Bit & GrainBit & Grain

Exterior Paint Estimator

Estimate exterior paint gallons for house body and trim from perimeter dimensions, stories, and trim length.

Exterior Paint Estimator

Estimate exterior paint gallons for house body and trim.

Total exterior perimeter. Example: 30' x 40' house = 140 ft

Updates wall height to standard; adjust above for non-standard

Fascia, soffits, window trim, door trim, and corner boards combined

Body Paint4.0gal
Trim Paint1gal
Total Paint5.0gal
Coverage rates: 350 sq ft/gal body (exterior flat or satin), 200 linear ft/gal trim. Source: PDCA Painting Cost Estimating Standards. Add 10-15% for rough or weathered surfaces.

For reference only. Verify with your local building code and a licensed professional before making decisions.

Ready to simplify your painting business?

Estimates, invoices, scheduling, and payments in one place. Free to start.