Conversions

Instant, private, and free

Stone to Kilograms Converter.

Convert avoirdupois stones to kilograms and back using 14 pounds per stone.

On-device calculationNo signup

Set your values

Results update as you type.

02 / ANSWER

Value to Convert

From

Result

0.00000000

FAQs

How does the stone to kilograms converter work?

Convert avoirdupois stones to kilograms and back using 14 pounds per stone.

Use Cases

Track weight in stones or kilograms

If you're used to weighing yourself in stones but need kilograms for medical or fitness records, this converter helps you switch between the two units quickly.

Example: Enter 10 stones to get 63.5 kilograms.

Convert body weight for international use

When traveling or sharing weight information with people who use the metric system, convert your stone-based weight to kilograms for clear communication.

Example: Convert 12 stones to 76.2 kilograms.

Frequently Asked Questions

How many kilograms are in one stone?: One avoirdupois stone is equal to 14 pounds, and since 1 pound is 0.45359237 kilograms, one stone is exactly 6.35029318 kilograms. This converter uses that standard to give you precise results.
Can I convert kilograms back to stones?: Yes, the converter works both ways. If you enter a value in kilograms, it will convert to stones using the same 14 pounds per stone standard, giving you the equivalent weight in stones.
What is the difference between a stone and a kilogram?: A stone is a British imperial unit of weight equal to 14 pounds, while a kilogram is the base unit of mass in the metric system. The converter uses the exact conversion factor to switch between them.

Tips & Common Mistakes

Tips

Remember that 1 stone equals 14 pounds, so you can also convert by multiplying stones by 14 to get pounds, then by 0.45359237 to get kilograms.
For quick mental estimates, multiply stones by 6.35 to get a close kilogram value.
Double-check your input: if you enter a value in kilograms, the converter will output stones, and vice versa.

Common Mistakes to Avoid

Confusing the stone (14 pounds) with other units like the US short hundredweight (100 pounds) or the metric ton.
Forgetting that the conversion factor is exact: 1 stone = 6.35029318 kg, not 6.35 kg, which can cause small rounding errors.
Assuming the converter works only one way; it actually converts both stones to kilograms and kilograms to stones.

Last updated: August 13, 2026

Use Cases

Track weight in stones or kilograms

If you're used to weighing yourself in stones but need kilograms for medical or fitness records, this converter helps you switch between the two units quickly.

Example: Enter 10 stones to get 63.5 kilograms.

Convert body weight for international use

When traveling or sharing weight information with people who use the metric system, convert your stone-based weight to kilograms for clear communication.

Example: Convert 12 stones to 76.2 kilograms.

Frequently Asked Questions

How many kilograms are in one stone?

One avoirdupois stone is equal to 14 pounds, and since 1 pound is 0.45359237 kilograms, one stone is exactly 6.35029318 kilograms. This converter uses that standard to give you precise results.

Can I convert kilograms back to stones?

Yes, the converter works both ways. If you enter a value in kilograms, it will convert to stones using the same 14 pounds per stone standard, giving you the equivalent weight in stones.

What is the difference between a stone and a kilogram?

A stone is a British imperial unit of weight equal to 14 pounds, while a kilogram is the base unit of mass in the metric system. The converter uses the exact conversion factor to switch between them.

Tips & Common Mistakes

Tips

Remember that 1 stone equals 14 pounds, so you can also convert by multiplying stones by 14 to get pounds, then by 0.45359237 to get kilograms.
For quick mental estimates, multiply stones by 6.35 to get a close kilogram value.
Double-check your input: if you enter a value in kilograms, the converter will output stones, and vice versa.

Common Mistakes to Avoid

Confusing the stone (14 pounds) with other units like the US short hundredweight (100 pounds) or the metric ton.
Forgetting that the conversion factor is exact: 1 stone = 6.35029318 kg, not 6.35 kg, which can cause small rounding errors.
Assuming the converter works only one way; it actually converts both stones to kilograms and kilograms to stones.

Conversions

Instant, private, and free

Stone to Kilograms Converter.

Convert avoirdupois stones to kilograms and back using 14 pounds per stone.

On-device calculationNo signup

Set your values

Results update as you type.

02 / ANSWER

Value to Convert

From

Result

0.00000000

FAQs

How does the stone to kilograms converter work?

Convert avoirdupois stones to kilograms and back using 14 pounds per stone.

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Use Cases

Track weight in stones or kilograms

If you're used to weighing yourself in stones but need kilograms for medical or fitness records, this converter helps you switch between the two units quickly.

Example: Enter 10 stones to get 63.5 kilograms.

Convert body weight for international use

When traveling or sharing weight information with people who use the metric system, convert your stone-based weight to kilograms for clear communication.

Example: Convert 12 stones to 76.2 kilograms.

Frequently Asked Questions

How many kilograms are in one stone?: One avoirdupois stone is equal to 14 pounds, and since 1 pound is 0.45359237 kilograms, one stone is exactly 6.35029318 kilograms. This converter uses that standard to give you precise results.
Can I convert kilograms back to stones?: Yes, the converter works both ways. If you enter a value in kilograms, it will convert to stones using the same 14 pounds per stone standard, giving you the equivalent weight in stones.
What is the difference between a stone and a kilogram?: A stone is a British imperial unit of weight equal to 14 pounds, while a kilogram is the base unit of mass in the metric system. The converter uses the exact conversion factor to switch between them.

Tips & Common Mistakes

Tips

Remember that 1 stone equals 14 pounds, so you can also convert by multiplying stones by 14 to get pounds, then by 0.45359237 to get kilograms.
For quick mental estimates, multiply stones by 6.35 to get a close kilogram value.
Double-check your input: if you enter a value in kilograms, the converter will output stones, and vice versa.

Common Mistakes to Avoid

Confusing the stone (14 pounds) with other units like the US short hundredweight (100 pounds) or the metric ton.
Forgetting that the conversion factor is exact: 1 stone = 6.35029318 kg, not 6.35 kg, which can cause small rounding errors.
Assuming the converter works only one way; it actually converts both stones to kilograms and kilograms to stones.

Last updated: August 13, 2026