Free Unit Converter Tools

18 free converters for length, weight, temperature, currency, data size, cooking measurements, and more -- accurate standard formulas, no signup.

18 Tools 100% Free No Signup Browser-Side Processing

All 18 Tools

Length Converter
FREE
Weight Converter
FREE
Temperature Converter
FREE
Speed Converter
FREE
Area Converter
FREE
Volume Converter
FREE
Pressure Converter
FREE
Energy Converter
FREE
Data Size Converter
FREE
Currency Converter
FREE
Number Base Converter
FREE
Cooking Measurement Converter
FREE
Clothing Size Converter
FREE
Fuel Efficiency Converter
FREE
Roman Numeral Converter
FREE
Scientific Notation Converter
FREE
Time Zone Converter
FREE

Free Unit Converter Tools — Accurate Standard Formulas

18 free converters covering everyday measurement needs -- metric and imperial length, weight, temperature, area, volume, pressure, and energy, plus currency (real live ECB rates), data storage, cooking measurements, clothing sizes, and time zones. Each uses exact standard conversion factors, not approximations.