Tile Grout Sealer Calculator
Grout sealer needed for tiled floor or wall.
Enter your values
ⓘ Live results
Results
- Sealer needed
- 1.5 oz
- Total grout joint length
- 300 ft
- Bottles (24 oz each)
- 1
Quick answer
Sealer need scales with the total grout joint length, which rises as tile size shrinks or joints widen.
joint length per sq ft = 2 x (1/tile size); sealer = area x joint length x usage rate
How to use the Tile Grout Sealer Calculator
- 1Enter the tiled area, tile size and coverage rate from the sealer label.
- 2Smaller tiles or wider joints mean more total grout length to seal.
- 3Reapply sealer every 1-2 years or as the label recommends.
Worked example
Using the values the calculator loads with:
Inputs
- Tiled area150 sq ft
- Tile size12 in
- Grout joint width0.125 in
- Sealer coverage200 linear ft/oz
Results
- Sealer needed1.5 oz
- Total grout joint length300 ft
- Bottles (24 oz each)1
Frequently asked questions
Do I need to seal all grout?
Cementitious grout should be sealed; most epoxy grouts don't require sealing.
How soon after grouting can I seal?
Typically wait 48-72 hours for the grout to cure before sealing.
About this calculator
- Built and reviewed by James Whitfield · How we build and test calculators
- Report an error
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.