Temperature Converter

Convert a temperature between Celsius, Fahrenheit and other supported scales. Enter your own values below to see converted temperature and check the method behind it.

All calculators

Your inputs

Change the example values to match your situation.

Your result

Let’s work it out.

Fill in your inputs and select Calculate.
Your result and breakdown will appear here.

How this calculator works

°F = °C × 9/5 + 32. Kelvin = °C + 273.15.

KEEP EXPLORING

View category
Length ConverterArea ConverterVolume ConverterWeight ConverterSpeed ConverterPressure Converter

What is Temperature Converter?

Temperature Converter helps you convert a temperature between Celsius, Fahrenheit and other supported scales.

The main result is converted temperature. The formula, example and assumptions below explain how to interpret it.

How to use Temperature Converter

Use the example to get familiar with the form, then enter your own figures. Any rates in the example are illustrative. Check the field labels and units before calculating.

  1. Gather temperature, from and to. Use values from the same situation or reporting period.
  2. Replace the example temperature with your own value, then complete the other fields. Check the displayed units and each selected option.
  3. Select Calculate and read converted temperature. Change one input and calculate again to compare a second scenario. Reset restores the original example.
  • Enter temperature, at least -1000000. Decimals are accepted.
  • Choose from from Celsius, Fahrenheit and Kelvin.
  • Choose to from Celsius, Fahrenheit and Kelvin.

Temperature Converter: a worked example

With the inputs below, the result is 77 °F (converted temperature). Follow the example, then replace these illustrative values with your own.

Example inputs and output
Input or outputExample value
Temperature25
FromCelsius
ToFahrenheit
Converted temperature77 °F

Understanding the Temperature result

The main output is converted temperature, expressed in °F. It applies to the inputs and operation you selected.

Displayed results use a readable number of decimal places. When checking a result by hand, keep extra precision until the last step. To compare scenarios, change one input at a time and keep the others fixed.

Temperature Converter: assumptions and common mistakes

A useful estimate starts with the right inputs. Check the following assumptions and limits before applying the result to your situation.

  • Select the correct unit system. US and imperial gallons differ, local land units vary, and exchange rates need a dated source.

For wider guidance, visit NIST measurement units. The formula and scope of this specific tool are stated on this page.

Temperature Converter FAQs

What does Temperature Converter calculate?

Temperature Converter helps you convert a temperature between Celsius, Fahrenheit and other supported scales. Its main output is converted temperature in °F.

What inputs do I need for Temperature Converter?

You need temperature, from and to. Use the field labels and units to match your figures to the formula.

Which formula does Temperature Converter use?

°F = °C × 9/5 + 32. Kelvin = °C + 273.15.

What is a worked example for Temperature Converter?

Example inputs: Temperature: 25; From: Celsius; To: Fahrenheit. The result is 77 °F (converted temperature).

How should I enter temperature?

Enter temperature, at least -1000000. Decimals are accepted.

How do I choose from?

Choose from from Celsius, Fahrenheit and Kelvin. The example uses Celsius; replace it if your circumstances differ.

How should I read converted temperature?

The main output is converted temperature, expressed in °F. It applies to the inputs and operation you selected.

Why might my Temperature Converter result differ from my records?

Select the correct unit system. US and imperial gallons differ, local land units vary, and exchange rates need a dated source. Differences in entered values, units or rounding can also change the comparison.

Can I compare two scenarios in Temperature Converter?

Yes. Note your first converted temperature, change temperature or another input, and select Calculate again. Editing a field clears the old result so it is not mistaken for a new calculation.

Is Temperature Converter free, and where are my inputs calculated?

This calculator is free to use without signing in. Its formula runs in your browser; calculator inputs are not sent to a calculation API. The inputs reset to the example values when you reset the form or start a fresh page.