Rankine to Celsius (°R → °C)
Convert rankine to celsius instantly. The conversion factor is approximate to engineering precision.
Realtime·temperature·us
Approx
°R
f(x)
°C
-272.5944
Precision [auto]
6
📐°R to °C formulaApprox.
°C = (°R × 0.555555555556 + 0 − 273.15) ÷ 1
Inverse: °R = (°C × 1 + 273.15 − 0) ÷ 0.555555555556
Worked example: Affine map with offset; use the converter for a numeric value.
ℹ️About these units
Rankine (°R)
US engineering, especially thermodynamics.
Celsius (°C)
Used worldwide for weather and everyday temperature.
📊Reference table: °R → °C
| Rankine (°R) | Celsius (°C) |
|---|---|
| -40 | -295.3722 |
| -30 | -289.8167 |
| -20 | -284.2611 |
| -10 | -278.7056 |
| 0 | -273.15 |
| 5 | -270.3722 |
| 10 | -267.5944 |
| 15 | -264.8167 |
| 20 | -262.0389 |
| 25 | -259.2611 |
| 30 | -256.4833 |
| 35 | -253.7056 |
| 40 | -250.9278 |
| 50 | -245.3722 |
| 60 | -239.8167 |
| 70 | -234.2611 |
| 80 | -228.7056 |
| 90 | -223.15 |
| 100 | -217.5944 |
Want a downloadable CSV? Append ?format=csv to the API /api/v1/table endpoint.
🔁Reverse & related
🔌API & widget
GET https://convertnavi.com/api/v1/convert?value=10&from=rankine&to=celsiusEmbed this converter
<div data-convertnavi="rankine->celsius"></div>
<script async src="https://convertnavi.com/embed.js"></script>