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Lbs to Stone Converter (Pounds to Stone)

1 pound = 0.07142857143 stone. To convert lb to st, multiply by 0.07142857143, or divide by 14.

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100 lb = 7.143 st

1 lb
0.07143 st
1 st
14 lb
10 lb
0.7143 st
100 lb
7.1429 st

How to convert lbs to Stone

1 pound equals 0.07142857143 stone, so the conversion is a single multiplication.

st = lb × 0.07142857143

Example: 150 lb × 0.07142857143 = 10.714 st.

About the pound and the stone

Pound (lb)

The pound used in the US is the international avoirdupois pound, fixed in 1959 at exactly 0.45359237 kg. Its “lb” symbol comes from the Roman libra. It's the everyday unit for body weight, groceries and shipping in the US.

Stone (st)

The stone is 14 pounds (about 6.35 kg). It's still used for body weight in the UK and Ireland.

1 pound in every weight unit

Kilograms0.4536 kgGrams453.592 gOunces16 ozStone0.07143 st
Milligrams453,592.37 mg
Metric Tons0.0004536 tShort Tons (US)0.0005 ton
Long Tons (UK)0.0004464 LT
Carats2,267.962 ct
Grains7,000 gr
Troy Ounces14.583 oz t
Troy Pounds1.215 lb t
Pennyweights291.667 dwt
Micrograms453,592,370 µg
Slugs0.03108 slug
Hundredweight (US)0.01 US cwt
Hundredweight (UK)0.008929 UK cwt

Quick answers

lbs to Stone FAQ

How many stone are in a pound?

1 pound = 0.07142857143 stone.

How many pounds are in a stone?

1 stone = 14 pounds.

How do I convert lb to st?

Use st = lb × 0.07142857143. For example, 10 lb = 0.7143 st.

Can I print this lbs to Stone chart?

Yes. Use "Print / Save PDF" next to the converter for a one-page chart, or "Download CSV" to open it in Excel or Google Sheets.