C↔F ToolCelsius ↔ Fahrenheit

-7°F to Celsius

-7°F is -21.7°C (251.48 K). -7°F equals about -21.7°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
-21.7°C

Celsius

-21.7 °C

Fahrenheit

-7.0 °F

Kelvin

251.5 K

Formula · worked example

°C = (-7 − 32) × 5/9 = -21.7

Worked example

°C = (-7 − 32) × 5/9 = -21.7

Context: severe winter cold. Reverse lookup: -21.7°C to Fahrenheit.

Nearby Fahrenheit values

Quick hops around -7°F

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