Not sure how much grout to order? Just enter your tile size and wall area below switch between US (feet/inches) and Metric (meters/cm) units anytime using the dropdown at the top. We'll calculate exactly how much grout you'll need, shown in both ounces and grams, plus how many PentaUSA tubes to add to your cart.
GROUT CALCULATOR
Grout Calculator
How much grout do you actually need?
Enter your tile size and wall area — we'll tell you exactly how much PentaUSA grout to order, down to the tube.
Wall area
ft
ft
Tile size
in
in
Grout joint (spacer size)
For repairs, usually matches joint width
JOINT PREVIEW (SCALED)
You'll need approximately
0oz of grout
≈ 0 g
Includes a 10% buffer for mixing waste and uneven joints — the standard margin tile setters build in.
Estimate calibrated from real-world PentaUSA application data. Actual usage varies with substrate, technique, and tile edge condition — when in doubt, round up to the next tube.