Stones to kg Converter

11 st 0 lb in kilograms: 69.8532 kg
Pounds: 154 lb
Stones: 11 st
Grams: 69,853.2 g
Ounces: 2,464 oz
Tonnes: 0.0698532 tonnes
UK tons: 0.06875 UK tons
US tons: 0.077 US tons

What it does

Convert a weight between stones and pounds, kilograms and every other common unit. Enter it in whatever you have, such as 11 st 4 lb or 72 kg, and see it in all the others at once. Handy for body weight, luggage and recipes.

How to use it

Weight: The weight to convert. Choose its unit in the Units box: stones and pounds, kilograms, pounds, ounces and more.

Common uses

Converting your weight between stones and kilograms.
Checking luggage allowances given in kg or lb.
Working out your BMI. Try the BMI Calculator
Converting other measurements. Try the CM to Inches Converter

The formula

kg = total pounds × 0.45359237total pounds = stones × 14 + poundsstones = kg ÷ 6.35029318

Where:

1 stone: 14 pounds, about 6.35 kg
1 pound: exactly 0.45359237 kg, or 16 ounces
UK (long) ton: 2,240 lb, about 1,016 kg
US (short) ton: 2,000 lb, about 907 kg

A tonne (metric ton) is 1,000 kg. Results are shown to 6 significant figures.

Worked example

To convert 11 st 4 lb to kilograms:

Total pounds: 11 × 14 + 4 = 158
Kilograms: 158 × 0.45359237 = 71.6676 kg

Questions people ask

How many kg is a stone?

A stone is 14 pounds, which is about 6.35 kg. So 10 stone is about 63.5 kg and 12 stone is about 76.2 kg.

How do I convert kg to stones and pounds?

Divide the kilograms by 0.4536 to get pounds, then divide by 14: the whole number is stones and the remainder is pounds. 70 kg is 154.3 lb, which is 11 st 0.3 lb.

What's the difference between a ton and a tonne?

A tonne is 1,000 kg. A UK ton (long ton) is 2,240 lb, about 1,016 kg, and a US ton (short ton) is 2,000 lb, about 907 kg. They're close but not the same.

Last checked 26 October 2026