Convert Celsius to Kelvin
Convert celsius to kelvin instantly. Type a value below, check the formula and table, then see how the same °C to K conversion looks as a single line in Notes Calculator.
In Notes Calculator, type 25 celsius to kelvin and the answer appears as you type.
Celsius to Kelvin formula
Celsius and kelvin do not share a zero point, so the conversion is a formula rather than a single factor: K = °C + 273.15. For the reverse, use the Kelvin to Celsius converter.
Celsius to Kelvin conversion table
| Celsius (°C) | Kelvin (K) |
|---|---|
| -40 | 233.15 |
| -20 | 253.15 |
| 0 | 273.15 |
| 10 | 283.15 |
| 20 | 293.15 |
| 25 | 298.15 |
| 30 | 303.15 |
| 37 | 310.15 |
| 40 | 313.15 |
| 50 | 323.15 |
| 100 | 373.15 |
Celsius to Kelvin in Notes Calculator
Notes Calculator is a notepad that does math. Write 25 celsius to kelvin on any line and the answer appears beside it. Change the number and the result follows. The same works with in and as, and with values stored in variables, so a whole estimate can mix celsius and kelvin without a separate converter.
| Note | Result |
|---|---|
| 25 celsius to kelvin | 298.15 K |
| 25 celsius in kelvin | 298.15 K |
| 10 kelvin as celsius | -263.15 °C |
See the unit conversion docs for mixing units in one expression, or open the free web app and try it.
Notes Calculator is a notepad calculator for the web and a calculator app for Mac, Windows, Linux, iOS and Android.
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FAQ
Frequently asked questions
How to convert celsius to kelvin?
10 °C is 283.15 K. The relationship is not a simple ratio, so use the formula K = °C + 273.15 or the converter above.
1 degree celsius is equal to how much kelvin?
1 °C is 274.15 K. That is the result Notes Calculator prints for 1 celsius to kelvin with its default two-decimal setting.
How to convert kelvin to celsius?
10 K is -263.15 °C. The relationship is not a simple ratio, so use the formula °C = K − 273.15 or the converter above.
How do I convert celsius to kelvin in Notes Calculator?
Type the value, the unit, and the target unit on one line: 25 celsius to kelvin. The keywords to, in, and as all work, and the result updates as you type. You can also keep the value in a variable and convert it later.
Is this celsius to kelvin converter free?
Yes. The converter on this page is free, and Notes Calculator has a free plan for the web, Mac, Windows, Linux, Android, and iOS with the same unit conversions built in.
Convert celsius to kelvin without leaving your notes.
Notes Calculator is free to start and runs in your browser. Units, currencies, percentages, and variables in one plain-text notepad.
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