learn.howToCalculate
learn.whatIsHeading
Footing Size Calculator helps contractors and tradespeople accurately size, spec, and estimate materials and systems.
公式
Footing Area = Total Load / Soil Bearing Capacity
ステップバイステップガイド
- 1Calculate total load on footing, divide by allowable soil bearing
- 2Apply the formula using your project measurements
- 3Add required safety factors or waste allowances per code
解いた例
入力
15,000 lb load, 2000 psf soil bearing
結果
Area = 15000/2000 = 7.5 sf → use 3 ft × 3 ft footing
避けるべきよくある間違い
- ✕Not applying code-required safety factors or derating
- ✕Forgetting to account for waste and cut losses in material estimates
計算する準備はできましたか?無料の Footing Size 計算機をお試しください
自分で試してみる→