Convert between different units of measurement for length, weight, temperature, area, volume, speed, time, and data. Professional conversion tool with accurate calculations.
Your unit conversion result
Converted value
Standard conversion formula
Our free tool delivers fast, accurate results with no signup, no watermarks, and complete privacy — trusted by thousands of users every day.
m, km, ft, mi, in, cm, yd, and more.
kg, g, lb, oz, stone, and more.
Celsius, Fahrenheit, Kelvin.
L, mL, gallons, cups, fl oz, pints, and more.
km/h, mph, m/s, knots.
m², km², ft², acres, hectares, and more.
Select Unit Category — Choose from Length, Weight, Temperature, Volume, Speed, or Area.
Enter Value — Type the value you want to convert.
Choose Units — Select source and target units — result shown instantly.
Understanding when and why to use this tool helps you get the best results for your specific use case.
| Category | Units Included |
|---|---|
| Length | mm, cm, m, km, in, ft, yd, mi |
| Weight | mg, g, kg, oz, lb, stone, ton |
| Temperature | °C, °F, K |
| Volume | mL, L, fl oz, cup, pint, quart, gallon |
| Speed | m/s, km/h, mph, knots |
| Area | cm², m², km², in², ft², acre, ha |
°F = (°C × 9/5) + 32. For example, 100°C = 212°F. Our converter handles all temperature conversions instantly.
1 pound (lb) = 0.453592 kg. Conversely, 1 kg = 2.20462 lbs. Our weight converter handles any value instantly.