Lbs to Stone Converter: Pounds to Stones Calculator
Convert pounds to stone instantly, see the traditional stone and pounds breakdown, and check the kilogram equivalent. Works both ways: stone to pounds too.
Pounds to stone converter
The lbs to stone formula is stone = lbs / 14. This free lbs to stone calculator updates live as you type, with full working shown.
10.7143 stone
Breakdown: 10 stone 10 pounds
Also equals: 150 lb · 68.0389 kg
Lbs to stone quick chart
Common body-weight values, pounds to stone with the traditional breakdown. Wondering how many stone is 150 lbs? It is 10.7143 stone, or 10 stone 10 pounds.
| Pounds (lb) | Stone | Stone + pounds |
|---|---|---|
| 100 lb | 7.1429 | 7 st 2 lb |
| 110 lb | 7.8571 | 7 st 12 lb |
| 120 lb | 8.5714 | 8 st 8 lb |
| 130 lb | 9.2857 | 9 st 4 lb |
| 140 lb | 10 | 10 st 0 lb |
| 150 lb | 10.7143 | 10 st 10 lb |
| 160 lb | 11.4286 | 11 st 6 lb |
| 170 lb | 12.1429 | 12 st 2 lb |
| 180 lb | 12.8571 | 12 st 12 lb |
| 190 lb | 13.5714 | 13 st 8 lb |
| 200 lb | 14.2857 | 14 st 4 lb |
| 210 lb | 15 | 15 st 0 lb |
| 220 lb | 15.7143 | 15 st 10 lb |
Worked examples
Example 1: 150 lbs to stone
- Use the exact formula:
stone = 150 / 14 150 / 14 = 10.7142857, so 150 lbs = 10.7143 stone- Break it down: 10 whole stone, remainder
0.7142857 x 14 = 10.0 lb, so 10 stone 10 pounds - Metric check:
150 x 0.45359237 = 68.0388555 kg
Example 2: 200 lbs to stone
stone = 200 / 14200 / 14 = 14.2857143, so 200 lbs = 14.2857 stone- Breakdown: 14 whole stone, remainder
0.2857143 x 14 = 4.0 lb, so 14 stone 4 pounds - Metric check:
200 x 0.45359237 = 90.718474 kg
Example 3: convert stone to lbs (reverse)
- To convert stone to lbs, start from 11 stone 7 lb
pounds = (11 x 14) + 7 = 154 + 7 = 161 lb- As a decimal stone value:
161 / 14 = 11.5 stone
Stone weight in the UK
The stone is the everyday unit for human body weight in the UK and Ireland. A person who weighs 154 pounds says they are 11 stone, and 175 pounds is 12 stone 7 pounds.
This UK weight stone page works in both directions: pounds to stone and stone to pounds. Starting from kilograms instead? The companion kg to stones converter takes kg as its primary input; this page converts from pounds.
Frequently asked questions
What is the formula to convert lbs to stone?
Divide pounds by 14. The formula is stone = lbs / 14, because one stone is exactly 14 pounds. For example, 150 / 14 = 10.7143 stone, which reads as 10 stone 10 pounds.
How many pounds are in a stone?
Exactly 14 pounds. The stone is defined as 14 avoirdupois pounds, so 1 stone = 14 lb, 2 stone = 28 lb, and 10 stone = 140 lb.
How do I convert 150 lbs to stone?
150 lbs = 10.7143 stone. Divide 150 by 14 to get 10.7142857, which breaks down to 10 whole stone plus a remainder of 10.0 pounds, so 150 lbs is 10 stone 10 pounds. In metric that is 68.0388555 kg.
How much is 200 lbs in stone?
200 lbs = 14.2857 stone. Dividing 200 by 14 gives 14.2857143, which is 14 whole stone with 4.0 pounds remaining, so 200 lbs is 14 stone 4 pounds (90.718474 kg).
How do I convert stone back to pounds?
Multiply stone by 14. The reverse formula is pounds = stone x 14. For example, 10 stone x 14 = 140 pounds, and 12.5 stone x 14 = 175 pounds.
What is 1 lb in stone?
1 lb = 0.0714285714 stone. Since a stone is 14 pounds, one pound is the fraction 1/14 of a stone, which is the repeating decimal 0.0714285714.
What is 1 stone in kilograms?
1 stone = 6.35029318 kg exactly. Because 1 stone = 14 lb and 1 lb = 0.45359237 kg, multiplying gives 14 x 0.45359237 = 6.35029318 kg. As a check, 150 lbs = 68.0388555 kg, and 68.0388555 / 6.35029318 = 10.7143 stone.
Why does the UK use stone for weight?
The stone is the traditional UK unit for human body weight, still used in everyday conversation across the UK and Ireland. Someone might say they weigh 11 stone instead of 154 pounds or 69.85 kg. Official, medical, and scientific contexts in the UK now use kilograms, but stone remains the cultural default for body weight.
Is a stone exactly 14 pounds?
Yes. The modern stone is defined as exactly 14 avoirdupois pounds. Older regional stones varied historically, but the 14-pound stone has been the legal standard in the UK for centuries and is the only definition this calculator uses.
How do I read a result like 10 stone 10 pounds?
It means 10 full stones plus 10 extra pounds, for a total of 150 pounds (10 x 14 + 10 = 150). The stone and pounds breakdown is the traditional way body weight is spoken in the UK, just like feet and inches for height.
What is 175 lbs in stone?
175 lbs = 12.5 stone exactly. Dividing 175 by 14 gives 12.5, which is 12 whole stone plus 7.0 pounds, so 175 lbs is 12 stone 7 pounds.
Can this calculator convert kilograms too?
Yes. Choose kilograms as the input unit and the tool converts through pounds using the exact factor 1 lb = 0.45359237 kg. For example, 68.0388555 kg converts to 150 lbs, which is 10.7143 stone.
What is the difference between this and the kg-to-stones converter?
This calculator converts from pounds: its primary input is lbs and it answers how many stone is X lbs. The kg-to-stones converter starts from kilograms instead. Both use the same exact definitions (1 stone = 14 lb, 1 lb = 0.45359237 kg) and agree on every value.
Why does my remainder show 0 pounds?
Because the pounds divide evenly into whole stones. For example, 154 lbs / 14 = 11 stone exactly, so the remainder is 0 pounds. If a remainder rounds up to a full 14 pounds at your chosen precision, the tool carries it into the stone count instead of showing 14 pounds.
How do I convert ounces to stone?
Divide ounces by 224, because 16 ounces = 1 pound and 14 pounds = 1 stone, so 16 x 14 = 224 ounces per stone. For example, 2240 oz / 224 = 10 stone exactly.
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