180° Rankine to Celsius

180°R = -173.15°C

Formula: C = (R − 491.67) × 5/9

Rankine to Celsius Converter

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How hot is 180°R?

180°R (-173°C) is colder than any natural place on Earth — an extreme cryogenic temperature near absolute zero.

What does 180°R look like?

Colder than any natural place on Earth — an extreme cryogenic temperature near absolute zero
180°R (-173°C) is colder than any natural place on Earth — an extreme cryogenic temperature near absolute zero.

180°R on the Celsius scale

°R0100.0200.0300.0400.0500.0°C-250.0-200.0-150.0-100.0-500

180.0°R = -173.2°C

How to Convert Rankine to Celsius

The formula is:

C = (R − 491.67) × 5/9

Example: 180° Rankine = -173.15° Celsius

About these units

Rankine: The degree Rankine (°R) is an absolute temperature scale using Fahrenheit-sized increments.

Celsius: The degree Celsius (°C) is the SI-derived unit of temperature. It is defined so that 0 °C = 273.15 K exactly, with the same unit increment as the kelvin.

Frequently Asked Questions

What is 180°R in Celsius?

180°R equals -173.15°C. The formula is: C = (R − 491.67) × 5/9.

What does 180 degrees Rankine look like in degrees Celsius?

180 degrees Rankine equals -173.15 degrees Celsius, a conversion used in various practical applications.

How do you calculate 180°R to Celsius?

Use the formula: C = (R − 491.67) × 5/9. Applying it: 180°R = -173.15°C.

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180 degrees Rankine = -173.15 degrees Celsius
180 degrees Rankine = -173.15 degrees Celsius — conversion chart

Nearby Conversions

170 degrees Rankine-178.7 degrees Celsius 171 degrees Rankine-178.2 degrees Celsius 172 degrees Rankine-177.6 degrees Celsius 173 degrees Rankine-177 degrees Celsius 174 degrees Rankine-176.5 degrees Celsius 175 degrees Rankine-175.9 degrees Celsius 176 degrees Rankine-175.4 degrees Celsius 177 degrees Rankine-174.8 degrees Celsius 178 degrees Rankine-174.3 degrees Celsius 179 degrees Rankine-173.7 degrees Celsius 181 degrees Rankine-172.6 degrees Celsius 182 degrees Rankine-172 degrees Celsius 183 degrees Rankine-171.5 degrees Celsius 184 degrees Rankine-170.9 degrees Celsius 185 degrees Rankine-170.4 degrees Celsius 186 degrees Rankine-169.8 degrees Celsius 187 degrees Rankine-169.3 degrees Celsius 188 degrees Rankine-168.7 degrees Celsius 189 degrees Rankine-168.2 degrees Celsius 190 degrees Rankine-167.6 degrees Celsius

Temperature conversion chart

To Fahrenheit To Celsius To Kelvin
From Fahrenheit (F) F (F - 32) × 5/9 (F - 32) × 5/9 + 273.15
From Celsius (C or o) (C × 9/5) + 32 C C + 273.15
From Kelvin (K) (K - 273.15) × 9/5 + 32 K - 273.15 K

For general conversions between Rankine and Celsius, see the Rankine to Celsius converter.

All unit conversions on CoolConversion use conversion factors defined or documented by internationally recognised standards bodies (such as ISO and NIST), including both SI and non-SI units.

Conversion factors verified against NIST, BIPM, ITS-90 (International Temperature Scale) Defined by the absolute thermodynamic scale (Kelvin). Last reviewed: March 2026
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