Grout Calculator

Step 1: Enter the tile length and width in millimeters (mm).

Step 2: Enter the tile thickness in millimeters (mm).

Step 3: Enter the desired grout joint width in millimeters (mm).

Step 4: Enter the total area to be tiled in square meters (m²).

Step 5: Enter a waste factor (10% is standard).

Step 6: Click 'Calculate' to see the total grout needed in kilograms (kg) and pounds (lbs).

Grout requirement is estimated using the formula:

Grout (kg/m²) = [(L + W) × J × T × D] / (L × W)

Where: - L = Tile Length (mm) - W = Tile Width (mm) - J = Joint Width (mm) - T = Tile Thickness (mm) - D = Grout Density (assumed 1.7 kg/L)

The result is multiplied by the total area and the waste factor to give the final amount.