](https://www.numequo.com/conversion/volume/liters-to-gallons-converter/) - Convert liters to us gallons. Use this conversion for fuel tanks, containers and recipes that specify US gallons.
- [Celsius to Fahrenheit Converter](https://www.numequo.com/conversion/temperature/celsius-to-fahrenheit-converter/) - Convert celsius to fahrenheit. Use this conversion to read weather forecasts, body temperatures and appliance settings across countries.

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