精密計算機

平方フィート計算機 不規則な形状

平方フィート計算機 不規則な形状: For an irregular space, break it into rectangles and triangles, calculate each section, and add the results.

既知のエリア

材料廃棄物係数オプション

材料費の見積りオプション

Calculation Results
1 ft (12 in) 1 ft 1 ft² = 144 in²

Irregular Area Calculator

Break an irregular space into rectangles and triangles, calculate each section, and add the results. You can also convert a known total area.

仕組み

1

形状の選択

Choose the shape that matches your space.

2

寸法を入力してください

測定値を任意の単位で入力します。数量、廃棄係数、材料価格を追加します。

3

結果を取得する

面積 (ft²、in²、yd²、m²、エーカー) とコスト見積もりをすべて一度に表示します。

よくある質問

Break the shape into rectangles, triangles, circles, or trapezoids you can measure. Calculate each section, then add the areas for the total square footage.
Common options: split into regular shapes and add areas; overlay a grid and count full and partial squares; or use a planimeter or GPS tool outdoors. Splitting into shapes is the most practical for home projects.
Approximate curves with straight segments or use circle and semicircle math. A bay window might be a half-circle plus a rectangle. Curved garden borders can be a string of small trapezoids along the curve.
Yes, and that is usually the best approach. Draw lines to split the space into rectangles, triangles, and other simple shapes. Measure each, calculate with the matching formula here, and sum the results.
Sketch the room first and label measurements. Measure from fixed points like corners. A laser meter saves time. Re-measure anything that looks off. Add 5 to 10% extra for materials.
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