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How to Convert Weight
Convert a mass value between metric and imperial units using precise defined factors.
Enter your weight
Enter the mass value, such as 70, in the Value field.
Choose the units
Select the source unit in From and the unit you want to see in To.
Read the conversion
Review the highlighted result and compare the same value across all supported mass units.
Frequently Asked Questions
How many pounds are in a kilogram?
One kilogram is approximately 2.204622622 pounds.
How many pounds are in a stone?
One stone is exactly 14 pounds, or approximately 6.35029318 kilograms.
Are metric tonnes and US tons the same?
No. A metric tonne is exactly 1,000 kilograms; a US short ton is about 907.185 kilograms.
How many grams are in a kilogram?
One kilogram contains exactly 1,000 grams.
How many ounces are in a pound?
One international avoirdupois pound contains exactly 16 ounces.
What is the base unit for this converter?
This converter uses the kilogram as its canonical base unit.
Is weight the same as mass?
Technically, mass is the amount of matter and weight is the force gravity applies to it; everyday usage often treats them as interchangeable.