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Oven Temperature Converter — °F °C Gas Mark + Air Fryer

Last updated: June 2, 2026

🌡️ Oven Temperature Converter

Convert between °F, °C, Gas Mark, and Air Fryer temperature — instantly. Includes a full oven temperature reference chart.

°F → °CGas Mark+ Air Fryer
Common temps:
Fahrenheit
Celsius
Gas Mark
⚡ Air Fryer
Common Temperature Conversions

What is 350°F in Celsius?

350°F = 177°C (rounded to 175°C on most European ovens). Gas Mark 4. Moderate oven. Used for most cakes, cookies, and casseroles. Air fryer equivalent: 325°F (163°C).

What is 400°F in Celsius?

400°F = 200°C (Gas Mark 6). Hot oven. Used for roasting vegetables, chicken, and crispy foods. Air fryer equivalent: 375°F (190°C).

What is 180°C in Fahrenheit?

180°C = 356°F — rounded to 350°F in US recipes. Moderate oven (Gas Mark 4). Standard temperature for cakes and most baked goods. Air fryer: 325°F (163°C).

How do I convert an oven recipe to air fryer?

Subtract 25°F (15°C) from the oven temperature and reduce cooking time by 20–25%. An air fryer circulates hot air faster than an oven. Example: 400°F oven → 375°F air fryer. Use our Air Fryer to Oven Calculator for exact conversions with food-specific tips.

What is Gas Mark 4 in Fahrenheit and Celsius?

Gas Mark 4 = 350°F / 177°C. Each Gas Mark adds ~25°F. Gas Mark 6 = 400°F (200°C). Gas Mark 7 = 425°F (220°C).

Complete Oven Temperature Reference Chart

All four temperature scales side by side. The Air Fryer column is 25°F lower than the conventional oven column — the standard conversion for most recipes.

Gas Mark°F°C⚡ Air Fryer °F⚡ Air Fryer °CHeat LevelUsed For
½250°F120°C225°F107°CVery lowMeringues, dehydrating
1275°F135°C250°F121°CVery slowSlow roasting, drying
2300°F150°C275°F135°CSlowRich fruit cakes
3325°F165°C300°F150°CModerate-slowLoaf cakes, slow roasts
4350°F177°C325°F163°CModerateCakes, cookies, casseroles
5375°F190°C350°F177°CModerate-hotBread, whole chicken
6400°F200°C375°F190°CHotRoast vegetables, salmon
7425°F220°C400°F200°CVery hotCrispy roast potatoes, pizza
8450°F230°C425°F218°CExtremely hotSearing, artisan bread
9475°F245°C450°F232°CMax / broilBroiling, Neapolitan pizza

Frequently Asked Questions

What is 350°F in Celsius?+
350°F = 177°C (rounded to 175°C). Gas Mark 4. Air fryer: 325°F. A moderate oven — the most common temperature for cakes, cookies, and casseroles.
What is 400°F in Celsius?+
400°F = 200°C (Gas Mark 6). Hot oven. Air fryer: 375°F. Used for roasting chicken, vegetables, and crispy foods.
What is 425°F in Celsius?+
425°F = 220°C (Gas Mark 7). Very hot oven. Air fryer: 400°F. Used for crispy roasted potatoes, pizza, and browning meats.
What is 180°C in Fahrenheit?+
180°C = 356°F — shown as 350°F on US recipes. Gas Mark 4. Air fryer: 325°F. Standard temperature for most cakes and baked goods.
How do I convert oven temperature to air fryer?+
Subtract 25°F (15°C) and reduce cooking time by 20–25%. Air fryers circulate hot air faster than conventional ovens. Use our Air Fryer to Oven Calculator for food-specific conversions.
What is Gas Mark 6 in Fahrenheit?+
Gas Mark 6 = 400°F (200°C). Hot oven. Each Gas Mark step is approximately 25°F. Gas Mark 4 = 350°F, Gas Mark 7 = 425°F.