Conversions

Temperature: °F and °C Calculator

Converts between Fahrenheit and Celsius.

Reviewed by Alex G, BSN, RN, CEN, CCRN, CMC, NREMT-P · From the Reference tab of the app

Turn on JavaScript to use this calculator, or open it in the web app.

Formula

°C = (°F − 32) × 5 ÷ 9
°F = °C × 9 ÷ 5 + 32

How it is used

• Reference points: 37 °C = 98.6 °F, 38 °C = 100.4 °F (fever), 40 °C = 104 °F, 35 °C = 95 °F (hypothermia).

Same formula as the app. Open it in the web app.

Related calculators

• Length: Inches and Centimeters
• Weight: Pounds and Kilograms

For education and exam preparation only. Follow your institution’s protocols. For education and exam preparation only. Verify results independently and follow your local protocols and medical direction. Not a substitute for clinical judgment.