Stone to Pound Converter

One Stone equals 14 Pound (1 st = 14 lb). Multiply a Stone value by 14 to get the equivalent in Pound. Use the calculator above for instant results, or follow the formula, worked examples, and reference table below.

Formula

lb = st × 14

Multiply the Stone value by 14 to get the equivalent value in Pound.

Example Conversions

1 Stone (st)

14 Pound (lb)

5 Stone (st)

70 Pound (lb)

10 Stone (st)

140 Pound (lb)

25 Stone (st)

350 Pound (lb)

100 Stone (st)

1400 Pound (lb)

Conversion Table

Common conversion values from Stone to Pound
Stone (st) Pound (lb)
0.1 1.4
0.5 7
1 14
2 28
5 70
10 140
25 350
50 700
100 1400
250 3500
500 7000
1000 14000

How to Convert Manually

Use these steps to convert Stone values to Pound without the calculator.

  1. Write down the value in Stone (st) that you want to convert.
  2. Multiply that value by 14.
  3. For example, 10 Stone × 14 = 140 Pound.
  4. Label the result as Pound (lb).

Relative Size Comparison

1 Stone
1st
1 Pound0.07142857143Stones

This chart shows the visual difference in size between exactly one Stone and one Pound.

About Stone and Pound

The stone equals 14 pounds, exactly 6.35029318 kilograms. It survives almost exclusively for stating body weight in the UK and Ireland. The pound (avoirdupois) is defined as exactly 0.45359237 kilograms under the 1959 international agreement. Body weight, groceries, and shipping in the US run on pounds. One Stone equals 14 Pound (1 st = 14 lb). Stone to Pound conversion comes up most often in body weight in the UK and Ireland and in boxing and horse racing weight classes, typically when figures need restating for body weight in the US.

Precision and Rounding: Metric-imperial mass factors are exact (1 lb = 0.45359237 kg by the 1959 agreement), so precision is purely a display choice. One decimal place is enough for body weight and cooking; nutrition labeling, pharmacy, and lab work need the full factor before rounding.

Conversion factors per NIST Special Publication 811 and the BIPM SI Brochure (9th edition) (reference).

Worked Example

15 Stone equals 210 Pound.

15 st × 14 = 210 lb

FAQ

How do I convert Stone to Pound?

Multiply the Stone value by 14 to get the equivalent value in Pound.

What is the formula for Stone to Pound?

The formula is lb = st × 14.

How many Pound are in 1 Stone?

1 Stone equals 14 Pound.

Can I convert Pound back to Stone?

Yes. 1 Pound equals 0.07142857143 Stone, and the related converter can reverse the calculation.

What are common names for Stone and Pound?

Stone is shown as st and may also be searched as stones. Pound is shown as lb and may also be searched as pounds, lbs.

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