Should I add extra for angled or diagonal decking patterns?

Yes, diagonal board patterns typically need 10-15% extra material for angled end cuts, which this straight-layout calculation doesn't include.

Deck Board Calculator

Calculate the number of deck boards needed to cover a deck area, given standard board dimensions.

Inputs

Results

Try an example

Formula

Boards = ceil(Deck Area / (Board Width(ft) × Board Length))

Framing and Interior Material Estimates for a Renovation

Drywall sheets, board feet of lumber, cinder blocks, deck boards, and siding — five material estimates for framing and finishing a structure.

Board Feet Calculator

Calculate the board footage of lumber from its dimensions.

Flooring Calculator

Calculate how many boxes of flooring you need for a room.

Concrete Calculator

Calculate how much concrete you need for a slab, in cubic yards.

Paint Calculator

Calculate how many gallons of paint you need for a room.

Gravel Calculator

Calculate how many tons of gravel you need for a driveway or path.

Roofing Calculator

Estimate the number of roofing squares and shingle bundles needed.