Construction • Estimation

Cost & Quantity Estimation Tools

Standardized tools for material unit rates, quantity takeoff summaries, contingency allowances, and preliminary project budgets.

Construction Live Tool

Steel Weight Calculator

Compute structural steel and reinforcement weight for plates, bars, pipes, and standard sections using steel density.

W = V × ρ_steel (ρ ≈ 7,850 kg/m³)
Construction Live Tool

Construction Material Quantity Takeoff Calculator

Quantity takeoff for bulk construction materials with wastage: aggregate, sand, cement, and general volume-mass conversions.

Q = V × (1 + wastage/100) · m = Q × ρ
Construction Live Tool

Construction Cost Escalation & Scenario Calculator

Escalate a base construction cost to a target date with a user-supplied annual rate and compare alternative escalation scenarios.

C(t) = C₀ × (1 + r/100)^n · n = days ÷ 365.25