How to convert it
- Add 273.15: -15 + 273.15 = 258.15 K.
- Result: -15 °C ≈ 258.15 K.
K = C + 273.15
In Fahrenheit that is 5 °F.
That is below the freezing point of water (0 °C / 32 °F), so expect ice and frost.
Temperature
-15 °C to K
Quick answer, the exact math, and nearby values. Need a different number? Use the Celsius to Kelvin Converter.
Nearby values
| Value | Result |
|---|---|
| -45 °C to K | -45 °C = 228.15 K |
| -40 °C to K | -40 °C = 233.15 K |
| -35 °C to K | -35 °C = 238.15 K |
| -30 °C to K | -30 °C = 243.15 K |
| -25 °C to K | -25 °C = 248.15 K |
| -20 °C to K | -20 °C = 253.15 K |
| -15 °C to K | -15 °C = 258.15 K |
| -10 °C to K | -10 °C = 263.15 K |
| -5 °C to K | -5 °C = 268.15 K |
| 0 °C to K | 0 °C = 273.15 K |
| 1 °C to K | 1 °C = 274.15 K |
| 2 °C to K | 2 °C = 275.15 K |
| 3 °C to K | 3 °C = 276.15 K |
Frequently asked questions
What is -15 °C to K?
-15 °C = 258.15 K (about 258 kelvin).
How is it calculated?
Add 273.15: -15 + 273.15 = 258.15 K. Result: -15 °C ≈ 258.15 K.
Conversion factors follow: NIST Special Publication 811 — Guide for the Use of the International System of Units (SI); BIPM — The International System of Units (SI Brochure, 9th edition).