How to use it
- Enter the floor area in square feet.
- Input the coverage per gallon (default 100 sq ft/gal).
- Click Calculate to see gallons required.
What the calculator does
It takes the floor area you plan to level and the coverage rating of your chosen self‑leveling product, then tells you the exact gallons required. Knowing the volume up front prevents ordering too little, which can halt a project, or too much, which wastes money. The result is shown in gallons; round up to the nearest whole gallon because you can’t purchase a fraction. Use the default 100 sq ft/gal if you’re unsure, or enter the manufacturer’s spec for a more precise estimate.
How to read the result – The number displayed is the minimum gallons you should order, including a small buffer for spillage and slight variations in thickness.
Pro tips
- Add 10% extra for waste and spillage.
- Always round up to the next whole gallon.
- Order a little extra if you anticipate multiple pours.
- Double‑check product coverage specs before entering them.
Real-life examples
- A homeowner prepping a 750 sq ft bathroom floor for tile installation.
- A contractor estimating self‑leveling compound for a 1,200 sq ft commercial lobby renovation.
- A DIY renovator planning a small garage floor overlay of 350 sq ft.
Case study
Mike needed to level a 560 sq ft basement. Using the calculator with the default 100 sq ft/gal, it recommended 6 gallons. He ordered 6 gallons, completed the pour without delays, and saved $150 by avoiding an extra order.