Mass and Weight · Unit Converter

Convert Stone (UK) to Pound

Convert stones (uk) to pounds instantly. 1 stone (uk) = 14 pound — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Pound to Stone (UK) converter for the reverse conversion.

Written by Sunith Babu L, Ph.D., Lead Engineer Reviewed by Dr. Ashok Kumar K, Ph.D.
Mass and Weight category 2 min read Published Last reviewed Updated

Units explained

Avoirdupois

Stone (UK)

What is a stone (uk)?

The UK stone (st) equals 14 pounds, about 6.35 kilograms.

Origin of the stone (uk)

From standardized market 'stones' once used for weighing goods.

Where it is used

Body weight in the United Kingdom and Ireland.

When and where it was developed

Fixed at 14 pounds by British statute in 1835.

Avoirdupois

Pound

What is a pound?

The pound (lb) is a unit of mass equal to exactly 0.45359237 kilogram.

Origin of the pound

From Latin 'libra pondo' (a pound by weight); the symbol lb comes from 'libra'.

Where it is used

The primary weight unit in the United States and informally in the UK.

When and where it was developed

The international avoirdupois pound was fixed in the 1959 yard-and-pound agreement.

Stone (UK) to Pound conversion formula

The relationship between stones (uk) and pounds:

1 st = 14 lb
1 lb = 0.0714285714 st

To convert stones (uk) to pounds, multiply the value in stones (uk) by 14. To reverse, multiply pounds by 0.0714285714.

How to use this converter

Type a value into the calculator. The result in pounds updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Pound to Stone (UK) converter for the reverse direction.

Step-by-step: convert stones (uk) to pounds

  1. Write down the value in stones (uk) (st).
  2. Multiply that value by the factor 14.
  3. The product is the equivalent value in pounds (lb).
  4. To reverse, multiply the pound value by 0.0714285714.

Worked examples

Example 1 — Convert 1 st to lb:
1 × 14 = 14 lb

Example 2 — Convert 100 st to lb:
100 × 14 = 1400 lb

Real-world example — Maritime depth conversion

A 10-stone (uk) sounding depth converts cleanly into pounds. Recreational divers and sailors translate between the two units whenever they read legacy charts against modern depth-sounder displays.

10 st × 14 = 140 lb

Real-world example — Reference scenario in case of fallback

Conversion between human-scale length units is the everyday workflow of architecture, athletics, and apparel design — three of the most common contexts that span metric and imperial systems.

1 st × 14 = 14 lb

Real-world example — Adult height conversion

A 1.8-stone (uk)-tall person measures a value in pounds that converts the height to the unit favoured by American forms, schools, or driver's licences. This is daily routine for anyone living between metric and imperial systems.

1.8 st × 14 = 25.2 lb

Stone (UK) to Pound conversion table

Standard reference values for converting stones (uk) to pounds:

Stone (UK) [st]Pound [lb]
0.010.14
0.11.4
114
228
342
456
570
10140
20280
30420
40560
50700
1001400
5007000
100014000

Frequently asked questions

How many pounds is 1 stone (uk)?
1 stone (uk) equals 14 pound.
How do I convert stones (uk) to pounds?
Multiply the value in stones (uk) by 14 to get pounds.
How do I convert pounds back to stones (uk)?
Multiply the value in pounds by 0.0714285714, or use the Pound to Stone (UK) converter.
How many pounds is 100 stones (uk)?
100 stones (uk) equals 1400 pounds, because 100 × 14 = 1400.

Convert Stone (UK) to other weight units

Show all Stone (UK) conversions
Metric / SI (18 units)
Avoirdupois (14 units)
Troy & Apothecary (10 units)
Indian / South Asian (6 units)
Scientific / Atomic (9 units)
Astronomical (4 units)
Biblical / Ancient (14 units)
Force / Engineering (5 units)

Sources & references

Conversion factor (1 st = 14 lb) verified against the following authoritative sources:

Results are provided for general reference. Verify critical measurements against an authoritative standard.