lbs to stone | Exact Decimal + Stone/Pounds

1 Pound = 0.071429 Stone

Pounds to stones is the classic UK body-weight conversion — scales in Britain commonly display stone and pounds, while gym equipment and recipes use pounds.

About Pound and Stone

Pound (lb)

A pound is exactly 0.45359237 kilograms, the everyday mass unit in the US and UK.

Where it's used: Body weight, food quantities, luggage limits, and gym weights in imperial countries.

Stone (st)

A stone is 14 pounds or exactly 6.35029318 kilograms.

Where it's used: Body weight in the UK and Ireland, where people often report weight in stones and pounds.

Weight & Mass Converter

From

Tab Switch fieldsS SwapC Copy

Precision

Formula

st = lb × 0.071428571

To convert Pound to Stone, use the formula displayed above.

Pinned Favorites

No pinned converters yet. Click the star button to pin common pairs.

Recent History

Conversions you copy will be recorded here.

Pound to Stone: Quick Reference Table

Pound	Stone (Decimal)	Fraction	Real-world equivalent
0.001 lb	0.000071 st	-	fractional unit measurement
0.01 lb	0.000714 st	-	fractional unit measurement
0.1 lb	0.007143 st	-	fractional unit measurement
0.5 lb	0.035714 st	1/32 st	fractional unit measurement
1 lb	0.071429 st	5/64 st	fractional unit measurement
2 lb	0.142857 st	9/64 st	fractional unit measurement
5 lb	0.357143 st	23/64 st	fractional unit measurement
10 lb	0.714286 st	23/32 st	fractional unit measurement
25 lb	1.785714 st	1 25/32 st	standard single unit scale
50 lb	3.571429 st	3 37/64 st	standard single unit scale
100 lb	7.142857 st	7 9/64 st	standard single unit scale
250 lb	17.857143 st	17 55/64 st	multiple unit increments
500 lb	35.714286 st	35 23/32 st	multiple unit increments
1000 lb	71.428571 st	71 27/64 st	multiple unit increments

lb to st Formula and Examples

Direct Formula st = lb × 0.071428571

Inverse Formula lb = st × 14

Mental Math Shortcut

Divide the value by roughly 14 to quickly estimate the converted result.

Common Pound to Stone Calculations

5 lb = 0.357143 st
10 lb = 0.714286 st
50 lb = 3.571429 st
100 lb = 7.142857 st
500 lb = 35.714286 st

Precision & Practical Use

For example, 10 lb = 0.714286 st — roughly fractional unit measurement.

Kitchen scales typically resolve to 1 gram or 0.1 oz, while lab and industrial scales go further. Round the converted result to the smallest unit your scale can actually display.

Related Specialist Weight & Mass Calculators & Niche Tools

Standard weight and mass units like kilograms, pounds, grams, and ounces are used globally, but specific industries like culinary baking, metallurgy, and construction logistics demand much more detailed density and structural load conversions.

In culinary arts, baking success relies on converting ingredient weight (grams) from volume (cups, tablespoons) because packing density differs between flour, butter, and white sugar. In heavy fabrication, steel weight calculators estimate raw beam or plate weights based on linear dimensions and metal grades, while rebar calculators determine structural reinforcement loading. For land developers, gravel weight calculators convert volume in cubic yards into tons to estimate hauling weights. Using these specialized weight calculators prevents structural calculation errors and material shipping underestimations.

Flour Cups to Grams Convert baking flour cups to grams. Butter Cups to Grams Convert baking butter cups to grams. Pounds & Ounces to kg Convert compound weight measurements. Steel Weight Calc Estimate steel bar or plate weights. Rebar Weight Calc Calculate rebar linear weights and sizing. Gravel Weight Tons/Yards Convert gravel volume to tons weight.

How to Convert Pound to Stone

How many stones are in one pound?

One Pound (lb) equals 0.071429 Stone (st). To convert pounds to stones, multiply the pound value by 0.071429.

How do I convert Pound to Stone?

Multiply your pound value by 0.071429 to get the result in Stone: st = lb × 0.071429. For example, 5 lb = 0.357143 st.

What is the formula for converting lb to st?

The conversion formula is st = lb × 0.071429. Use the calculator above for any value, and see the reference table below for common inputs from 0.001 to 1000.

Is there a quick mental estimate for lb to st?