Quick example
Convert 1 kilogram to pounds
Divide 1 kilogram by the exact mass of a pound, 0.45359237 kilogram. The result is approximately 2.20462 pounds, or about 35.274 ounces.
Quick reference
Common weight conversions
| Starting weight | Equivalent |
|---|---|
| 1 ounce | 28.349523125 grams |
| 1 pound | 0.45359237 kilogram |
| 1 kilogram | 2.20462 pounds |
| 1 stone | 14 pounds |
| 1 metric tonne | 1,000 kilograms |
| 1 US short ton | 2,000 pounds |
| 1 imperial long ton | 2,240 pounds |
Unit systems
Metric, avoirdupois, stone, and tons
Metric units
Micrograms through metric tonnes scale by powers of ten around the gram and kilogram.
Ounces and pounds
This converter uses avoirdupois units: 16 ounces make one pound, and one pound is exactly 0.45359237 kilogram.
Stone
One stone equals exactly 14 avoirdupois pounds and is commonly used for body weight in the United Kingdom and Ireland.
Three ton units
A metric tonne is 1,000 kilograms, a US short ton is 2,000 pounds, and an imperial long ton is 2,240 pounds.
Terminology and precision
Mass units commonly called weight
Kilograms and pounds measure mass, though everyday language usually calls the quantity weight. This converter changes mass units and does not calculate gravitational force. It uses defined conversion factors and rounds displayed results to 12 significant digits; very small or large values use scientific notation.
Common questions
Weight conversion FAQ
How many pounds are in a kilogram?
One kilogram equals approximately 2.20462 pounds.
How do I convert pounds to kilograms?
Multiply pounds by exactly 0.45359237. For example, 10 pounds equals 4.5359237 kilograms.
How many pounds are in a stone?
One stone equals exactly 14 pounds.
Are metric tonnes, US tons, and imperial tons the same?
No. A metric tonne is 1,000 kilograms, a US short ton is 2,000 pounds, and an imperial long ton is 2,240 pounds.
Does this tool convert mass or gravitational force?
It converts mass units commonly described as weight. It does not calculate gravitational force in newtons.