Ratio Calculator - Simplify, Solve for Missing Value, and Scale
Simplify a ratio, solve A:B = C:D for a missing value, or scale a ratio by any factor
使い方
- 1Pick a mode
Simplify, solve a proportion, or scale a ratio.
- 2Enter values
For solve mode, leave the unknown value at 0.
- 3Read the result
Simplified form, solved value, or scaled ratio - plus decimal equivalent.
Ratio Calculator - Simplify, Solve for Missing Value, and Scale について
Free ratio calculator with three modes. Simplify: reduce A:B to lowest terms using GCD. Solve: find the missing value in a proportion A:B = C:D. Scale: multiply both sides of a ratio by any factor. Great for cooking scale-ups, model-making, mixing ratios, and math homework. Runs entirely in your browser. 712 Tools の Ratio Calculator - Simplify, Solve for Missing Value, and Scale はモダンな JavaScript API を使って完全にブラウザ内で動作します - サーバーがあなたのデータを見ることは一切ありません。つまり、即時の結果、完全なプライバシー、アップロード制限なしです。
デバッグ、簡単な確認、あるいは本番のインシデント対応まで - このツールは何度でも無料で使えます。ウォーターマークなし、サインアップなし、ツール内広告なし。
よくある質問
How is a ratio simplified?
Divide both sides by their greatest common divisor (GCD). 12:18 → 2:3 (GCD = 6).
How do you solve A:B = C:D?
Cross-multiply. If C is unknown: C = A × D ÷ B. If D is unknown: D = B × C ÷ A.
Is my data uploaded?
No. All calculations run entirely in your browser.
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