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オーブン温度計算機

華氏、摂氏、ガスマークの間でオーブン温度を換算し、ファン(対流)調整にも対応します。

はじめに

Oven Temperature Calculator — Convert oven temperatures between Fahrenheit, Celsius, and Gas Mark, with a fan/convection adjustment. Enter Fahrenheit, Celsius, Gas mark (optional) to get an instant, accurate result.

計算式

Converts between Fahrenheit and Celsius exactly (°F = °C × 9/5 + 32) and maps to/from UK gas marks using a standard reference table (e.g. gas mark 4 = 350°F/177°C, gas mark 6 = 400°F/200°C). A convection/fan-oven adjustment of −25°F (−20°C) is also shown as a commonly-cited home-cooking rule of thumb, not an exact physical conversion.

ステップごとの説明

  1. Enter the Fahrenheit.
  2. Enter the Celsius.
  3. Enter the Gas mark (optional).
  4. Click Calculate to see your result instantly.

実例

Example: With Fahrenheit = 350, the Oven Temperature Calculator gives Fahrenheit: 350, Celsius: 176.7, Gas Mark: 4.

よくある質問

Why lower the temperature for a convection oven?
A fan circulates hot air, cooking food faster and more evenly, so many recipes and appliance manuals suggest dropping the set temperature by about 25°F (20°C) to compensate — this is a widely-used approximation, not a fixed law, and results vary by oven.
Are gas marks exactly equivalent to a Fahrenheit/Celsius value?
Gas marks map to a standard reference range rather than one exact temperature — this calculator uses the commonly published UK gas mark table, but ovens can vary slightly.
Which gas mark is closest to 350°F?
Gas mark 4, per the standard reference table (350°F/177°C).
What inputs does the Oven Temperature Calculator need?
You'll need to provide: Fahrenheit, Celsius, Gas mark (optional). All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.
How accurate is the Oven Temperature Calculator?
The Oven Temperature Calculator applies the formula exactly as calculated — Converts between Fahrenheit and Celsius exactly (°F = °C × 9/5 + 32) and maps to/from UK gas marks using a standard reference table (e.g. gas mark 4 = 350°F/177°C, gas mark 6 = 400°F/200°C). A convection/fan-oven adjustment of −25°F (−20°C) is also shown as a commonly-cited home-cooking rule of thumb, not an exact physical conversion. — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.
Is the Oven Temperature Calculator free to use?
Yes, the Oven Temperature Calculator is completely free, requires no signup, and runs instantly in your browser.

オーブン温度計算機について

The Oven Temperature Calculator uses a real, verifiable formula — Converts between Fahrenheit and Celsius exactly (°F = °C × 9/5 + 32) and maps to/from UK gas marks using a standard reference table (e.g. gas mark 4 = 350°F/177°C, gas mark 6 = 400°F/200°C). A convection/fan-oven adjustment of −25°F (−20°C) is also shown as a commonly-cited home-cooking rule of thumb, not an exact physical conversion. — so results are accurate every time, not an approximation.