Convert degrees Fahrenheit to kelvin

Fahrenheit (°F) to Kelvin (K). One Fahrenheit equals 255.93 kelvin.

1 °F =255.93K (kelvin)

Formula

K = (°F − 32) × 5/9 + 273.15

Fahrenheit to Kelvin conversion table

Degrees FahrenheitKelvinKelvinDegrees Fahrenheit
1 °F255.93 K1 K-457.87 °F
2 °F256.48 K2 K-456.07 °F
3 °F257.04 K3 K-454.27 °F
5 °F258.15 K5 K-450.67 °F
10 °F260.93 K10 K-441.67 °F
20 °F266.48 K20 K-423.67 °F
50 °F283.15 K50 K-369.67 °F
100 °F310.93 K100 K-279.67 °F
500 °F533.15 K500 K440.33 °F
1000 °F810.93 K1000 K1340.33 °F

Converting degrees Fahrenheit to kelvin means moving between two temperature scales that start at different points, so UnitGlide uses the exact Fahrenheit-to-Kelvin formula instead of a simple multiplier. Enter any Fahrenheit reading above and the matching Kelvin value appears instantly. For example, 68 °F equals 293.15 K. Because each scale has its own zero and step size, small input changes can shift the result in ways a plain ratio would get wrong, which is why the formula matters. This temperature converter runs entirely in your browser, so you can check readings for cooking, weather, science or travel without sending anything to a server. The two-way table below lists common Fahrenheit values already converted to kelvin, and back again, so you can scan for the number you need at a glance.

Frequently asked questions

How many kelvin are in a Fahrenheit?

One Fahrenheit equals 255.93 kelvin. Temperature scales convert by formula rather than a fixed ratio, so this holds at that specific reading.

What is the formula to convert degrees Fahrenheit to kelvin?

Use K = (°F − 32) × 5/9 + 273.15. UnitGlide applies this exact formula for every value, so results stay accurate across the whole range.

How do I convert kelvin back to degrees Fahrenheit?

Reverse the scale using the Kelvin-to-Fahrenheit formula, or just press the swap button in the converter above to flip the direction instantly. One Kelvin corresponds to -457.87 degrees Fahrenheit at that point.

Is this Fahrenheit to Kelvin converter accurate?

Yes. It uses the standard SI temperature scale formulas, and all math runs in your browser so nothing is rounded away on a server. For everyday use the displayed precision is more than enough.

Related conversions

Embed this converter or use the API

Put this converter on your own site, or call the free JSON API. Full documentation is on the developers page.

Embed (iframe)

<iframe src="https://unitglide.net/embed/f-to-k" width="360" height="200"
        style="border:1px solid #e2e6ec;border-radius:12px"
        title="Fahrenheit to Kelvin converter"></iframe>
<p><a href="https://unitglide.net/convert/f-to-k">Fahrenheit to Kelvin Converter</a> by UnitGlide</p>

API

https://unitglide.net/api/convert?from=f&to=k&value=1