About Unit Converter
Free online unit converter. Convert between length (meters, feet, inches, miles, km), weight (kg, lbs, oz, stone), temperature (Celsius, Fahrenheit, Kelvin), area (m², ft², acres, hectares), and speed (km/h, mph, m/s) instantly. Supports both metric and imperial units with real-time conversion.
How to Use Unit Converter
- Select a category: Length, Weight, Temperature, Area, or Speed.
- Enter a value in any unit field on the left.
- All equivalent values in other units update in real time.
- Click any output field to copy that value directly.
Frequently Asked Questions
- How do I convert Celsius to Fahrenheit?
- Use the formula: °F = (°C × 9/5) + 32. For example, 100°C = 212°F. To convert Fahrenheit to Celsius: °C = (°F − 32) × 5/9.
- How many centimeters are in an inch?
- 1 inch = 2.54 centimeters exactly. So 1 cm ≈ 0.3937 inches.
- How many kilograms are in a pound?
- 1 pound = 0.45359237 kilograms. So 1 kg ≈ 2.2046 pounds.
- How do I convert miles to kilometers?
- 1 mile = 1.60934 kilometers. To convert miles to km, multiply by 1.60934. To convert km to miles, multiply by 0.62137.