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Stone to Long Tons (st to long tn) Converter

1 stone (st) = 0.00625 long tons (long tn). To convert stone to long tons, multiply by 0.00625: 11 st × 0.00625 = 0.06875 long tn.

1 st = 0.00625 long tn
Convert the other way: Long Tons to Stone

Quick facts

How to convert stone to long tons

  1. Take the value in stone.
  2. Multiply it by 0.00625 (the number of long tons in one stone).
  3. Round the result to the precision you need.
long tn = st × 0.00625

Worked example (a person's body weight in the UK): 11 st × 0.00625 = 0.06875 long tn.

To convert long tons back to stone, multiply by 160, or divide by 0.00625.

Source: NIST Special Publication 811 (2008), Appendix B (1 pound = 0.45359237 kg exactly). Tola, seer and maund use the standard values given in their definitions on this page.

Stone to Long Tons conversion table

Stone to Long Tons conversion table
Stone [st]Long Tons [long tn]
0.01 st0.0000625 long tn
0.1 st0.000625 long tn
1 st0.00625 long tn
2 st0.0125 long tn
3 st0.01875 long tn
5 st0.03125 long tn
10 st0.0625 long tn
20 st0.125 long tn
50 st0.3125 long tn
100 st0.625 long tn
1000 st6.25 long tn

st to long tn chart from 1 to 100

Long Tons to Stone conversion table

Long Tons to Stone conversion table
Long Tons [long tn]Stone [st]
0.01 long tn1.6 st
0.1 long tn16 st
1 long tn160 st
2 long tn320 st
3 long tn480 st
5 long tn800 st
10 long tn1600 st
20 long tn3200 st
50 long tn8000 st
100 long tn16000 st
1000 long tn160000 st

Stone vs Long Tons

StoneLong Ton
Symbolstlong tn
Equals1 st = 0.00625 long tn1 long tn = 160 st

What is a stone?

A UK imperial unit equal to 14 pounds. Used in the UK and Ireland for body weight.

What is a long ton?

A British imperial unit equal to 2,240 pounds. Historically used in the UK for shipping and industry.

Frequently asked questions

How many long tons are in a stone?

There are 0.00625 long tons in 1 stone (1 st = 0.00625 long tn).

How many stone are in a long ton?

There are 160 stone in 1 long ton (1 long tn = 160 st).

How do I convert stone to long tons?

Multiply the number of stone by 0.00625. For example, 10 st × 0.00625 = 0.0625 long tn. To convert back, multiply by 160.

What is 10 st in long tons?

10 st = 0.0625 long tn.

What is 100 st in long tons?

100 st = 0.625 long tn.

Is the conversion exact?

Yes. The factor comes from the official definitions of both units (NIST Special Publication 811 (2008), Appendix B (1 pound = 0.45359237 kg exactly). Tola, seer and maund use the standard values given in their definitions on this page). Results are shown to up to 10 decimal places; round them to suit your purpose.

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Reviewed by

Dr. Muhammad Amjad Khadim PhD Mathematics

Dr. Muhammad Amjad Khadim holds a PhD in Mathematics. He writes and reviews the guides on pakmath.com and checks every formula, conversion factor and worked example against published standards and official guidance before it goes live. Spotted an error? Tell us and it will be corrected.

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First published 28 October 2026 · Last reviewed 5 November 2026