Convert degrees Fahrenheit to degrees Celsius
Fahrenheit (°F) to Celsius (°C). One Fahrenheit equals -17.2222 degrees Celsius.
Formula
Fahrenheit to Celsius conversion table
| Degrees Fahrenheit | Degrees Celsius | Degrees Celsius | Degrees Fahrenheit |
|---|---|---|---|
| 1 °F | -17.2222 °C | 1 °C | 33.8 °F |
| 2 °F | -16.6667 °C | 2 °C | 35.6 °F |
| 3 °F | -16.1111 °C | 3 °C | 37.4 °F |
| 5 °F | -15 °C | 5 °C | 41 °F |
| 10 °F | -12.2222 °C | 10 °C | 50 °F |
| 20 °F | -6.6667 °C | 20 °C | 68 °F |
| 50 °F | 10 °C | 50 °C | 122 °F |
| 100 °F | 37.7778 °C | 100 °C | 212 °F |
| 500 °F | 260 °C | 500 °C | 932 °F |
| 1000 °F | 537.78 °C | 1000 °C | 1832 °F |
Decimal degrees Fahrenheit to degrees Celsius conversion table
The exact decimal amounts people look up most often, worked out with the same factor the converter above uses. Every row is calculated, not rounded off a chart.
| Degrees Fahrenheit | Degrees Celsius |
|---|---|
| -40 °F | -40 °C |
| -30 °F | -34.4444 °C |
| -20 °F | -28.8889 °C |
| -10 °F | -23.3333 °C |
| 0 °F | -17.7778 °C |
| 10 °F | -12.2222 °C |
| 20 °F | -6.6667 °C |
| 30 °F | -1.1111 °C |
| 32 °F | 0 °C |
| 40 °F | 4.4444 °C |
| 50 °F | 10 °C |
| 60 °F | 15.5556 °C |
| 68 °F | 20 °C |
| 70 °F | 21.1111 °C |
| 80 °F | 26.6667 °C |
| 90 °F | 32.2222 °C |
| 98.6 °F | 37 °C |
| 100 °F | 37.7778 °C |
| 100.4 °F | 38 °C |
| 110 °F | 43.3333 °C |
| 120 °F | 48.8889 °C |
| 150 °F | 65.5556 °C |
| 175 °F | 79.4444 °C |
| 200 °F | 93.3333 °C |
| 212 °F | 100 °C |
| 225 °F | 107.22 °C |
| 250 °F | 121.11 °C |
| 275 °F | 135 °C |
| 300 °F | 148.89 °C |
| 325 °F | 162.78 °C |
| 350 °F | 176.67 °C |
| 375 °F | 190.56 °C |
| 400 °F | 204.44 °C |
| 425 °F | 218.33 °C |
| 450 °F | 232.22 °C |
| 475 °F | 246.11 °C |
| 500 °F | 260 °C |
Degrees Celsius back to degrees Fahrenheit
The same conversion in reverse, for when you have the answer and need the question.
| Degrees Celsius | Degrees Fahrenheit |
|---|---|
| -40 °C | -40 °F |
| 0 °C | 32 °F |
| 20 °C | 68 °F |
| 37 °C | 98.6 °F |
| 100 °C | 212 °F |
| 180 °C | 356 °F |
| 200 °C | 392 °F |
| 220 °C | 428 °F |
Where the fahrenheit to Celsius factor comes from
- Fahrenheit sits 32 degrees above Celsius at water's freezing point and uses a smaller degree, so both differences have to be undone.
- First remove the offset by subtracting 32, which lines the two zero points up.
- Then rescale: each Fahrenheit degree is 5/9 of a Celsius degree, because 180 Fahrenheit degrees span the same range as 100 Celsius degrees.
- °C = (°F − 32) × 5/9. So 350 °F is 176.67 °C, 400 °F is 204.44 °C, and 98.6 °F is exactly 37 °C.
Sources
Common mistakes
Subtract before you scale, not after
The 32 has to come off first. (350 − 32) × 5/9 = 176.67 °C is right; 350 × 5/9 then minus 32 gives 162.4 °C, which is about 14 degrees too low. Order of operations changes the answer here.
Gas marks are a third scale
British recipes sometimes give gas marks, not Fahrenheit. Gas mark 4 is roughly 350 °F (177 °C) and each mark up adds about 25 °F. If a recipe says 'gas 6', that is around 400 °F, not 6 degrees of anything.
Converting degrees Fahrenheit to degrees Celsius means moving between two temperature scales that start at different points, so UnitGlide uses the exact Fahrenheit-to-Celsius formula instead of a simple multiplier. Enter any Fahrenheit reading above and the matching Celsius value appears instantly. For example, 68 °F equals 20 °C. Because each scale has its own zero and step size, small input changes can shift the result in ways a plain ratio would get wrong, which is why the formula matters. This temperature converter runs entirely in your browser, so you can check readings for cooking, weather, science or travel without sending anything to a server. The two-way table below lists common Fahrenheit values already converted to degrees Celsius, and back again, so you can scan for the number you need at a glance.
Frequently asked questions
What is 350 °F in Celsius?
350 °F is 176.67 °C, usually rounded to 180 °C on a metric oven dial. Work it out as (350 − 32) × 5/9 = 176.67.
What is 400 °F in Celsius?
400 °F is 204.44 °C, commonly set as 200 °C. 425 °F is 218.33 °C and 450 °F is 232.22 °C.
What is 98.6 °F in Celsius?
98.6 °F is exactly 37 °C, the standard normal body temperature. A fever threshold of 100.4 °F is 38 °C.
How many degrees Celsius are in a Fahrenheit?
One Fahrenheit equals -17.2222 degrees Celsius. Temperature scales convert by formula rather than a fixed ratio, so this holds at that specific reading.
What is the formula to convert degrees Fahrenheit to degrees Celsius?
Use °C = (°F − 32) × 5/9. UnitGlide applies this exact formula for every value, so results stay accurate across the whole range.
How do I convert degrees Celsius back to degrees Fahrenheit?
Reverse the scale using the Celsius-to-Fahrenheit formula, or just press the swap button in the converter above to flip the direction instantly. One Celsius corresponds to 33.8 degrees Fahrenheit at that point.
Is this Fahrenheit to Celsius converter accurate?
Yes. It uses the standard SI temperature scale formulas, and all math runs in your browser so nothing is rounded away on a server. For everyday use the displayed precision is more than enough.