Celsius to Fahrenheit

Convert celsius (°C) to fahrenheit (°F) instantly — with formula and reference table.

°C
°F

Quick answer: 1 °C = 33.8 °F. To convert celsius to fahrenheit, apply °C × 1.8 + 32.

Converting celsius to fahrenheit

This converter changes a value in celsius (°C) into fahrenheit (°F). One celsiu equals 33.8 °F. The Celsius and Fahrenheit scales meet at −40°, where both read the same number. Water freezes at 0 °C / 32 °F and boils at 100 °C / 212 °F at sea level. The conversion runs entirely in your browser — enter a value and the result updates instantly, in either direction.

Formula

°F = °C × 1.8 + 32

Example

Convert 25 °C to °F: 25 × 1.8 + 32 = 77 °F.

Celsius to Fahrenheit conversion table

Celsius (°C)Fahrenheit (°F)
1 °C33.8 °F
2 °C35.6 °F
3 °C37.4 °F
5 °C41 °F
10 °C50 °F
20 °C68 °F
25 °C77 °F
50 °C122 °F
100 °C212 °F

How to use this converter

  1. Enter a value in the celsius (°C) field.
  2. Read the converted value in fahrenheit (°F) below.
  3. Type into the °F field instead to convert in reverse, or use the swap button.

Frequently asked questions

How do I convert Celsius to Fahrenheit?

Multiply the Celsius temperature by 9/5 (1.8) and add 32. °F = °C × 1.8 + 32.

What is 37 °C in Fahrenheit?

37 × 1.8 + 32 = 98.6 °F — normal human body temperature.

At what temperature are Celsius and Fahrenheit equal?

At −40°. −40 °C = −40 °F, the only point where the two scales coincide.

Last updated: 2026-05-24 Free · No signup · Works offline Suggest an improvement