MEASUREMENT AND PRACTICAL CONVERSIONS

Temperature Converter

Convert temperature between Fahrenheit, Celsius, and Kelvin.

Enter your details

Change any assumption, then calculate your estimate.

Free to use

Review your result

Your result

Ready when you are.

Enter your values and select Calculate. Your result stays on this device.

How it works

°C = (°F − 32) × 5/9; °F = °C × 9/5 + 32; K = °C + 273.15.

Assumptions

Values below absolute zero are not physically valid.

Use case

temperature converter: a clear planning check

Convert temperature between Fahrenheit, Celsius, and Kelvin. The stated formula, assumptions, and result limits remain visible so the calculation can be checked in context.

Use a clear temperature converter scenario with values you can verify before relying on the result.

Source and update

Last reviewed: 2026-08-08

NIST Guide for the Use of the International System of Units

Keep exploring

Related calculators

View category
Conversions & Practical ToolsLength ConverterConvert inches, feet, yards, miles, centimeters, and meters.Conversions & Practical ToolsWeight ConverterConvert pounds, ounces, kilograms, grams, and tons.Conversions & Practical ToolsArea ConverterConvert square feet, acres, square meters, and hectares.