Temperature converter: °C ⇄ °F ⇄ K
A temperature converter tuned for cooling shoppers: instant °C, °F and Kelvin conversion, plus the comfort reference points that turn spec-sheet claims into “will I actually feel this?”.
Exact formulas: °F = °C × 9/5 + 32 · K = °C + 273.15.
Comfort reference points
| 18–22°C / 64–72°F | Typical sleep-comfort band |
|---|---|
| 23–26°C / 73–79°F | Daytime comfort band in most standards |
| +4–10°C drop | Evaporative outlet-air claims, best case in dry air |
| 10–12°C drop | Coolzy-class refrigerated stream vs room air (stated) |
Sizing a room instead of a stream? That is the BTU calculator’s job.
Frequently asked questions
What formulas does the temperature converter use?
The exact ones: °F = °C × 9/5 + 32; K = °C + 273.15. This temperature converter applies them instantly in both directions with no rounding tricks.
What indoor temperature counts as comfortable?
Most standards put summer comfort around 23–26°C (73–79°F) and sleep comfort a notch cooler, ~18–22°C (64–72°F) — the targets worth sizing equipment against.
How much can an evaporative cooler lower air temperature?
Claims in the class run 4–10°C (7–18°F) of outlet-air drop, entirely humidity-dependent — dry air delivers the top of that range, muggy air almost none. Context in our explainer.