118 Fahrenheit to Celsius
47.8 °C
118 °F = 47.8 °C.
Celsius
47.8°C
118 °F = 47.8 °C
In short
How many Celsius is 118 Fahrenheit?
118 °F = 47.8 °C. 1 Fahrenheit = 0.555556 Celsius, then − 17.77777777777778, so the working is 118 × 0.555556 − 17.7778 = 47.8.
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 Fahrenheit = 0.555556 Celsius, then − 17.77777777777778 118 × 0.555556 − 17.7778 = 47.8
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 (°C) | Off by |
|---|---|---|
| Whole number | 48 | +0.22222 |
| 1 decimal | 47.8 | +0.02222 |
| 2 decimals | 47.78 | +0.00222 |
Round trip: take 47.8 °C back the other way and you land on 118.0400 °F — a drift of 0.0400 °F. That gap is the rounding, not the conversion.
What 118 °F looks like
120 °F
The Department of Energy recommends 120 Fahrenheit for a storage water heater, low enough to cut scalding risk and standby heat loss.
Frequently asked questions
What is 118 Fahrenheit in Celsius?
118 Fahrenheit is 47.8 Celsius. 1 Fahrenheit = 0.555556 Celsius, then − 17.77777777777778, so the working is 118 × 0.555556 − 17.7778 = 47.8.
How accurate is 47.8 °C?
Rounding to 47.8 °C and converting straight back gives 118.0400 °F, a drift of 0.0400 °F from the 118 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
Fahrenheit to Celsius Converter
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