Construction Calculators · cluster

Free Space & Climate Sizing Calculators

Area totals and HVAC sizing.

2 calculators in this cluster

Free Square Footage Calculator

Area of rectangular rooms, plus optional material cost.

Free BTU Calculator

AC or heater BTU needed to cool or heat a room.

square footageBTUheat loadR-value

Free Concrete & Masonry Calculators

Slabs, footings and aggregate volumes.

Free Surfaces & Finishes Calculators

Flooring, tile, paint and wall finishes.

Free Structures & Exteriors Calculators

Framing, roofing, fencing and outdoor work.