C↔F ToolCelsius ↔ Fahrenheit

-11°F to Celsius

-11°F is -23.9°C (249.26 K). -11°F equals about -23.9°C. This temperature is severe winter cold. Frostbite risk rises quickly outdoors; many cars and batteries struggle at this temperature.

Fahrenheit to Celsius

Instant two-way conversion with Kelvin and a live scale.

°F

Type to convert · Enter copies · Ctrl/⌘S swaps

Celsius°C
-23.9°C

Celsius

-23.9 °C

Fahrenheit

-11.0 °F

Kelvin

249.3 K

Formula · worked example

°C = (-11 − 32) × 5/9 = -23.9

Worked example

°C = (-11 − 32) × 5/9 = -23.9

Context: severe winter cold. Reverse lookup: -23.9°C to Fahrenheit.

Nearby Fahrenheit values

Quick hops around -11°F

More tools: Fahrenheit to Celsius · Celsius to Fahrenheit · Body temperature