Construction

Construction

Construction calculators for area, paint, flooring, concrete, gravel, mulch, roofing, tile, and slope estimates.

Construction calculators

Area Calculator

Calculate rectangular area in square feet, yards, and meters.

Paint Calculator

Estimate paint needed from wall area, coats, and coverage.

Flooring Calculator

Estimate flooring area and boxes with waste included.

Concrete Calculator

Estimate concrete volume and 80 lb bags.

Gravel Calculator

Estimate gravel volume, tons, and material cost.

Mulch Calculator

Estimate mulch volume, bags, and cost.

Roofing Calculator

Estimate roof area, squares, bundles, and cost.

Tile Calculator

Estimate tile count for a rectangular area with waste.

Slope Calculator

Calculate slope percent, angle, and rise-run ratio.

Tank Volume Calculator

Calculate cylindrical tank volume.

Topsoil Calculator

Estimate topsoil volume for a rectangular area.

Cubic Yards Calculator

Convert project dimensions into cubic yards.

Board Feet Calculator

Estimate lumber board feet.

Stair Calculator

Estimate risers, treads, and total run.

Deck Spacing Calculator

Estimate deck board count and remaining width.

Other calculator categories

Time

Time calculators for dates, durations, time math, timestamps, timezones, work hours, age, and business days.

Finance

Finance calculators for loans, mortgages, APR, APY, simple interest, budgets, auto loans, retirement, debt, and everyday payments.

Math

Math calculators for arithmetic, geometry, percentages, ratios, rounding, roots, fractions, and statistics.

Physics

Physics calculators for motion, force, energy, electricity, and density.

Health

Health calculators for body metrics, calories, hydration, pace, due dates, body fat, and heart-rate zones.

Auto

Auto calculators for fuel economy, trip cost, EV charging, and tire sizing.

Business

Business calculators for margins, markup, break-even, taxes, salary, discounts, commission, ROI, and pay rates.

Education

Education calculators for grades, GPA, weighted scores, finals, and reading time.

Other Tools

Desktop Clock

Desktop Converter

Desktop Tools