Temperature Converter
Convert between Celsius, Fahrenheit, Kelvin and Rankine.
How It Works
Enter a value
Type the amount you want to convert into the From field.
Pick your units
Choose the source unit and the target temperature unit from the dropdowns.
Read the result
The converted value appears instantly, plus a table of all other units.
The Temperature Converter instantly converts between 4 different temperature units. Convert between Celsius, Fahrenheit, Kelvin and Rankine. All calculations happen locally in your browser, so conversions are immediate and your data never leaves your device.
Need a different measurement? Browse the full set of converters — length, weight, volume, temperature, speed, area, pressure, energy, power, data and more — from the unit converter hub.
Frequently Asked Questions
How do I convert celsius to fahrenheit?
Enter a value in the "From" box, make sure the unit is set to Celsius, then choose Fahrenheit in the "To" box. The converted result appears instantly, along with the value expressed in every other temperature unit.
What temperature units are supported?
This converter supports 4 units: Celsius, Fahrenheit, Kelvin, Rankine.
Is the Temperature converter free and accurate?
Yes. It is completely free, requires no sign-up, and runs entirely in your browser using internationally standardized conversion factors, so results are accurate to many significant figures.
What are the temperature conversion formulas?
°F = °C × 9/5 + 32; °C = (°F − 32) × 5/9; K = °C + 273.15; °R = (°F + 459.67). All values are converted internally through Kelvin.
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