GUIDES

Project planning guides

Practical explanations of measurements, formulas, material coverage, waste allowances and the assumptions behind our calculators.

How to Measure Square Footage

Measure rooms and rectangular surfaces accurately before estimating materials.

Understand volume, cubic feet, cubic yards and ordering allowances.

Learn how wall area, openings, coats and product coverage affect paint estimates.

Measure the area, choose a depth and understand why gravel weight depends on density.

Calculate mulch volume from bed area and depth and compare bulk with bagged products.

Turn floor area into a practical box estimate using waste and package coverage.

A reusable checklist for taking measurements that are easy to verify.

Learn why waste varies by material and how to make allowances more useful.

A step-by-step method for getting more reliable results from online calculators.

Estimate concrete for rectangular slabs and pads and understand cubic-yard ordering.

Plan patio concrete from length, width and slab thickness.

Learn the volume formula and how cubic feet become cubic yards.

Estimate driveway gravel volume and approximate weight.

Calculate gravel volume and understand approximate tonnage.

Estimate wall paint using room dimensions, openings, coats and coverage.

Calculate wall square footage before estimating gallons of paint.

Turn floor area and waste into a practical box estimate.

Understand how room shape and installation affect extra flooring.

Measure multiple rooms and turn area into a flooring purchase estimate.

Estimate cubic yards of mulch from bed area and depth.

Calculate separate rooms and add the areas without double-counting.