Learn Construction & DIY — Calculator Tutorials & Guides
8 step-by-step guides for construction & diy. Master calculation methods with detailed examples and practical tips.
Paint Calculator – Estimate Coverage & Paint Needed
Calculate how much paint you need for walls, ceilings, and trim. Account for coats, coverage, and waste with our paint calculator.
How to Calculate Patio Materials - Pavers, Gravel & Sand Guide
Learn how to calculate pavers, gravel, sand, and edging for your DIY patio. Step-by-step formulas, waste factors, drainage slope, and pro tips for a stable, long-lasting build.
Concrete Volume Calculator - Slab & Footing Estimator
Estimate how much concrete you need for slabs, footings or columns. Convert units and calculate bag quantities to avoid waste.
Roofing Calculator – Shingles & Materials Estimator
Estimate roofing materials, shingles, and waste with our roofing calculator. Calculate roof area, squares, and bundles easily.
Stair Calculator – Rise, Run & Stringer Design Tool
Design safe, code-compliant stairs with our stair calculator. Calculate rise, run, stringer length, and tread/riser dimensions for any project.
How to Calculate Tile Needed - Waste, Grout & Layout Guide
Learn how to manually calculate tile, thinset, and grout quantities for any room. Includes grout lines, waste factors, and pattern adjustments.
How to Calculate Area - Formulas & Examples
Area formulas for circles, rectangles, triangles and more with step-by-step examples and unit guidance.
How to Calculate Volume - Shapes & Worked Steps
Compute volume for cylinders, spheres, prisms and tanks. Worked examples, units and conversion tips.