Free estimating calculators for contractors

No signup. No ads. Just math.

Material Takeoff
Acoustical Ceilings
Grid, tiles, hangers, wire. Seismic categories. Multi-area with waste factors.
📏 Drywall
Sheets, studs, compound, tape, screws. Finish levels 0-5. Multi-area with openings.
🎨 Paint
Walls, ceilings, trim, doors. Substrate modifiers. Coverage rates by product line.
🔳 Flooring
Carpet tile, LVT, tile, sheet goods. Pattern waste. Transitions and base.

Labor & Estimating
📊 Estimate Builder
Import takeoffs, price materials, add labor. Complete estimate with markup.
👷 Labor Tools
Productivity rates, crew burden, overtime costs. Convert between any format.
📅 Project Timeline
Plan construction phases, calculate labor, visualize schedules with Gantt charts.

Specialty & Resources
🔊 RT60 Acoustics
Sabine formula. Calculate reverberation time, get treatment recommendations.
📊 Cost Index
Track material & labor trends. Calculate bid escalation by trade.
📖 User Guides
Formulas, methods, and tips. Learn how to estimate like a pro.