Temperature Converter
Celsius to Fahrenheit and Kelvin, instantly. Live results plus freezing and boiling reference points.
1 °C = 33.8 °F
All units
| Celsius (°C) | 1 |
|---|---|
| Fahrenheit (°F) | 33.8 |
| Kelvin (K) | 274.15 |
Common conversions
This tool runs entirely in your browser. Your data never leaves your device — it is not uploaded to any server.
How to use
- 1Type the amount you want to convert.
- 2Pick the unit you are converting from and the unit you are converting to.
- 3The result updates as you type — check the table below for every unit at once, or copy the result.
Temperature Converter
Convert Celsius, Fahrenheit and Kelvin in one step. Unlike linear units, temperature scales need offset formulas — this tool applies them correctly, including below-zero values.
Good for recipes with foreign oven settings, weather reports, lab work and HVAC specifications.
It supports 3 units — Celsius, Fahrenheit, Kelvin and more. Everything is calculated in your browser, works offline, and your data never touches a server.
Frequently asked questions
How do you convert Celsius to Fahrenheit?
Multiply by 9, divide by 5, then add 32: °F = °C × 9⁄5 + 32. For example, 20 °C = 68 °F. The tool does this for you and shows Kelvin too.
What temperature are Fahrenheit and Celsius equal?
At −40 degrees: −40 °C = −40 °F. Enter −40 and switch the units to see it.
Is this converter free?
Yes — it runs entirely in your browser. There are no limits, no ads on results and no sign-up.
How accurate are the conversions?
Conversion factors follow international standard definitions (SI and NIST). Results are shown with up to 8 significant digits.
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Put this tool on your own site with one line — it runs entirely in the visitor's browser.
<iframe src="https://zoyku.com/en/tools/temperature-converter?embed=1" width="100%" height="640" style="border:0;border-radius:16px" title="Zoyku — temperature-converter" loading="lazy"></iframe>