convertimate Weight

Stone to kilograms

Type a value in st to get it in kg instantly.

635kg

That's 2.1× as heavy as an upright piano, while a cow is 1.18× heavier. On the Moon the same mass would weigh only 105.5 kg.

What it means

How heavy is that?

Reference weights are typical values. Strictly these are masses; on Earth the two are used interchangeably.

The math

How to convert st to kg

To convert stone to kilograms, multiply by 6.35029.

Example: 100 st × 6.35029 = 635.029 kg.

In the other direction, 1 kg = 0.157473 st.

Every unit

Your weight in every unit

Tables

st to kg conversion table

st to kg conversion table
stkg
1 st6.35029 kg
2 st12.7006 kg
3 st19.0509 kg
5 st31.7515 kg
10 st63.5029 kg
15 st95.2544 kg
20 st127.006 kg
25 st158.757 kg
30 st190.509 kg
50 st317.515 kg
60 st381.018 kg
70 st444.521 kg
80 st508.023 kg
90 st571.526 kg
100 st635.029 kg
200 st1,270.06 kg
500 st3,175.15 kg
1,000 st6,350.29 kg
kg to st conversion table
kg to st conversion table
kgst
1 kg0.157473 st
2 kg0.314946 st
3 kg0.472419 st
5 kg0.787365 st
10 kg1.57473 st
15 kg2.3621 st
20 kg3.14946 st
25 kg3.93683 st
30 kg4.72419 st
50 kg7.87365 st
60 kg9.44838 st
70 kg11.0231 st
80 kg12.5978 st
90 kg14.1726 st
100 kg15.7473 st
200 kg31.4946 st
500 kg78.7365 st
1,000 kg157.473 st

Quick answers

Quick answers

How many kg is 1 st?
1 st is 6.35029 kg.
How many kg is 10 st?
10 st is 63.5029 kg.
How many kg is 100 st?
100 st is 635.029 kg.

The units

About these units

Stone (st)

A stone is 14 pounds, about 6.35 kg. It survives almost only in Britain and Ireland, for body weight.

Kilograms (kg)

The kilogram is the SI base unit of mass, defined since 2019 by fixing the Planck constant. It is the only base unit that still carries a prefix.

Learn more about weight units

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