Temperature Converter

Convert temperatures between Celsius, Fahrenheit and Kelvin with correct affine formulas.

InputsChange a value to recalculate instantly

Temperature

ResultUpdates as you type

Celsius20 °C

Fahrenheit68 °F

Kelvin293.15 K

How it worksTransparent math

Formula°F=°C×9/5+32; K=°C+273.15

Celsius, Fahrenheit and Kelvin require both scale and offset, so temperature conversion is not a simple multiplier.

Result breakdownSee the important numbers together

1Celsius20 °C

2Fahrenheit68 °F

3Kelvin293.15 K

λ DooMathWork with this calculation

Local · deterministic · optional

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Quick mathNatural-language-style shortcuts for deterministic arithmetic.

Calculator guide

How to use the Temperature Converter

Convert temperatures between Celsius, Fahrenheit and Kelvin with correct affine formulas.

01Set inputsChoose values, units and assumptions.

02Apply the model°F = °C×9/5+32; K = °C+273.15

03Read the resultCheck the output against the assumptions before using it.

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Convert temperatures between Celsius, Fahrenheit and Kelvin with correct affine formulas.

functions

°F = °C×9/5+32; K = °C+273.15

fact_check

Review the inputs, units and assumptions before using the result for a real decision.