Construction & DIY Calculators

More Than a Calculators

Construction & DIY Calculators

Plan projects faster with material and measurement calculators for concrete, flooring, paint, roofing, framing, landscaping, and home improvements.

Concrete & Masonry

Estimate volumes, bags, reinforcement, and masonry materials.

Flooring & Tile

Plan tile counts, flooring area, underlayment, and waste percentage.

Paint & Finishes

Estimate paint, primer, and coverage for rooms and exterior surfaces.

Roofing

Estimate roof area, pitch, shingles, and materials.

Framing & Lumber

Estimate studs, joists, board feet, and decking.

Landscaping

Mulch, gravel, soil, and lawn area planning tools.

Stairs & Angles

Rise/run, slope, and angle calculators for layout and cuts.

Construction & DIY Calculators FAQ

Quick answers to common material estimating questions.

How do I avoid running short on materials?

Add a waste factor (often 5–15%) depending on the project—tile patterns, cuts, and irregular rooms need more buffer.

Why do concrete estimates vary?

Actual depth, sub-base, forms, and spillage change the final volume. It’s normal to round up slightly for safety.

How many coats of paint should I plan?

Two coats are common for most walls. Porous surfaces and big color changes may need primer and extra coats.

What’s the easiest way to estimate flooring?

Calculate area (square footage), then add a waste percentage. Complex layouts and diagonal installs require more waste.

Are these calculators exact?

They’re accurate for math, but real projects depend on site conditions, product sizes, packaging, and local building practices.

Need a different tool?

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