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Stone to Kilograms Converter (st to kg)

Convert stone to kilograms instantly with our free st to kg calculator. Enter a value to see the result.

Result1 st = 6.35029 kg
⇄ Switch to Kilograms to Stone
Quick answer: 1 stone (st) = 6.35029 kilograms (kg).

How to convert stone to kilograms

To change st into kg, use this formula:

kg = st × 6.35029

Quick mental estimate: multiply by about 6.4.

Example: to convert 25 st to kg, calculate 158.757 kg. To go the other way, use st = kg ÷ 6.35029.

Popular stone to kilograms conversions

Stone to Kilograms conversion chart

Stone (st)Kilograms (kg)
1 st6.35029 kg
2 st12.7006 kg
5 st31.7515 kg
10 st63.5029 kg
20 st127.006 kg
25 st158.757 kg
50 st317.515 kg
75 st476.272 kg
100 st635.029 kg
250 st1,587.57 kg
500 st3,175.15 kg
1,000 st6,350.29 kg

When do you need st to kg conversion?

This conversion is commonly used for cooking, fitness, shipping, travel luggage and health tracking. Different countries and industries use different units, so converting stone to kilograms helps you compare measurements accurately.

Frequently asked questions

How many kilograms are in 1 stone?

1 st equals 6.35029 kg.

How do I convert stone to kilograms?

Use the formula kg = st × 6.35029. For example, 25 st = 158.757 kg.

What is 10 st in kg?

10 st = 63.5029 kg.

What is 100 st in kg?

100 st = 635.029 kg.

How do I convert kg back to st?

Use st = kg ÷ 6.35029. You can also use our Kilograms to Stone converter.

Is this st to kg converter accurate?

Yes. It uses standard international conversion factors and shows up to 6 significant digits.

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