Temperature Converter

Instantly convert temperatures between Celsius, Fahrenheit, kelvin, Rankine, and four historical scales.

No upload

Input

All conversions run in your browser. Your input is not uploaded.

Use a comma or period as the decimal separator; do not use thousands separators.

Current & technical scales

degree Celsius (°C)
Source scale
0
degree Fahrenheit (°F)
32
kelvin (K)
273.15
degree Rankine (°R)
491.67

Historical scales

degree Réaumur (°Ré)
0
degree Rømer (°Rø)
7.5
degree Delisle (°De)
150
degree Newton (°N)
0

How it works

Step by step

  1. 1

    Choose value and unit

    Enter the source value and choose the matching unit. Conversion starts automatically.

Features

Convert temperatures locally

Convert Celsius, Fahrenheit, Kelvin, Rankine, and historical scales directly in the browser without upload or server processing.

All results at a glance

After input, matching target values are shown immediately in multiple units.

Frequently asked questions

Are inputs uploaded?

No. Conversion runs entirely locally in the browser.

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