Convert pounds to stones

1 lb=0.07143st

Use the converter below to change any pounds value into stones instantly — with formula, conversion table, and real-world examples.

You have

Equals

0.071429

Conversion formula

Forward

stones = pounds × 0.07143

Reverse

pounds = stones × 14

Example: 10 lb × 0.07143 = 0.7143 st.

About both units

From

Pound

The pound equals 453.59237 grams exactly since 1959. It is the standard weight unit in the United States and widely used in the UK alongside kilograms. Adult body weight in the US is quoted in pounds (130–200 lb typical range). Boxing heavyweight division is above 200 lb.

Real-world: An average adult is 130–200 lb. US airline luggage allowance is usually 50 lb (22.7 kg). A gallon of milk weighs about 8.6 lb.

Read full pound reference →

Stone

The stone equals 14 pounds or 6.35 kilograms. It is used almost exclusively in the UK and Ireland to express human body weight. A 70 kg person is described as "11 stone" in British English. The stone is not used in trade, science or any other context.

Real-world: A 70 kg adult is about 11 stone. A British NHS weight chart marks stones alongside kg. A heavyweight boxer over 14 stone is typical.

Read full stone reference →

Pound to Stone conversion table

Common pounds to stones values for quick reference.

Pound (lb)	Stone (st)
1 lb	0.07143 st
5 lb	0.3571 st
10 lb	0.7143 st
25 lb	1.78571 st
50 lb	3.57143 st
100 lb	7.14286 st
250 lb	17.8571 st
500 lb	35.7143 st
1,000 lb	71.4286 st
5,000 lb	357.143 st

Tips & common mistakes

Quick tips

1 lb ≈ 453.6 g ≈ ½ kg. For mental conversion: kg = lb / 2.2.
1 lb = 16 oz exactly. American recipes often mix pounds and ounces.
UK shop labels often show kg and lb together; US labels are pounds only.

Avoid these

Using 2 instead of 2.205 when converting lb to kg — a 10% error on airline luggage.
Confusing mass pounds (lb) with pound-force (lbf) in engineering.
Assuming a British and American pound are different — they are identical (0.45359237 kg).

Frequently asked questions

How many stones in a pound?

One pound equals 0.07143 stones.

How do I convert pounds to stones?

Multiply the pound value by 0.07143 to get the equivalent in stones.

What is 100 pounds in stones?

100 pounds equals 7.14286 stones.

Is a pound bigger than a stone?

No. 1 pound equals 0.07143 stones, so one pound is smaller.

How to convert pounds to stones without a calculator?

Multiply by 0.07 for a quick estimate; use a calculator for precise results.

Related weight conversions

📊 See full comparison matrix →

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