Celsius to Fahrenheit Converter
Convert Celsius (°C) to Fahrenheit (°F). Results update as you type, with a conversion table and the formula below.
1 °C =
33.8 °F
°C to °F conversion table
| °C | °F |
|---|---|
| 1 | 33.8 |
| 2 | 35.6 |
| 3 | 37.4 |
| 4 | 39.2 |
| 5 | 41 |
| 6 | 42.8 |
| 7 | 44.6 |
| 8 | 46.4 |
| 9 | 48.2 |
| 10 | 50 |
| 15 | 59 |
| °C | °F |
|---|---|
| 20 | 68 |
| 25 | 77 |
| 30 | 86 |
| 40 | 104 |
| 50 | 122 |
| 60 | 140 |
| 70 | 158 |
| 80 | 176 |
| 90 | 194 |
| 100 | 212 |
How to use
- Type the °C value to convert.
- The result appears instantly in °F; the swap button reverses direction.
- For common values, check the conversion table below.
Frequently asked questions
How many °F is 1 °C?+
Temperature isn't proportional — it follows the formula °F = °C × 9/5 + 32. Example: 25 °C → 25 × 1.8 + 32 = 77 °F.
How accurate are the results?+
The math uses internationally standardized definitions; only the display is rounded to significant digits. Accurate enough for school, work and daily life.
How do I convert °F back to °C?+
Hit the swap arrows in the middle of the converter above — the direction flips and your value is kept.
Is it really free?+
Yes. No sign-up, no install, no usage limits. The site is ad-supported.
Unit guide
The formula
°F = °C × 9/5 + 32. Example: 25 °C → 25 × 1.8 + 32 = 77 °F.
Celsius and Fahrenheit place zero differently (water freezes at 0 °C = 32 °F), so the conversion needs both a multiply and an offset. The converter above applies this exact formula.
When is this conversion needed?
Useful for foreign weather forecasts, oven temperatures in recipes, US travel and science material.