Construction & Trades calculators
6 calculators in this category.
Concrete Volume Calculator
Calculate how much concrete you need for a slab, footing, wall, or round column — in cubic yards, cubic metres, and 60/80 lb bags. Imperial or metric, with a waste allowance. Free, no sign-up.
Gravel & Aggregate Calculator
Work out cubic yards and tonnage of gravel, sand, crushed stone, topsoil, or fill for any area and depth. Picks density by material, supports custom values, imperial and metric.
Demolition Debris & Dumpster Calculator
Estimate how many tons and cubic yards of debris a demolition creates and how many 10, 20, 30, or 40 yard dumpster loads you need. Planning figures by structure type, adjustable max load weight, imperial and metric.
Asphalt Tonnage Calculator
Calculate the tons of hot-mix asphalt needed to pave an area at a given compacted thickness. Adjustable mix density and waste allowance, US tons and metric tonnes.
Drywall Sheet Calculator
Find how many drywall sheets you need for a given wall and ceiling area, plus estimates of screws, joint tape, and compound. Supports 4×8, 4×10, and 4×12 sheets with a waste allowance.
HDD Mud Volume Calculator
Calculate drilling fluid volume for your horizontal directional drilling bore. Accounts for bore length, reamer diameter, and soil excess factor. Free, no sign-up, works in your browser.