Civil & Finish Calculators Keifa Engineering & Architectural Tools
Finishes

Paint Quantity Calculator

Calculate the net paintable area after deducting openings, the paint liters, container counts, primer and putty, and the estimated cost.

Wall & Ceiling Finishes

Paint & Coating Calculator

Calculate net paintable area after deducting doors and windows, and estimate drums, gallons, primer putty, and costs.

1 Room or Section Dimensions

Each room is its own row; areas are summed automatically.

2 Openings & Deductions (Doors & Windows)

3 Paint Specifications & Coats

4 Advanced options

Instant Results & Bill of Quantities
Representative Wall & Openings Diagram 54.0 م² إجمالي
Net Paintable Area 0.00 م² Out of 0 m² incl. ceiling
Total Required Paint 0.0 لتر Including 10% waste allowance
Estimated Total Cost 0 SAR Based on entered drum price

Suggested Packaging Distribution for Purchase:

🛢️
0 Large Drum (18 Liters)
🪣
0 Medium Gallon (3.6 Liters)
🥫
0 Small Can (1 Liter)

Recommended Primer & Auxiliary Materials:

Item Weight / Quantity Formula & Specifications

Result type: Material Consumption Estimate

Formulas & Assumptions

Formulas used

  • A_net = (Perimeter × H + Ceiling) − Σ A_openingsNet paintable area
  • L_paint = A_net × Coats × (1 + Waste) / CoveragePaint liters required
  • Putty = A_net × 1.2 (kg/m²)Base putty quantity

Assumptions & reference values

  • Editable assumptionCoverage (m²/L) depends on the product and substrate — editable.
  • Industry estimateBase putty ≈ 1.2 kg/m² for two coats.
  • Default valueDefault waste allowance 10%.

Notices: This result is intended for quantity estimation. Verify quantities against approved drawings and project specifications before procurement or construction.

This calculator provides quantity and preliminary cost estimation. Structural design, material specifications and final quantities must be verified against project drawings, specifications and applicable engineering standards.