Metric vs Imperial

Length and weight units from both systems, compared side by side.

Length

MetricImperial
1 millimeter (mm)0.03937 inches
1 centimeter (cm)0.393701 inches
1 meter (m)3.28084 feet
1 meter (m)1.093613 yards
1 kilometer (km)0.621371 miles

Weight

MetricImperial
1 gram (g)0.035274 ounces
1 kilogram (kg)2.204624 pounds
1 kilogram (kg)0.157473 stone
1 tonne (t)2,204.62442 pounds

Frequently asked questions

Is a kilogram heavier than a pound?
Yes. 1 kilogram is about 2.204624 pounds, so a kilogram is more than twice as heavy as a pound.
How many inches are in a centimeter?
1 centimeter is about 0.393701 inches.
Which countries use imperial units?
The United States uses imperial/US customary units (inches, feet, miles, pounds) for everyday measurement. Most other countries, including the UK to varying degrees, use the metric system (meters, kilometers, kilograms).

Need to convert a specific value? Try the length or weight converters.