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Tool: Water Tank Calculator — 免費線上計算機 | HomeCalcPro | 列印時間:
Water Tank Calculator — 免費線上計算機 | HomeCalcPro
Water Tank Calculator精準試算，提供行業標準公式與即時測算結果。
Project & Material Dimensions
Estimated Material & Energy Output
Water Tank Volume & Weight Formula
Transparent mathematical methodology explained in plain English.
Cylinder Vol (Cu Ft) = π × r² × Height | Gallons = Cu Ft × 7.48052 | Weight (lbs) = Gallons × 8.34 lbs/galCalculates geometrical water volume and structural filled weight (water weighs exactly 8.34 lbs per US Gallon / 1,000 kg per cubic meter).
Variables Explained:
- Tank Shape: Vertical Cylinder or Rectangular Box.
- Diameter / Width (ft): Tank horizontal dimension.
- Height / Depth (ft): Tank vertical height.
6 ft Diameter by 8 ft High Vertical Cylindrical Water Tank
Calculating water storage capacity and structural weight load.
- Cylinder Volume in Cu Ft: π × (3)² × 8 = 3.14159 × 9 × 8 = 226.19 cu ft.
- Capacity in US Gallons: 226.19 × 7.48052 = 1,692 Gallons.
- Capacity in Liters: 1,692 × 3.78541 = 6,405 Liters.
- Filled Water Weight: 1,692 gal × 8.34 lbs/gal = 14,111 lbs (7.06 Tons).
常見問題解答 (FAQ): Water Tank Calculator
Click any question below to expand quick answers, formulas, and expert tips.
Why must you calculate water tank filled weight before installation?
Water is extremely heavy (8.34 lbs/gallon). A modest 1,500-gallon tank weighs over 6.25 tons, requiring a reinforced 4-inch concrete slab or compacted gravel foundation to prevent tipping.
How much rainwater can you harvest from a roof?
A 1,000 square foot roof yields approximately 620 gallons of water for every 1 inch of rainfall (1,000 sq ft × 1" × 0.623 conversion factor).