Construction Cost Calculator
Build a transparent area-based budget from materials, labor, equipment, permits, contingency, and tax.
What this calculator does
Area rates and fixed costs form the direct subtotal.
Area-based cost plan
Use rates in one currency. Tax and contingency are itemized rather than hidden in one multiplier.
Your plan updates instantly
Drag with a mouse or finger. Pinch or scroll to zoom.
Area rates plus fixed costs form the direct subtotal; tax and contingency are itemized.
The arithmetic uses the exact values shown above. Verify field measurements, product pack sizes, layout constraints, and local requirements before ordering or building.
How to interpret the result
Area rates and fixed costs form the direct subtotal.
How the result is calculated
Direct = area x (material + labor rates) + fixed costs.
Worked example
A 1,500 ft² project at $85 material and $55 labor begins at $210,000.
Practical guidance
- Measure the project at least twice before ordering.
- Use actual product dimensions and package coverage.
- Keep a saved or printed copy of the inputs used for the estimate.
Assumptions and limitations
This is a conceptual budget, not a quote; scope, location, escalation, and tax treatment vary.
Methodology
Calculations use standard geometry and normalized units. Countable products are rounded up where partial products cannot normally be purchased.
Read the complete calculation methodology and testing policy.
Frequently asked questions
Are results rounded for purchasing?
Countable materials and packages are rounded up. Measured area, length, volume, and cost remain decimal values where appropriate.
Is this a final construction specification?
No. It is a transparent planning estimate. Verify product instructions, site conditions, plans, and local requirements.