Metric to Imperial Unit Converter
Switch between common metric and imperial measurements for length, weight and temperature. Results update as you type.
Common conversions
Length
1 inch = 2.54 cm
1 mile = 1.609344 km
Weight
1 pound = 0.45359237 kg
1 ounce = 28.349523125 g
Temperature
°F = (°C × 9/5) + 32
°C = (°F − 32) × 5/9
How to use the converter
1. Choose a measurement
Select length, weight or temperature, then choose the source and destination units.
2. Enter the known value
Type a number in the From field. The result and conversion equation update immediately.
3. Check sensible precision
Round the answer to the precision your task needs; a recipe and an engineering drawing may need different precision.
Worked examples and limits
Road distance
100 kilometers is about 62.137 miles because kilometers are divided by 1.609344.
Body weight
70 kilograms is about 154.324 pounds using 1 kilogram = 2.2046226218 pounds.
Temperature
20°C equals 68°F. Temperature uses an offset formula, not a simple multiplication factor.
Displayed values are rounded for readability. Unit definitions are standardized, but real measurements can still include instrument or input error.