Grout Calculator

Kilograms of grout for tiles by size, thickness and joint width.

Runs in your browser — nothing is uploaded
Units

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Material estimates only — add waste, confirm quantities with your supplier and follow local building codes. Not an engineering guarantee.

How to use Grout Calculator

  1. Enter your values — the unit for each field is shown next to it.
  2. The result updates instantly as you type.
  3. 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