WoodFinishCalc
Wood Finish Calculator
Wood Finish Calculator
Calculate finish quantity, dry times, and recoat schedule
Finish Comparison
| Finish | Coverage (sqft/qt) | Dry Time | Durability |
|---|---|---|---|
| Polyurethane | 125 | 4-6 hrs | Excellent |
| Lacquer | 150 | 15-30 min | Good |
| Shellac | 140 | 30-45 min | Fair |
| Tung Oil | 200 | 24-48 hrs | Fair-Good |
| Spar Varnish | 100 | 6-8 hrs | Excellent (exterior) |
Calculate finish quantities needed for woodworking projects. Estimate paint, stain, or varnish amounts accurately.
Key Features
Coverage calculator
Quantity estimator
Multi-coat planner
Cost calculator
How to Calculate Finish Needed
Measure Surface
Calculate total square feet of surface area
Check Coverage
Find coverage rate per gallon from product label
Calculate Coats
Multiply by number of coats required
Account for Loss
Add 10-15% for spillage and brush/roller absorption
Use Cases
Paint ordering
Finish budgeting
Material planning
Project preparation
Frequently Asked Questions
How many coats of finish do I need?
Most finishes require 2-3 coats for good coverage. Check product recommendations.
Does finish coverage vary by type?
Yes, varnish covers differently than stain. Thick polyurethane covers more than thin lacquer.
Should I buy extra finish?
Yes, buy 10-15% extra to account for overlap, spillage, and future repairs.
Tool Information
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