135° Rankine to Celsius

135°R = -198.15°C

Formula: C = (R − 491.67) × 5/9

Rankine to Celsius Converter

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How hot is 135°R?

135°R (-198°C) is colder than any natural place on Earth — an extreme cryogenic temperature near absolute zero.

What does 135°R look like?

Colder than any natural place on Earth — an extreme cryogenic temperature near absolute zero
135°R (-198°C) is colder than any natural place on Earth — an extreme cryogenic temperature near absolute zero.

135°R on the Celsius scale

°R050100.0150.0200.0°C-260.0-240.0-220.0-200.0-180.0

135.0°R = -198.2°C

How to Convert Rankine to Celsius

The formula is:

C = (R − 491.67) × 5/9

Example: 135° Rankine = -198.15° 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 135°R in Celsius?

135°R equals -198.15°C. The formula is: C = (R − 491.67) × 5/9.

What does 135 degrees Rankine look like in degrees Celsius?

135 degrees Rankine equals -198.15 degrees Celsius, a conversion used in various practical applications.

How do you calculate 135°R to Celsius?

Use the formula: C = (R − 491.67) × 5/9. Applying it: 135°R = -198.15°C.

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135 degrees Rankine = -198.15 degrees Celsius
135 degrees Rankine = -198.15 degrees Celsius — conversion chart

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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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