309°F to Celsius
309°F is 153.9°C (427.04 K). 309°F equals about 153.9°C. This temperature is a moderate baking temperature — often used for casseroles, slow roasting, and recipes that need even heat.
Fahrenheit to Celsius
Instant two-way conversion with Kelvin and a live scale.
°F
Type to convert · Enter copies · Ctrl/⌘S swaps
Celsius°C
153.9°C
Celsius
153.9 °C
Fahrenheit
309.0 °F
Kelvin
427.0 K
Formula · worked example
°C = (309 − 32) × 5/9 = 153.9
Worked example
°C = (309 − 32) × 5/9 = 153.9
Context: moderate oven setting. Reverse lookup: 153.9°C to Fahrenheit.
Nearby Fahrenheit values
Quick hops around 309°F
More tools: Fahrenheit to Celsius · Celsius to Fahrenheit · Body temperature