Construction calculators

Pick a calculator below. Each one shows its formula and assumptions in plain language, not just a number.

All calculators

Gravel Calculator

Figure out tons and cubic yards of gravel, crushed stone, sand, or topsoil for any area.

Asphalt Calculator

Estimate asphalt tonnage, cubic yards, weight, and optional material cost for a driveway or paving job.

Concrete Calculator

Work out cubic yards for a ready-mix order, or how many bags of premix concrete a slab needs.

Fence Calculator

Work out posts, rails, pickets, and concrete bags for any fence length and post spacing.

Roof Pitch Calculator

Convert rise and run into pitch ratio, angle in degrees, slope factor, and rafter length.

Guides

Asphalt vs. Concrete Driveway

Compare cost, lifespan, climate fit, and maintenance before picking a driveway surface.

Gravel vs. Crushed Stone

What actually differs between them, and which one fits common driveway and path projects.

How to Measure Your Yard for Materials

Measuring rectangular, irregular, circular, and sloped areas before you order anything.

Construction Material Glossary

Plain-language definitions for the terms used across every calculator on this site.

What Affects Material Cost

The real cost drivers behind gravel, concrete, and asphalt projects, without fake prices.

Fence Post Spacing

Typical spacing by fence type, and why gate and corner posts need extra concrete.

More calculators coming later

This site currently focuses on five of the most commonly searched construction estimates. If they prove useful, more calculators (paint, mulch, decking, drywall) will be added to this same directory using the same approach: a tested formula, a worked example, and a plain-language explanation. See the Methodology page for how the numbers behind each calculator are sourced.