AI Calculator Tool

Pounds to Stones Converter

Convert pounds to stone instantly. Free online lb to st calculator—divide by 14. For UK/Ireland body weight display.

How to Convert Pounds to Stones

To convert pounds to stones, divide the number of pounds by 14. Since one stone equals 14 pounds, this conversion is commonly used in the UK and Ireland for body weight measurements.

Conversion Formula:

value / 14

Conversion Examples

Example: 140 lb to stone

  1. 140 ÷ 14 = 10 st

140 pounds = 10 stone

Even stone value.

Example: 150 lb to stone

  1. 150 ÷ 14 ≈ 10.71 st

150 pounds ≈ 10.71 stone

Decimal stone output.

Conversion Chart

PoundsStones
70.5
141
282
423
564
705
846
987
1128

Conversion Formula

The formula to convert pounds to stones is:

pounds ÷ 14 = stones

Mathematically, you can write this as:


pounds ÷ 14 pounds/stone = stones

Dividing by 14 converts pounds to stones using the standard imperial conversion factor, since one stone equals exactly 14 pounds.

Quick Conversion Tip

Quick conversion: Divide pounds by 14 to get stones. For example, 14 lbs = 1 st, 28 lbs = 2 st, 70 lbs = 5 st.

Unit Definitions

Pound (lbs)

A pound is an imperial unit of mass. The avoirdupois pound, used in the United States and most countries, equals approximately 0.453592 kilograms or 16 ounces.

1 pound = 0.0714286 stones = 16 ounces = 453.592 grams

Stone (st)

A stone is an imperial unit of mass used primarily in the UK and Ireland. One stone equals 14 pounds or 224 ounces, commonly used for body weight measurements.

1 stone = 14 pounds = 224 ounces = 6.35029 kilograms

Common Use Cases

  • UK health apps showing stone.
  • Boxing and wrestling weight classes.
  • Converting US lb listings for UK users.
  • Historical weight records.

Understanding the Conversion

Pounds to stone: divide by 14 (14 lb = 1 st). UK weight often shown as stones plus remaining pounds.

154 lb = 11 stone.

UK health apps showing stone. The table and FAQ on this page walk through the factor if you need it.

FAQs

How do I convert pounds to stone?

Divide pounds by 14.

How many pounds in a stone?

14 pounds.

What is 200 lb in stone?

200 ÷ 14 ≈ 14.29 stone.