Convert between metric and imperial units: length, weight, temperature, volume, area & more. Fast, accurate & free.
Select a category (Length, Weight, Temperature, Volume, or Area), choose your input and output units, enter a value, and see the conversion instantly. The converter supports both metric and imperial systems.
| Category | Units |
|---|---|
| 📏 Length | Millimeters, Centimeters, Meters, Kilometers, Inches, Feet, Yards, Miles |
| ⚖️ Weight | Milligrams, Grams, Kilograms, Metric Tons, Ounces, Pounds, Stones |
| 🌡️ Temperature | Celsius, Fahrenheit, Kelvin |
| 💧 Volume | Milliliters, Liters, Cubic Meters, Teaspoons, Tablespoons, Cups, Pints, Gallons |
| 📐 Area | Square Millimeters, Square Centimeters, Square Meters, Hectares, Square Kilometers, Square Inches, Square Feet, Acres |
Length: 1 mile = 1.609 kilometers | 1 foot = 30.48 centimeters | 1 inch = 2.54 centimeters
Weight: 1 pound = 0.454 kilograms | 1 ounce = 28.35 grams | 1 stone = 6.35 kilograms
Temperature: 0°C = 32°F (freezing) | 100°C = 212°F (boiling) | 37°C = 98.6°F (body temp)
Volume: 1 gallon = 3.785 liters | 1 cup = 236.6 milliliters | 1 liter = 33.8 fluid ounces
Area: 1 acre = 4047 square meters | 1 hectare = 10,000 square meters | 1 square mile = 2.59 square kilometers