How to use it
- Enter length, width, and thickness in the fields provided.
- Click the Calculate button.
- Read the cubic yards, bags, and cubic feet results displayed.
- Adjust for waste or rounding if needed.
The calculator converts the area and thickness you input into three practical units: cubic feet, cubic yards, and the number of 80‑lb bags of concrete leveler. Knowing the exact volume prevents ordering too little, which can delay a project, or too much, which wastes money. Cubic feet is useful for on‑site measurement, while cubic yards is the standard ordering unit for suppliers. The bag count uses the constant that one 80‑lb bag yields about 0.6 cubic feet, so you see exactly how many bags to request. Simply plug in the dimensions of your slab, patio, or repair spot and the tool instantly shows the three results, letting you plan material purchases with confidence. You can also compare the bag count with supplier minimum orders to avoid excess.
Pro tips
- Add 10% extra for spillage and compaction.
- Round up the bag count to the next whole bag.
- Order bags in multiples of the supplier’s minimum lot.
- Double‑check thickness units; the calculator expects inches.
Real-life examples
- A homeowner estimating material for a 12 ft × 8 ft garage floor repair.
- A contractor planning the leveler for a 20 ft × 30 ft patio.
- A DIYer buying concrete leveler for a small 4 ft × 5 ft shed foundation.
Case study
Mike needed to level a 10 ft × 12 ft patio at 1 in thickness. Using the calculator he saw he required 0.46 cubic yards, which translates to 8 bags. He ordered 8 bags, saved a $30 over‑order, and completed the job on schedule.