Temperature Difference Converter
Convert temperature changes and intervals — not absolute readings — between Celsius, Fahrenheit, and Kelvin.
Convert a temperature change or interval between Celsius, Fahrenheit, and Kelvin the right way. Regular converters add the freezing-point offset, which gives the wrong answer when you're talking about how much a temperature rose or fell rather than what it reads. This tool converts degree size only, and renders a live side-by-side scale bar across a 50°C range so you can see how tightly each scale's divisions are spaced.
도구를 불러오는 중…
🔒 Everything runs 100% in your browser. Your files and input are never uploaded to any server.
How to use
- Enter your temperature change into any of the fields — Δ°C, Δ°F, or ΔK.
- Or drag the slider to set a Celsius change anywhere from 0 to 50°C.
- Compare the converted interval in each unit and check the scale bar showing how the three temperature scales line up.
FAQ
- Why doesn't this match a regular temperature converter?
- A regular converter adds the freezing-point offset — 0°C maps to 32°F. Interval conversion uses only the ratio of degree sizes. So while 10°C by itself is 50°F, a rise of 10°C is a rise of 18°F. Different question, different math.
- Why is a Celsius change the same as a Kelvin change?
- Kelvin just moves the zero point down to absolute zero (-273.15°C). The size of one degree is defined identically to Celsius, so any change of 1°C is a change of exactly 1 K.
- Why doesn't the Fahrenheit result often come out as a clean whole number?
- Because a change of 1°C equals a change of 1.8°F (9/5). So unless your Celsius input happens to be a multiple of 5, the Fahrenheit result landing on a decimal isn't a bug — it's just the conversion ratio doing its job.