Free Calculators for Contractors

Calculate material quantities, labor costs, and job pricing with free contractor calculators. Print your results or export them to Excel or CSV.

No account required Excel & CSV export Printable results
Saved calculations

Business Calculators

Labor Cost Calculator

Calculate your true hourly labor cost, including employer burden.

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Job Pricing Calculator

Calculate a job's selling price based on costs and your target profit margin.

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Markup & Margin Calculator

Convert between markup and margin to understand your pricing.

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Material Calculators

Concrete Calculator

Estimate bags, cubic yards, and ready-mix truckloads.

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Drywall / Sheetrock Calculator

Estimate sheets for walls, rooms, and ceilings.

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Paint Calculator

Estimate wall and ceiling paint by coats and coverage.

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Tile Calculator

Calculate tile quantities and full boxes.

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Roofing Material Calculator

Estimate shingles, roof tiles, metal panels, and accessories.

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Cinder Block Calculator

Estimate CMU blocks and approximate courses.

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Brick Calculator

Estimate brick counts by face size and wall configuration.

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Paver Calculator

Estimate pavers, aggregate base, and bedding sand.

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Gravel Calculator

Calculate gravel volume and supplier-specific weight.

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Mulch Calculator

Estimate mulch bags and bulk cubic yards.

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Sod Calculator

Calculate lawn coverage, rolls, and supplier-sized pallets.

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Wooden Fence Calculator

Estimate fence boards, posts, rails, and optional concrete.

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Insulation Calculator

Estimate batts, rolls, or product-specific blown-in bags.

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Flooring Calculator

Estimate plank flooring packages across multiple rooms.

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Coffee Calculator

Calculate how many cups of coffee you'll need to get through the workday.

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Ready to create an estimate?

Use our free estimate generator to prepare a completed estimate online, or choose a printable estimate template to fill out by hand.

Free Estimate Generator · Printable Estimate Template

Which pricing calculator do you need?

Start with the Labor Cost Calculator to calculate your hourly labor cost, including employer burden. Use the Job Pricing Calculator to price a job for your target profit margin. Use the Markup & Margin Calculator to understand the difference between markup and margin. For example, a 50% markup produces a 33.3% margin.

Frequently Asked Questions

Yes. Every calculator is free to use, with no account or signup required.

Yes. Every calculator exports results to Excel (XLSX) or CSV, so you can bring quantities and costs into your own spreadsheets, supplier orders, or job records. You can also print your results.

Saved calculations are stored in your browser on the device you used. They don’t sync to other devices, and clearing your browser data deletes them. Export to Excel or CSV to keep a permanent copy.

Yes. Material calculators include a waste allowance. Actual requirements depend on site conditions, product coverage, and installation method, so check the manufacturer’s specifications before ordering.

Results are estimates based on the dimensions and product details you enter. Use the product’s actual coverage from its label or spec sheet for the most accurate quantities.

Start with the Labor Cost Calculator to find your true hourly labor cost. Then use the Job Pricing Calculator to price a job for your target profit margin.

You've got the numbers. Now build the estimate.

Ready to turn your numbers into a professional estimate? Create estimates in Cinderblock, get customer approval, convert them into invoices, and accept card or ACH payments.

Try it for free 14-day free trial · No credit card required