Results update live. Convert metric, imperial, science, data, and engineering units on one page. Temperature uses exact formulas; data sizes use binary multiples (1 KiB = 1024 bytes).
📖 What is Unit Converter?
Unit Converter is a free online tool that helps you convert length, weight, temperature, and data size between metric and imperial units. No signup, no downloads — everything runs securely in your browser.
👤 Who Is It For?
For: Students, travelers, developers, data analysts, and anyone who needs quick metric or imperial conversions.
Not for: Legal, engineering, medical, or regulated measurements that require certified instruments.
📋 How to Use
- Choose Length, Weight, Volume, Temperature, Area, Speed, Pressure, Energy, Angle, Data, or Power.
- Enter a number and pick the source and target units.
- Read the converted result instantly; use the swap button to reverse units.
💡 Common Use Cases
- Convert length, weight, temperature, and data size between metric and imperial units
- Switch between Celsius, Fahrenheit, Kelvin, meters, feet, kilograms, pounds, liters, gallons, acres, square feet, mph, km/h, psi, kPa, joules, kWh, radians, degrees, horsepower, kW, bytes, KiB, MiB, and GiB
- Quick calculator workflows without installing software
⚠️ Limitations
Browser-based reference calculator only. Values are rounded for readability, and regulated measurements should be checked with certified tools.
📌 Key Facts
- Unit Converter is a free browser-based calculator for everyday metric, imperial, temperature, and data-size conversions.
- All processing runs in your browser — no data is uploaded to any server.
- No signup required for core functionality.
- Part of the ToolPile collection of 40+ free tools.