Instant Results
Real-time as you type
High Precision
Up to 10 significant figures
8 Categories
Length, Weight, Temp & more
100% Free
No registration required
Complete Guide to Unit Conversion
Our unit converter supports 8 categories with dozens of units, all based on internationally recognized SI standards. Results update in real-time as you type.
Supported Categories
- Length — meters, feet, inches, miles, km, cm, mm, yards, nautical miles
- Weight — kilograms, pounds, ounces, grams, tons, stones
- Temperature — Celsius, Fahrenheit, Kelvin
- Area — sq meters, sq feet, acres, hectares, sq miles
- Volume — liters, gallons, cups, pints, quarts, fluid ounces, ml
- Speed — km/h, mph, m/s, knots, Mach
- Time — seconds, minutes, hours, days, weeks, months, years
- Data — bytes, KB, MB, GB, TB, bits
How to Use
- Select a category from the tabs above
- Choose From and To units from the dropdowns
- Enter a value — result appears instantly
- Use the ⇄ swap button to reverse the conversion
- Click any Quick Conversion to load it instantly
Temperature Note
Temperature conversions use formulas rather than simple multiplication. °C to °F = (°C × 9/5) + 32. °C to Kelvin = °C + 273.15. The converter handles these automatically.
Frequently Asked Questions
Select a category tab, choose From and To units, enter a value, and the result appears instantly. Use the swap button to reverse the conversion direction.
All conversions use precise formulas based on international SI standards. Results display up to 10 significant figures for maximum accuracy.
Temperature scales have different zero points so they require formulas, not just multiplication. The converter handles Celsius, Fahrenheit, and Kelvin automatically.
Yes, 100% free with no registration, no limits, and no data stored.