価格上昇率計算機
Enter the old and new price to see the percentage increase and the actual amount added. Useful for rent reviews, supplier quotes and tracking inflation on products you buy.
計算例
950 → 1,050: (100 ÷ 950) × 100 ≈ 10.53%
計算方法
- Enter the old price.
- Enter the new price.
- Read the percentage increase and the price difference.
計算式
Increase % = ((New Price − Old Price) ÷ Old Price) × 100
解説
- Rent and subscription price changes.
- Supplier cost increases and margin planning.
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よくある質問
How do I calculate a price increase percentage?
Subtract the old price from the new price, divide by the old price, and multiply by 100. The calculator shows the percentage and the absolute increase.
Does it work for currency amounts?
Yes — pick your currency and the results are formatted with your locale’s number and currency conventions.