Skip to main content

How to Calculate KG to Stone Converter

What is KG to Stone Converter?

A kilograms to stone converter converts metric body weight to the British imperial stone unit. Commonly needed when reading UK medical or fitness references that use stone and pounds.

Formula

st = kg ÷ 6.35029; remaining_lb = (fractional_st × 14)
kg
Kilograms (kg) — Metric weight
st
Stone (st) — Imperial weight; 1 st = 14 pounds
lb
Pounds (lb) — Remaining fraction converted to pounds

Step-by-Step Guide

  1. 11 kg = 0.157473 stone
  2. 21 stone = 6.35029 kg
  3. 3Stone = kg ÷ 6.35029
  4. 4Remaining pounds = (stone decimal) × 14

Worked Examples

Input
70 kg
Result
11 stone 0.4 lbs
Input
80 kg
Result
12 stone 8.7 lbs
Input
100 kg
Result
15 stone 10.4 lbs

Frequently Asked Questions

How do I convert 75 kg to stone and pounds?

75 ÷ 6.35 = 11.81 stone. The 0.81 = 11.4 pounds, so 75 kg ≈ 11 st 11 lb.

Why use stone at all?

Tradition in the UK and Ireland. Medical charts, gym records, and informal conversation still use st and lb in these regions.

Is 15 stone heavier than 200 lbs?

No. 15 stone = 95.25 kg = 210 lbs. They're roughly the same (15 st ≈ 210 lbs).

Ready to calculate? Try the free KG to Stone Converter Calculator

Try it yourself →

Settings

PrivacyTermsAbout© 2026 PrimeCalcPro