100 lb in stone and pounds
100 lb is 7 stone 2 pounds. That is also 7.143 stone, or 45.359 kilograms.
Factors from their legal definitions.
Result
100 pounds is 7 stone 2 pounds, or 7.143 stone.
| In stone | 7.143 st |
|---|---|
| In pounds | 100 lb |
| One pound | 0.07143 st |
| One stone | 14 lb |
Show the workings
| Step | Sum | Answer |
|---|---|---|
| One pound in kilograms | 0.45359237 kg | 0.454 kg |
| One stone in kilograms | 14 × 0.45359237 kg | 6.35 kg |
| 100 pounds in kilograms | 100 × 0.4536 | 45.359 kg |
| In stone | 45.359 ÷ 6.35 | 7.143 st |
Where the figures come from
- A pound in kilograms: 0.454 kg per pound. Source: Weights and Measures Act 1985, Schedule 1. Checked 13 November 2026.
- Pounds in a stone: 14 pounds per stone. Source: Weights and Measures Act 1985, Schedule 1. Checked 13 November 2026.
Nearby values
| Pounds | Stone and pounds |
|---|---|
| 100 lb | 7 st 2 lb |
| 105 lb | 7 st 7 lb |
| 110 lb | 7 st 12 lb |
| 115 lb | 8 st 3 lb |
| 120 lb | 8 st 8 lb |
| 125 lb | 8 st 13 lb |
How it works
To convert pounds to stone, divide by 14. Then take the whole stone, and multiply what is left by 14 for the pounds. Open "Show the workings" above to see this sum step by step.