Guides

Plain-language how-tos and reference tables for measuring and estimating materials — then jump straight to the calculator.

Measure any room or surface in square feet — rectangles, circles, triangles, and odd shapes.

Estimate concrete in cubic yards and bags, and decide between bagged mix and ready-mix delivery.

Understand the cubic yard — how big it is, how it converts, and how much material it holds.

Paint coverage explained — square feet per gallon, coats, and how surfaces change the math.

How much extra to add for cuts and offcuts — by material and layout.

Recommended depths for mulch, gravel, and bases — plus how much a cubic yard covers.