Free Unit Converter

Convert between different measurement units instantly. Length, weight, temperature, area, volume, and more. Accurate, easy to use, and 100% free.

Unit Converter

Conversion Categories

Length Converter

Conversion Results

Quick Conversions

Common Unit Conversions

From To Multiply By Example

Measurement Systems

Metric System

Used worldwide, based on meters, grams, liters. Uses decimal multiples (kilo, centi, milli).

Imperial System

Used in the US, based on inches, feet, pounds, gallons. Uses fractions and specific units.

British Imperial

Traditional UK system, similar to Imperial but with some differences in volume measures.

Temperature Scales

Celsius (metric), Fahrenheit (Imperial), and Kelvin (scientific temperature scales).

Why Use Our Unit Converter?

Instant Conversions

Get accurate unit conversions in milliseconds. No waiting, no delays, just instant results.

Multiple Categories

Convert length, weight, temperature, area, volume, speed, time, and digital storage with one tool.

display: block;

No Registration Required

Use all features immediately without creating an account. Completely free with no limitations.

Mobile Friendly

Works perfectly on all devices - desktop, tablet, and mobile phones. Use it anywhere, anytime.

100% Secure & Private

All conversions happen in your browser. No data is sent to servers, ensuring complete privacy.

Historical & Modern Units

Convert between modern metric units, traditional Imperial units, and even some historical measurements.

More Useful Tools

Converters

Calculators

Other Tools

Conversion complete!