Epoxy Floor Coverage & Cost Calculator
Enter your garage dimensions, pick your coating system, and get instant material quantities with cost estimates.
Garage Size
Coating System
Not sure which type? Compare epoxy vs polyurea or see our best kits guide.
Most water-based epoxies need 2 coats. Polycuramine and polyaspartic are usually 1-coat systems. How many coats do you need?
Recommended for smooth concrete, previously coated floors, or if using 100% solids epoxy. Improves adhesion and blocks moisture.
Adds UV protection, chemical resistance, and prevents hot tire pickup. Highly recommended for garages with vehicles.
Decorative Flake
Vinyl chips broadcast onto wet coating for texture and grip. Medium is the most popular choice. See color options and coverage rates
Floor Condition
Rough or damaged floors absorb more coating. The waste % is added to material quantities automatically.
Acid etch is cheaper ($25-50 in materials). Grinding gives better results but costs more: diamond discs ($25-60) are the main expense, plus grinder rental ($50-100/day). Full comparison
Materials Needed
Cost Comparison
| Line Item | Budget | Mid-Range | Premium |
|---|---|---|---|
| Coating (4 gal) | $180 | $260 | $360 |
| Clear Coat (2 gal) | $100 | $130 | $180 |
| Decorative Flake (16 lbs) | $56 | $72 | $96 |
| Prep Materials | $58 | $74 | $90 |
| DIY Total | $394 | $536 | $726 |
| Professional Estimate | $1,600 – $2,400 | ||
Recommended Products for This Coating Type
1-car garage kit, 2-part water-based epoxy. Best for first-timers.
View on Amazon →Polycuramine, 500 sq ft coverage. 20x stronger than water-based epoxy.
View on Amazon →3-coat system (primer + base + top coat). Professional-grade results.
View on Amazon →Product links may earn a small commission at no cost to you. Recommendations are based on coverage data and value, not commission rates. See full product reviews
Estimates based on manufacturer coverage rates. Actual coverage varies by surface porosity, application thickness, and technique.
Prices reflect national averages as of 2026. Your local pricing may differ.
Estimates only — always buy 10% extra to account for spills and touch-ups.
Need Help Deciding?
New to epoxy floors? These guides explain every option in the calculator above.
Compare water-based epoxy, polycuramine, 100% solids, and polyaspartic side by side.
Step-by-step instructions for cleaning, degreasing, moisture testing, and surface profiling.
Which prep method is right for your floor? Cost, safety, and effectiveness compared.
DIY vs professional pricing by garage size, including hidden costs most guides miss.
Rust-Oleum, RockSolid, ArmorPoxy, and polyaspartic kits ranked by value and performance.
Three ways to test your garage floor for moisture before coating — the #1 cause of failure.
How This Calculator Works
Uses manufacturer-published coverage rates to estimate epoxy coating, primer, clear coat, decorative flake, and prep materials. Coverage varies by product type: water-based epoxy covers ~250 sq ft/gal, while 100% solids covers ~160 sq ft/gal due to thicker film build.
Waste factors are added based on floor condition (10-20% extra). Cost estimates reflect 2026 national averages across budget, mid-range, and premium product tiers.
Popular Guides
- How to Prep Your Garage Floor for Epoxy
The most important step in any coating project.
- Garage Floor Epoxy Cost Guide
Full breakdown of DIY vs professional pricing.
- Best Garage Floor Epoxy Kits
Honest comparison of top products for every budget.
- Epoxy vs Polyurea Comparison
Which coating chemistry is right for your garage?