Omni Calculator (Construction)

Omni has a large set of construction calculators that are easy to use on a phone. They're handy on site when you need a quick number.

What you can do with it

• Calculate concrete for slabs, columns and footings
• Work out roof pitch, rafters and stairs
• Estimate blocks, bricks and paint

Good to know

Always add a bit extra for waste on top of the calculated amount.