Grout Calculator
Kilograms of grout for tiles by size, thickness and joint width.
Runs in your browser — nothing is uploaded—
Details
Material estimates only — add waste, confirm quantities with your supplier and follow local building codes. Not an engineering guarantee.
How to use Grout Calculator
- Enter your values — the unit for each field is shown next to it.
- The result updates instantly as you type.
- Copy the results, or change inputs to compare scenarios.
Formula & assumptions
Grout = area × (L + W) ÷ (L × W) × joint width × depth × 1.6 kg/L × 1.1