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Unit converter

Length, weight, temperature

EXAMPLE
10 meters converts to about 32.81 feet.
Enter a value to convert.
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How this calculator works

Converting between metric and imperial units — length, weight, or temperature — means multiplying by a conversion factor that is easy to mix up. This calculator handles the conversion across the most commonly needed units.

THE MATH BEHIND IT
Length / weight: convert to a common base unit, then to the target unit
Temperature: uses the specific Celsius/Fahrenheit/Kelvin formulas

A real example

Converting 10 meters to feet:

Result 10 × 3.28084 =32.81 feet

Common questions

This is largely historical — the US adopted imperial measurements early on and never fully switched over, while most other countries standardized on metric in the 20th century. Both systems remain in everyday use in the US.
Technically mass, not weight — weight is a measure of gravitational force. In everyday conversation and in conversions like this one, the two terms are used interchangeably.
Celsius, Fahrenheit, and Kelvin each start counting from a different zero point, so converting between them requires addition or subtraction as well as multiplication — not just a straight ratio like length or weight.