Which unit categories are available?

Length, weight/mass, temperature, area, volume, speed and data size (file size) — each with its own detailed sub-page.

How accurate are the conversions?

All conversions use international standard factors. Non-linear units like temperature are computed with their proper formulas (e.g. °C ↔ °F).

Is my data sent to a server?

No. Everything is calculated in your browser; the values you enter never leave your device.

Unit Converter

Convert between length, weight, temperature, area, volume, speed and data-size units in seconds. Pick a category, enter a value and get the result plus a full conversion table instantly.

FromTo

1,000

All conversions — 1 km

Meter (m)1,000

Centimeter (cm)100,000

Millimeter (mm)1,000,000

Mile (mi)0.6214

Yard (yd)1,093.6133

Foot (ft)3,280.8399

Inch (in)39,370.0787

Nautical mile (nmi)0.54

All Unit Converters

Length ConverterConvert meters, kilometers, miles, inches, feet and more.Weight ConverterConvert kilograms, grams, tonnes, pounds and ounces.Temperature ConverterConvert between Celsius, Fahrenheit and Kelvin.Area ConverterConvert square meters, hectares, acres and more.Volume ConverterConvert liters, milliliters, cubic meters, gallons and cups.Speed ConverterConvert km/h, m/s, mph, knots and ft/s.Data Storage ConverterConvert between bytes, KB, MB, GB and TB.Power ConverterConvert between watts, kilowatts and horsepower (hp/PS).Pressure ConverterConvert between bar, pascal, atm, psi and mmHg.Energy ConverterConvert between joules, calories, watt-hours and kWh.Angle ConverterConvert between degrees, radians, gradians and turns.

About

A unit converter brings together the measurement conversions you need every day — at school, in the kitchen, while travelling and at work. Convert meters to kilometers, kilograms to pounds, Celsius to Fahrenheit, square meters to acres or km/h to mph without reaching for separate tools.

Each category covers every unit in that measurement family and shows a full conversion table from your chosen source unit to all the others. Every calculation runs instantly in your browser; your data is never sent to a server.

How to use

Choose a measurement category from the tabs (length, weight, temperature, etc.).
Enter the value you want to convert and pick the source and target units.
The result appears instantly, with every other unit listed in the table below.

Frequently Asked Questions

Which unit categories are available?: Length, weight/mass, temperature, area, volume, speed and data size (file size) — each with its own detailed sub-page.
How accurate are the conversions?: All conversions use international standard factors. Non-linear units like temperature are computed with their proper formulas (e.g. °C ↔ °F).
Is my data sent to a server?: No. Everything is calculated in your browser; the values you enter never leave your device.

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