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Stone to Kilograms Converter — Convert Stone to Kilograms Free Online

October 12, 2026 · 3 min read · By the DollarWise team

Convert Stone to Kilograms free — no sign-up, no downloads, no waiting. Key fact: 1 stone = 6.35029 kilograms. Type a value and get the result instantly, with the formula and a full conversion table below.

Stone to Kilograms Converter

Convert stone to kilograms instantly — 1 stone = 6.35029 kilograms.

100% Free Forever No Sign-up No Credit Card Private — runs 100% in your browser Unlimited Use

1 Enter the value in stone

Type any number — the result updates as you type.

2 Your result in kilograms

Kilograms (kg)

— kg

Convert kilograms to stone instead
🎉 Free forever. No sign-up. No credit card. No limits.

This converter runs entirely in your browser — convert as many values as you like, as often as you like.

How to convert Stone to Kilograms

  1. Enter the value — type the number of stone into the box above (or tap a quick preset).
  2. Read the result — the equivalent in kilograms appears instantly, with the exact multiplication shown.
  3. Copy or swap — copy the result, or jump to the reverse converter if you need kilograms to stone instead.

The formula

kilograms = stone × 6.35029

Worked example: 10 st × 6.35029 = 63.5029318 kg.

Stone to Kilograms conversion table

Stone (st) Kilograms (kg)
1 6.35029318
2 12.70058636
3 19.05087954
5 31.7514659
10 63.5029318
15 95.2543977
20 127.0058636
30 190.5087954
50 317.514659
100 635.029318

About stone and kilograms

The stone is a British unit equal to 14 pounds, or 6.35 kilograms. It is still widely used in the UK and Ireland for stating a person’s body weight.

The kilogram is the base unit of mass in the metric system and equals about 2.2 pounds. Body weight, luggage and groceries are measured in kilograms in most of the world.

Frequently asked questions

How many kilograms are in a stone? 1 stone = 6.35029 kilograms. So to convert any value, multiply it by 6.35029.

How do I convert stone to kilograms manually? Multiply the stone value by 6.35029. For example, 10 st × 6.35029 = 63.5029318 kg.

What is 10 stone in kilograms? 10 st = 63.5029318 kg. You can check any other value in the converter above — it updates as you type.

Is this stone to kilograms converter really free? Yes — completely free, with no sign-up and no limits. It runs 100% in your browser, so nothing you type is sent to a server.

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