Material and cost estimates for every trade, in seconds
Free professional calculators for concrete, foundations, septic systems, decks, fencing and HVAC. Field-tested formulas that turn measurements into order-ready quantities and budgets.
Length
20 ft
Width
20 ft
Depth
4 in
Cubic Yards
4.94 yd³
Cubic Feet
133.3 ft³
80 lb Bags
223
0+
Pro calculators
0
Trades covered
0%
Free, no signup
0s
Average estimate time
Every estimate you need, in one place
Purpose-built tools for the jobs you run most. Each one delivers instant, field-ready numbers.
Find the right tool by trade
Jump straight to the calculators built for your specialty.
Built to make estimating effortless
Save time
Skip the spreadsheets and manual math. Get field-ready numbers in seconds so you can quote faster and move on to the next job.
Get accurate estimates
Every calculator uses real construction formulas trusted by the trades, with sensible defaults and clear units to prevent costly errors.
Reduce material waste
Order the right amount the first time. Built-in waste factors help you avoid both shortages and expensive leftover material.
From measurement to estimate in three steps
Pick your calculator
Choose from concrete, decking, fencing, septic, foundation and HVAC tools built for real jobs.
Enter your measurements
Type your dimensions or drag the sliders. Results update live with no page refresh.
Get your estimate
Read material quantities and cost breakdowns ready to order from or quote your client.
Construction calculators built for real projects
FoxCalc brings professional-grade estimating tools to every trade. Whether you are pouring a foundation, framing a deck, running a fence line or sizing a septic system, our calculators turn raw measurements into the exact quantities and costs you need to plan with confidence.
Each tool is grounded in the same formulas estimators and engineers rely on, paired with a fast, modern interface that works on the job site or at your desk. No spreadsheets, no guesswork, no surprises when the material arrives.
What you can estimate today
- Material takeoffs for concrete, decking and fencing
- Cost estimates with local pricing inputs
- Sizing tools for septic systems and HVAC ducts
- Code-aware geometry for stairs and structural pours
More calculators for roofing, drywall, paint and grading are on the way as we expand the FoxCalc library.
Questions, answered
Everything you need to know about using FoxCalc on your next project.
Estimate your next project in seconds
Join the contractors and builders who trust FoxCalc for fast, accurate numbers. No sign-up required.