Skip to main content
pounds → stone

80 pounds to stone

5.71 st

80 lb = 5.71 st.

stone

5.71st

80 lb = 5.71 st

In short

How many stone is 80 pounds?

80 lb = 5.71 st. 1 pound = 0.071429 stone, so the working is 80 × 0.071429 = 5.71.

The working

The factor below is an exact definition rather than a measurement, so nothing is approximated in the arithmetic. The only rounding on this page happens where a number is displayed.

1 pound = 0.071429 stone
80 × 0.071429 = 5.71

How much precision do you need?

Each row is the same answer cut at a different number of decimals, with what that choice costs you. Pick the shortest row whose error is smaller than whatever you are measuring with.

Rounded toAnswer (st)Off by
Whole number6+0.28571
1 decimal5.7−0.01429
2 decimals5.71−0.00429

Round trip: take 5.71 st back the other way and you land on 79.9400 lb — a drift of 0.0600 lb. That gap is the rounding, not the conversion.

Frequently asked questions

What is 80 pounds in stone?

80 pounds is 5.71 stone. 1 pound = 0.071429 stone, so the working is 80 × 0.071429 = 5.71.

How accurate is 5.71 st?

Rounding to 5.71 st and converting straight back gives 79.9400 lb, a drift of 0.0600 lb from the 80 you started with. The factor itself is exact; every bit of that difference comes from the rounding, not the conversion.

Nearby values

Any value at all

Pounds to Stone Converter

Convert pounds to stone and pounds — the reading a UK or Irish scale gives.

Open the pounds to stone converter