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Temperature Converter

Convert Fahrenheit to Kelvin.

Input the value of fahrenheit below to convert instantly to kelvin with standard conversions, definitions, and equations.

Temperature Converter
°F
K
(°F - 32) × 5/9 + 273.15 = K Convert Fahrenheit to Celsius first, then add 273.15 to get Kelvin.

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How to Convert Fahrenheit to Kelvin

To convert fahrenheit to kelvin, we use the official conversion formulas. Below is the mathematical formula, plain-English explanation, and a worked example.

fahrenheit-to-kelvin-formula.py
# Mathematical Formula
(°F - 32) × 5/9 + 273.15 = K
# Worked Example (5 °F)
(5 °F - 32) × 5/9 + 273.15 = 258.1500 K
What is a Fahrenheit?

Fahrenheit (°F)

Temperature scale primarily used in the US, where water freezes at 32°F and boils at 212°F.

What is a Kelvin?

Kelvin (K)

The SI unit of thermodynamic temperature, starting at absolute zero (0 K = -273.15°C).

Fahrenheit to Kelvin Conversion Table

Fahrenheit (°F) Kelvin (K)
1 °F 255.92778 K
2 °F 256.48333 K
3 °F 257.03889 K
5 °F 258.15 K
10 °F 260.92778 K
15 °F 263.70556 K
20 °F 266.48333 K
25 °F 269.26111 K
50 °F 283.15 K
100 °F 310.92778 K
250 °F 394.26111 K
500 °F 533.15 K
1000 °F 810.92778 K

Kelvin to Fahrenheit Conversion Table

Kelvin (K) Fahrenheit (°F)
1 K -457.87 °F
2 K -456.07 °F
3 K -454.27 °F
5 K -450.67 °F
10 K -441.67 °F
15 K -432.67 °F
20 K -423.67 °F
25 K -414.67 °F
50 K -369.67 °F
100 K -279.67 °F
250 K -9.67 °F
500 K 440.33 °F
1000 K 1340.33 °F
Questions

Frequently Asked Questions

How do I convert fahrenheit to kelvin?

Multiply the value in fahrenheit by the conversion factor 255.927778. For example, to convert 5 fahrenheit to kelvin: 5 × 255.927778 = 1279.6389 K.

What is the conversion factor from fahrenheit to kelvin?

The conversion factor is 255.927778. One fahrenheit is equal to 255.927778 kelvin.

What is the reverse conversion from kelvin to fahrenheit?

To convert kelvin back to fahrenheit, multiply by -4.578700e+2 (or divide the value by 255.927778). One kelvin is equal to -4.578700e+2 fahrenheit.

What temperature is absolute zero in Celsius?

Absolute zero is exactly -273.15°C, or 0 Kelvin.

How do you convert Celsius to Fahrenheit?

Multiply the Celsius temperature by 9/5 (1.8) and then add 32. For example, 10°C is (10 * 1.8) + 32 = 50°F.

At what temperature do Celsius and Fahrenheit meet?

Celsius and Fahrenheit are equal at exactly -40° (i.e. -40°C = -40°F).

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