Everyday calculator

Temperature Converter

Enter a temperature and select the source and target scales.

Calculated privately on your device
No account. Formula and assumptions are shown below.

Calculator inputs

Temperature converter details

Formula & disclaimer

°F = °C × 9 ÷ 5 + 32; K = °C + 273.15

View assumptions

Formula reviewCalcs at Hand Editorial TeamVerified 31 August 2026 · automated checks included

Three useful checks, kept deliberately short.

What this result includes

0°C equals 32°F.

A practical example

Convert 0°C to Fahrenheit: Multiply Celsius by 9/5 · Add 32 · Display the target scale.

Common input mistake

Inputs below absolute zero are rejected.

°F = °C × 9 ÷ 5 + 32; K = °C + 273.15

The calculator converts through kelvin internally.

Keep in mind: Scientific work may require uncertainty, calibration and more significant figures.

Produced byCalcs at Hand Editorial Team

Last formula check31 August 2026

Review methodKnown examples + boundary cases