BuildNFO Free includes 30 calculators, Pro includes 70 calculators, and Enterprise includes 180 calculators with AI estimation workflows.

BuildNFO Demo Free

BuildNFO Free Demo

Free includes 30 essential construction calculators and 5 custom calculators. No AI calls, no external API dependency, and no paid report actions are required for the Free version.

Disclaimer: Results are estimation aids only and should be verified before real construction decisions.

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BuildNFO Free

WordPress.org free version with 30 practical building and construction calculators.

30 calculators  •  Free forever
Every calculator below is fully functional. Enter your values and press Calculate — results compute live via the BuildNFO engine.

Live Free Calculators

Concrete Slab Volume

Calculate concrete volume and bags for a slab.

How this works

Enter:

  • Length (m)
  • Width (m)
  • Thickness (m)

Bricks Needed

Number of bricks for a wall area (standard brick + mortar).

How this works

Enter:

  • Wall Length (m)
  • Wall Height (m)

Cement Bags

Cement Bags for construction estimates.

How this works

Enter:

  • Concrete Volume (m³)
  • Bags / m³
  • Waste % (%)

Paint Calculator

Litres of paint for a wall area, given coats.

How this works

Enter:

  • Surface Area (m²)
  • Coverage (m²/L)
  • Coats

Tile & Flooring

Tiles needed for a floor area incl. waste.

How this works

Enter:

  • Room Length (m)
  • Room Width (m)
  • Tile Area (m²)
  • Waste % (%)

Rebar Weight

Total weight of reinforcement bar.

How this works

Enter:

  • Bar Diameter (mm)
  • Total Length (m)

Excavation Volume

Volume of soil to excavate.

How this works

Enter:

  • Length (m)
  • Width (m)
  • Depth (m)

Plaster / Render

Mortar volume for plastering a wall area.

How this works

Enter:

  • Wall Area (m²)
  • Thickness (mm)

Staircase Calculator

Number of steps, rise and run for a staircase.

How this works

Enter:

  • Total Rise (mm)
  • Ideal Riser (mm)
  • Going (tread) (mm)

Roof Area

Sloped roof area from footprint and pitch.

How this works

Enter:

  • Footprint Area (m²)
  • Roof Pitch (°)

Need more power?

BuildNFO Pro adds 40 professional tools — steel estimators, MEP, labor & cost estimating. Enterprise reaches 180 with building-cost and AI workflows.

See Pro & Enterprise →