Unit Converters
Convert between any units of measurement
Unit conversion tools for length, weight, temperature, volume, speed, and more. Fast, accurate converters that work on any device with no installation required.
18 tools available
Unit Converter
Convert between units of length, weight, temperature, volume, area, speed, and more.
Temperature Converter
Convert temperatures between Celsius, Fahrenheit, and Kelvin instantly.
Length Converter
Convert lengths between meters, feet, inches, miles, kilometers, and more.
Weight Converter
Convert weights between kilograms, pounds, ounces, grams, stones, and more.
Speed Converter
Convert speeds between km/h, mph, m/s, knots, and more. Perfect for travel and physics.
Data Storage Converter
Convert data storage units: bytes, KB, MB, GB, TB, and more. For files, drives, and memory.
Area Converter
Convert between square meters, acres, hectares and more.
Volume Converter
Convert between liters, gallons, cups and more.
Time Converter
Convert between seconds, minutes, hours, days and more.
Pressure Converter
Convert between PSI, bar, pascal, and atmosphere.
Energy Converter
Convert between joules, calories, BTU, kWh and more.
Power Converter
Convert between watts, horsepower, kilowatts and more.
Fuel Efficiency Converter
Convert between MPG, L/100km, km/L and more.
Angle Converter
Convert between degrees, radians, and gradians.
Frequency Converter
Convert between Hz, kHz, MHz, GHz and more.
Cooking Converter
Convert between cups, tablespoons, teaspoons, ml and more.
Shoe Size Converter
Convert shoe sizes between US, UK, EU, and CM.
Clothing Size Converter
Convert clothing sizes between US, UK, EU, and Asian sizes.
Most Popular Unit Converters
Unit conversion tools for length, weight, temperature, volume, speed, and more. Fast, accurate converters that work on any device with no installation required.
How to Use Unit Converters
Using ToolHQ's unit converters is simple — no registration or software installation required. Just open the tool, upload your file or enter your input, and get results instantly. All tools are free to use with no limits.
Frequently Asked Questions
Are these unit converters free?
Yes, all unit converters on ToolHQ are completely free with no registration required.
Do I need to install any software?
No installation needed. All tools run directly in your browser.
Are my files safe?
Most tools process files locally in your browser. For server-side tools, files are deleted immediately after processing.