Converter

Unit Converter

Convert common length, weight and temperature measurements.

Convert measurements quickly

Choose a category and convert between supported metric and imperial units without doing the arithmetic manually.

How to use it

Select length, weight or temperature.
Enter a value and choose the source and target units.
Select Convert.

Formulas

Length or weight: value × source factor ÷ target factor
°F = (°C × 9 ÷ 5) + 32
K = °C + 273.15

Example

100 centimetres converts to 1 metre. 100°C converts to 212°F or 373.15 K.

Notes and limitations

Displayed values are rounded to two decimal places. Negative weights and temperatures below absolute zero are rejected. Use calibrated instruments for scientific or safety-critical work.

Frequently asked questions

Which units are supported?

Common length and weight units plus Celsius, Fahrenheit and Kelvin.

Can temperature be below absolute zero?

No. Physically impossible inputs are rejected.

How are results rounded?

Values are rounded to two decimal places for display.