18 feet to meters
5.49 m
18 ft = 5.49 m.
meters
5.49m
18 ft = 5.49 m
In short
How many meters is 18 feet?
18 ft = 5.49 m. 1 foot = 0.304800 meters, so the working is 18 × 0.304800 = 5.49.
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 foot = 0.304800 meters 18 × 0.304800 = 5.49
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 (m) | Off by |
|---|---|---|
| Whole number | 5 | −0.48640 |
| 1 decimal | 5.5 | +0.01360 |
| 2 decimals | 5.49 | +0.00360 |
Round trip: take 5.49 m back the other way and you land on 18.0118 ft — a drift of 0.0118 ft. That gap is the rounding, not the conversion.
Frequently asked questions
What is 18 feet in meters?
18 feet is 5.49 meters. 1 foot = 0.304800 meters, so the working is 18 × 0.304800 = 5.49.
How accurate is 5.49 m?
Rounding to 5.49 m and converting straight back gives 18.0118 ft, a drift of 0.0118 ft from the 18 you started with. The factor itself is exact; every bit of that difference comes from the rounding, not the conversion.
Nearby values
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