Free Unit Converter
Convert between different measurement units instantly.
Unit Converter
Conversion Categories
Length Converter
Conversion Results
Quick Conversions
Common Unit Conversions
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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).
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Historical & Modern Units
Convert between modern metric units, traditional Imperial units, and even some historical measurements.