What this grout calculator calculates
A 100 ft² floor with 12 × 12 in tiles and 1/8 in joints has a different grout requirement from the same area tiled with 4 × 16 in pieces.
Formula
Joint length × joint width × joint depth = grout volume; convert the volume to the selected product yield and round up.
Worked example
For 12 × 12 in tile, each 100 ft² contains about 100 grid squares before perimeter and layout cuts. The joint width and depth decide the bag quantity.
Ordering decision
Use the grout manufacturer's coverage chart when epoxy, unsanded, or unusually wide joints are involved.
The page cites the applicable Uzi Tools reference table beside the calculator. Product labels, current editions, local code, and a licensed professional govern structural, electrical, and life-safety work.
How to use it
- Enter the measured dimensions and keep the displayed units beside each field.
- Review the grout for tile joints result and the substituted formula before ordering.
- Adjust waste for the layout, cut pattern, product package, and site conditions.
- Copy or print the material list, then verify the cited product data and local requirements.
Grout for tile joints
Use this grout calculator for tiled area, tile size, joint width, and joint depth. Joint geometry drives grout volume, so a tile count alone is not enough.
Limits and professional review
Measurements, product yield, waste, moisture, and site conditions can change the order quantity. Local code and a licensed professional govern structural and electrical work.