Convert Celsius to Fahrenheit in One Click
Type in any temperature in Celsius and the calculator above instantly shows you the matching Fahrenheit value — no maths required. It works just as well the other way around, so you can convert Fahrenheit back to Celsius too.
0°C = 32°F is the single most searched conversion. The full formula, common values, and a handy reference table are all below.
How to Use the Celsius to Fahrenheit Calculator
- Find the converter at the top of the page.
- Make sure Celsius is selected as the "From" unit and Fahrenheit as the "To" unit.
- Type your temperature into the input box.
- The converted value appears instantly — no button to press.
- To reverse it (Fahrenheit → Celsius), just swap the units.
Worked Example: Converting 37°C to Fahrenheit
Body temperature is 37°C. What is that in Fahrenheit?
- Take the Celsius value: 37
- Multiply by 9 then divide by 5: 37 × 9 ÷ 5 = 66.6
- Add 32: 66.6 + 32 = 98.6°F
So 37°C = 98.6°F — healthy adult body temperature on the Fahrenheit scale.
How the Celsius to Fahrenheit Formula Works
The official conversion formula (defined by the International Bureau of Weights and Measures) is:
°F = (°C × 9/5) + 32In plain words: multiply the Celsius temperature by 1.8, then add 32. That's it. The +32 accounts for the offset between the two scales — Fahrenheit starts at 32° where Celsius starts at 0°.
Reverse formula (Fahrenheit to Celsius):
°C = (°F - 32) × 5/9Quick Reference Table: Celsius to Fahrenheit
| Celsius (°C) | Fahrenheit (°F) | What it feels like |
|---|---|---|
| 1°C | 33.8°F | Just above freezing |
| 2°C | 35.6°F | Very cold day |
| 5°C | 41°F | Cold, coat weather |
| 10°C | 50°F | Chilly autumn morning |
| 20°C | 68°F | Comfortable room temperature |
| 25°C | 77°F | Warm, pleasant day |
| 37°C | 98.6°F | Normal body temperature |
| 50°C | 122°F | Dangerously hot |
| 100°C | 212°F | Water boiling point |
Other Ways People Ask This Question
People search for temperature conversions in many different ways. Here is what each common phrasing usually means:
- "°C to °F" — the shorthand version of the same conversion, using the degree symbols.
- "convert body temperature to Fahrenheit" — usually means converting 36–37.5°C, the normal human range.
- "oven temperature in Fahrenheit" — recipes from the US use °F; European recipes use °C. A 180°C oven is 356°F.
- "weather temperature conversion" — checking a forecast from another country. A hot summer day of 30°C is 86°F.
- "Fahrenheit to Celsius" — the reverse direction; use the second formula above or swap the units in the calculator.
Quick Tips and Common Mistakes
- Don't skip the +32. The most common hand-calculation mistake is multiplying by 1.8 but forgetting to add 32 at the end.
- Negative temperatures work too. Just enter a minus sign before the number. −10°C = 14°F.
- The scales meet at −40°. −40°C and −40°F are exactly the same temperature — the only point where both scales agree.
- Quick mental shortcut: Double the Celsius value and add 30 for a rough estimate. Not exact, but close enough for a weather check. (Example: 20°C → 20 × 2 + 30 = 70°F. Actual answer: 68°F.)
- Cooking conversions: Most home ovens in the US go up to 500°F (260°C). Always double-check a recipe conversion before baking.
Everything is calculated entirely in your browser. No number you type is sent to any server — your data stays on your device.
Use the converter at the top of the page whenever you need a fast, accurate temperature conversion — no formula to remember, no maths to do by hand.