Convert Pound-force to Kilogram-force
Convert Pound-force to Kilogram-force instantly. 1 Pound-force (lbf) equals 0.4536 Kilogram-force (kgf).
Pound-force to Kilogram-force conversion table
| Pound-force (lbf) | Kilogram-force (kgf) |
|---|---|
| 1 lbf | 0.4536 kgf |
| 2 lbf | 0.9072 kgf |
| 3 lbf | 1.3608 kgf |
| 5 lbf | 2.268 kgf |
| 10 lbf | 4.5359 kgf |
| 20 lbf | 9.0718 kgf |
| 50 lbf | 22.6796 kgf |
| 100 lbf | 45.3592 kgf |
| 500 lbf | 226.7962 kgf |
| 1,000 lbf | 453.5924 kgf |
1 Pound-force = 0.4536 Kilogram-force · multiply Pound-force by 0.4536
About converting Pound-force to Kilogram-force
Pound-force (lbf) and Kilogram-force (kgf) are both units of force, so converting between them is a single multiplication: multiply your Pound-force figure by 0.4536. Ten Pound-force comes to 4.5359 Kilogram-force, and a hundred works out at 45.3592 Kilogram-force.
Rule of thumb: going from Pound-force to Kilogram-force divides, so the figure always shrinks — it takes about 2.2046 Pound-force to make a single Kilogram-force. If your answer came out bigger, you have the conversion the wrong way round.
What is a Pound-force?
The pound-force exists to solve a problem the pound created. In everyday American use "pounds" means weight — but weight is a force, while the pound is also a unit of mass, and the two cannot be the same thing. The pound-force is defined as the force standard gravity exerts on one pound of mass, which makes the numbers agree on Earth and hides the distinction until it matters. When it does matter it matters badly: confusing lbm with lbf has caused real and expensive engineering errors, and the unit invented to keep the equations honest — the slug — is awkward enough to be a fair summary of why engineers prefer SI.
What is a Kilogram-force?
The kilogram-force, also called the kilopond, is the force standard gravity exerts on one kilogram — the metric world’s version of the idea the pound-force serves, and deprecated for exactly the same reason: it quietly blurs mass into force. It has not vanished, though. Older European machinery is labelled in kgf or kp, spring balances and torque tools still carry the scale, and it lingers in medical and industrial settings where a pull or a grip strength expressed in familiar "kilos" means more to the person reading the dial than a number of newtons would.
To put both in perspective: a laptop sitting on a desk presses down with about 3 pound-force, while lifting a 10 kg suitcase takes about 10 kilogram-force.
The converter above updates as you type, and the table lists common values for quick reference. Need the opposite direction? Use the Kilogram-force to Pound-force converter, or browse all Force converters.
Frequently asked questions
How many Kilogram-force are in one Pound-force?
There are 0.4536 Kilogram-force in one Pound-force.
How do I convert Pound-force to Kilogram-force?
Multiply the number of Pound-force by 0.4536. For example, 10 Pound-force = 4.5359 Kilogram-force.
What is 100 Pound-force in Kilogram-force?
100 Pound-force is equal to 45.3592 Kilogram-force.
How do I convert Kilogram-force to Pound-force?
Multiply the Kilogram-force value by 2.2046 (or divide by 0.4536).
Is this Pound-force to Kilogram-force conversion exact?
The definition is exact — Pound-force and Kilogram-force are both fixed against the same base by international agreement — but the decimal shown here is rounded for readability, because the true ratio does not terminate. For engineering or scientific work, carry more decimal places than this page displays.
What is a Pound-force?
The pound-force exists to solve a problem the pound created. In everyday American use "pounds" means weight — but weight is a force, while the pound is also a unit of mass, and the two cannot be the same thing. The pound-force is defined as the force standard gravity exerts on one pound of mass, which makes the numbers agree on Earth and hides the distinction until it matters. When it does matter it matters badly: confusing lbm with lbf has caused real and expensive engineering errors, and the unit invented to keep the equations honest — the slug — is awkward enough to be a fair summary of why engineers prefer SI.
What is a Kilogram-force?
The kilogram-force, also called the kilopond, is the force standard gravity exerts on one kilogram — the metric world’s version of the idea the pound-force serves, and deprecated for exactly the same reason: it quietly blurs mass into force. It has not vanished, though. Older European machinery is labelled in kgf or kp, spring balances and torque tools still carry the scale, and it lingers in medical and industrial settings where a pull or a grip strength expressed in familiar "kilos" means more to the person reading the dial than a number of newtons would.