温度変換ツール

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はじめに

Temperature Converter — Celsius, Fahrenheit and Kelvin conversions. Enter Value, From, To to get an instant, accurate result.

計算式

Converts via Celsius: °C→°F: ×9/5+32. °F→°C: (°F−32)×5/9. °C→K: +273.15. K→°C: −273.15.

ステップごとの説明

1. Enter the Value.
2. Enter the From.
3. Enter the To.
4. Click Calculate to see your result instantly.

実例

Example: With Value = 100, From = C, To = F, the Temperature Converter gives Result: 212.

よくある質問

Why convert through Celsius?

Temperature scales aren't simple multiples of each other, so each is defined in terms of a Celsius conversion and chained together.

What is absolute zero in each scale?

0 K, which is −273.15°C and −459.67°F.

What inputs does the Temperature Converter need?

You'll need to provide: Value, From, To. 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 Temperature Converter?

The Temperature Converter applies the formula exactly as calculated — Converts via Celsius: °C→°F: ×9/5+32. °F→°C: (°F−32)×5/9. °C→K: +273.15. K→°C: −273.15. — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.

Is the Temperature Converter free to use?

Yes, the Temperature Converter is completely free, requires no signup, and runs instantly in your browser.

温度変換ツールについて

The Temperature Converter uses a real, verifiable formula — Converts via Celsius: °C→°F: ×9/5+32. °F→°C: (°F−32)×5/9. °C→K: +273.15. K→°C: −273.15. — so results are accurate every time, not an approximation.