Stone to Kilograms

Convert st to kg instantly — with a table, common amounts, and a live calculator.

1 st equals 6.35 kg.

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Result (kg)6.35 kg

st to kg table

stkg
0.25 st1.59 kg
0.5 st3.18 kg
0.75 st4.76 kg
1 st6.35 kg
1.5 st9.53 kg
2 st12.7 kg
2.5 st15.88 kg
3 st19.05 kg
4 st25.4 kg
5 st31.75 kg
6 st38.1 kg
7 st44.45 kg
7.5 st47.63 kg
8 st50.8 kg
10 st63.5 kg
12 st76.2 kg
15 st95.25 kg
20 st127.01 kg
25 st158.76 kg
50 st317.51 kg
75 st476.27 kg
100 st635.03 kg

kg to st (reverse)

kgst
0.25 kg0.0394 st
0.5 kg0.0787 st
0.75 kg0.118 st
1 kg0.157 st
1.5 kg0.236 st
2 kg0.315 st
2.5 kg0.394 st
3 kg0.472 st
4 kg0.63 st
5 kg0.787 st
6 kg0.945 st
7 kg1.1 st
7.5 kg1.18 st
8 kg1.26 st
10 kg1.57 st
12 kg1.89 st
15 kg2.36 st
20 kg3.15 st
25 kg3.94 st
50 kg7.87 st
75 kg11.81 st
100 kg15.75 st

Common amounts

stkg
1/8 st0.794 kg
1/4 st1.59 kg
1/3 st2.12 kg
1/2 st3.18 kg
2/3 st4.23 kg
3/4 st4.76 kg
1 st6.35 kg
1 1/4 st7.94 kg
1 1/2 st9.53 kg
1 3/4 st11.11 kg
2 st12.7 kg
2 1/2 st15.88 kg

How it scales

613192501234st

1 kilogram in other units

1000g35.3oz2.2lb0.2st

The ratio at a glance

1 st6.35 kg

Imperial and metric weight units

Ounces, pounds, and stone belong to the imperial/US system, while milligrams, grams, kilograms, and metric tons are metric. The international avoirdupois pound is defined as exactly 453.59237 grams.

Mass-to-mass conversions are exact and rest on fixed factors — for more unit pairs, use our weight conversion hub.

Related conversions

Where weight conversions are used

Weight (mass) conversions show up in cooking, shipping, fitness, and travel — anywhere recipes, luggage limits, or body weight are quoted in pounds, ounces, kilograms, or grams.

  • One pound is defined as exactly 0.45359237 kg, so the kilogram ↔ pound factor never changes.
  • Strictly, kilograms measure mass and pounds-force measure weight, but in everyday use the two are converted directly.
  • A metric tonne is 1,000 kg; a US (short) ton is about 907 kg and a UK (long) ton about 1,016 kg.

Frequently asked questions

How many kg are in a st?

1 st equals 6.35 kg.

How many kg are in 2 st?

2 st equal 12.7 kg.

How do I convert st to kg?

Multiply the number of st by 6.35 to get kg.

Is the st-to-kg conversion exact?

Yes. Mass-to-mass conversions are exact; the values here are only rounded to two decimal places.

Why are there imperial and metric weight units?

Ounces, pounds, and stone belong to the imperial/US system, while milligrams, grams, kilograms, and metric tons are metric. All conversions rest on fixed, exact factors.

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