关于本计算器
Slab volume in ft³/m³ and 40/60/80 lb bag counts with 10% waste included.
混凝土计算器
板体积与所需袋数。
输入计算参数
计算结果摘要
所需袋数× 61 bags
混凝土体积 (ft³)33
混凝土体积 (m³)0.934455057
常见问题
Bag yields?
80 lb → 0.60 ft³, 60 lb → 0.45 ft³, 40 lb → 0.30 ft³.
Why +10%?
Spills, uneven subgrade and form flex always eat extra.
Depth units?
Enter 4-inch slabs as 0.33 ft in feet mode.