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Calculate how many floor or wall tiles you need. Enter room size, tile dimensions, grout gap, and waste percent for accurate tile count and coverage.
Estimate hardwood flooring for your room. Enter dimensions and plank size to get square footage, box count, and plank quantity with 10% cut waste included.
Calculate carpet square footage and linear feet from room size and roll width. Estimate seams, waste, and total carpet to order for wall-to-wall installation.
These are typical manufacturer ratios. Always check your specific product bag instructions — they take priority over generic estimates.
Standard thinset: 5.5 qt/50 lb bag, Modified: 6.0 qt/bag, Rapid-set: 5.0 qt/bagPot life is how long mixed mortar stays workable. High temperatures shorten pot life significantly.
Standard: 25 min, Modified: 40 min, Rapid-set: 15 minUpdated: July 2026
For 2 bags of standard 50 lb thinset: 11 quarts (2.75 gallons) of clean water. Mix for 3 minutes, slake 5–10 minutes, remix briefly.
Correct water-to-powder ratio is critical for mortar and grout performance. Too much water weakens the bond; too little makes it unworkable. This calculator provides product-specific water volumes.