42 inches to feet
3.500 ft
42 in = 3.500 ft.
feet
3.500ft
42 in = 3.500 ft
In short
How many feet is 42 inches?
42 in = 3.500 ft. 1 inch = 0.083333 feet, so the working is 42 × 0.083333 = 3.500.
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 inch = 0.083333 feet 42 × 0.083333 = 3.500
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 (ft) | Off by |
|---|---|---|
| Whole number | 4 | +0.50000 |
| 1 decimal | 3.5 | exact |
| 2 decimals | 3.50 | exact |
Round trip: take 3.500 ft back the other way and you land on 42.0000 in — a drift of 0.0000 in. That gap is the rounding, not the conversion.
Frequently asked questions
What is 42 inches in feet?
42 inches is 3.500 feet. 1 inch = 0.083333 feet, so the working is 42 × 0.083333 = 3.500.
How accurate is 3.500 ft?
Rounding to 3.500 ft and converting straight back gives 42.0000 in, a drift of 0.0000 in from the 42 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
Inches to Feet Converter
Convert inches to feet — twelve to the foot, and how to read the remainder.
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