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Oven Temperature Guide — What Low, Medium & High Heat Mean

When a recipe says 'moderate oven' or 'hot oven,' what does that actually mean in degrees? Oven temperature descriptions have consistent ranges: low (275–325°F/135–165°C) for slow roasting, dehydrating, and keeping food warm. Moderate (325–375°F/165–190°C) for most baking and general roasting. Hot (400–450°F/200–230°C) for searing, crisping, and quick cooking. Very hot (450–500°F/230–260°C) for pizza, bread, and high-heat searing. This guide maps every common recipe description to its temperature range.

Oven thermostats can be inaccurate by 25–50°F — an oven set to 350°F may actually run at 325°F or 375°F. An oven thermometer ($10) placed on the center rack gives you the actual cooking temperature. This one tool explains more mysterious baking failures than any other kitchen investment.

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Common Cooking Temperature Reference

Use °F °C
Smoker — low & slow 225°F 107°C
Smoker — medium 250°F 121°C
Smoker — hot & fast 275–300°F 135–149°C
Oven — low roast 300°F 149°C
Oven — standard roast 325–350°F 163–177°C
Oven — high heat 400–425°F 204–218°C
Grill — medium 350–400°F 177–204°C
Grill — high 450–500°F 232–260°C
Deep fry — standard 350–375°F 177–191°C
Candy — soft ball 235–240°F 113–116°C
Candy — hard crack 300–310°F 149–154°C
Safe: beef (medium) 160°F 71°C
Safe: chicken 165°F 74°C
Safe: pork 145°F 63°C

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Frequently Asked Questions

What is 350°F in Celsius?
350°F equals 177°C. This is the most common oven temperature for baking and roasting — used for everything from turkey to cookies.
What is 165°F in Celsius?
165°F equals 74°C. This is the USDA-recommended safe internal temperature for all poultry, including chicken breast, thighs, wings, and whole turkey.
Why do American recipes use Fahrenheit?
The United States uses the Fahrenheit scale as its standard measurement system. Most American ovens, grills, and food thermometers display in Fahrenheit, while the rest of the world primarily uses Celsius.
What temp is 225°C in Fahrenheit?
225°C equals 437°F — a high oven temperature used for pizza or quick searing. Not to be confused with 225°F (107°C), which is the classic low-and-slow BBQ smoking temperature.

Frequently Asked Questions

What temperature is a moderate oven?
Moderate oven: 325–375°F (165–190°C). This range covers most general baking (cookies, cakes, quick breads) and medium-heat roasting (chicken, pork loin). The center of this range — 350°F (177°C) — is the default temperature for the largest number of recipes and is used as 'moderate' in most American cookbooks.
What temperature is a hot oven?
Hot oven: 400–450°F (200–230°C). Used for: roasting vegetables, cooking pizza, baking artisan bread (with steam), roasting chicken for crispy skin, and reheating leftovers quickly. Very hot oven: 450–500°F (230–260°C) — used for high-heat bread baking (sourdough), pizza in a home oven, and the finishing sear phase in a reverse-sear cook.
Why do some recipes say 'gas mark' for oven temperature?
Gas mark is a British oven temperature scale used in older UK and Australian recipes. Gas Mark 1 = 275°F (135°C), Gas Mark 4 = 350°F (175°C), Gas Mark 6 = 400°F (200°C), Gas Mark 8 = 450°F (230°C). Gas marks increase by roughly 25°F per mark. When following British recipes: Gas Mark 4 = moderate, Gas Mark 6 = hot, Gas Mark 2–3 = low. Modern British recipes increasingly use Celsius, but older cookbooks still use gas marks.

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