80 centimeters to inches
31.50 in
80 cm = 31.50 in, or 2 ft 7.50 in.
inches
31.50in
80 cm = 31.50 in
The short answer
How many inches is 80 centimeters?
80 cm = 31.50 in, which reads as 2 ft 7.50 in. 1 centimeter = 0.393701 inches, so the working is 80 × 0.393701 = 31.50.
To the nearest 1/2 that is 31 1/2 in.
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 centimeter = 0.393701 inches 80 × 0.393701 = 31.50
80 centimeters as 2 ft 7.50 in
A decimal is the right form for a spreadsheet and the wrong one for almost everything else. Split into whole units, 80 cm is 2 ft 7.50 in — the reading you would actually give someone, and the one a tape measure, a scale, or a timetable is marked in.
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 to | Answer (in) | Off by |
|---|---|---|
| Whole number | 31 | −0.49606 |
| 1 decimal | 31.5 | +0.00394 |
| 2 decimals | 31.50 | +0.00394 |
Round trip: take 31.50 in back the other way and you land on 80.0100 cm — a drift of 0.0100 cm. That gap is the rounding, not the conversion.
Frequently asked questions
What is 80 centimeters in inches?
80 centimeters is 31.50 inches. 1 centimeter = 0.393701 inches, so the working is 80 × 0.393701 = 31.50.
What is 80 centimeters in feet and inches?
2 ft 7.50 in. A decimal answer such as 31.50 in is the right shape for a form field or a spreadsheet, but the compound form is what a tape measure, a scale, or a schedule actually reads.
What is 80 centimeters as a fraction?
To the nearest 1/2, 80 centimeters is 31 1/2 in. That is 0.0039 in over the exact value — well inside what a tape measure can resolve.
How accurate is 31.50 in?
Rounding to 31.50 in and converting straight back gives 80.0100 cm, a drift of 0.0100 cm 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
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