What decimal separator can I use?

Both comma and dot are accepted (e.g. 1,5 or 1.5).

Values are rounded to six digits — accurate enough for everyday measurement.

Can more units be added?

The five most common categories are supported; categories can be extended on request.

Unit Converter

Calculation

Convert between length, weight, volume, area and temperature units with instant results. Free, accurate and fully client-side.

Speed converter

Value

From

equals 1 km/h=0.6214 mph

Conversions happen instantly in your browser. Temperature uses exact formulas; all other units use standard conversion factors with up to 4 decimal places.

What is a Unit Converter?

A Unit Converter moves measurements between units for length, weight, volume, area and temperature. From centimeters to inches, kilograms to pounds, Celsius to Fahrenheit — hundreds of everyday conversions on one screen, useful for recipes, math homework, engineering and shopping.

Which conversions are supported?

Length: millimeter, centimeter, meter, kilometer, inch, foot, yard, mile.
Weight: milligram, gram, kilogram, ton, ounce, pound.
Volume: milliliter, centiliter, deciliter, liter, cubic meter, US gallon.
Area: square millimeter/centimeter/meter, hectare, square kilometer, acre.
Temperature: Celsius, Fahrenheit, Kelvin.

Is my data safe?

Yes. All conversions run in your browser; your values are never sent or stored. Free and account free.

Frequently Asked Questions

What decimal separator can I use?
Both comma and dot are accepted (e.g. 1,5 or 1.5).
Are results rounded?
Values are rounded to six digits — accurate enough for everyday measurement.
Can more units be added?
The five most common categories are supported; categories can be extended on request.

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