Free Tools for Contractors

No sign-up required. Pick a tool and get your answer in 60 seconds.

HVAC Estimate Calculator

Estimate HVAC installation costs by system type, tonnage, and labor. Includes equipment, materials, and permit breakdowns.

Roofing Estimate Calculator

Estimate roof replacement costs by roof type, squares, pitch, and labor. Includes tear-off, permits, and disposal breakdowns.

Plumbing Estimate Calculator

Estimate water heater, toilet, and faucet installation costs by equipment tier and labor. Includes permits and emergency call fees.

Electrical Estimate Calculator

Estimate panel upgrades, outlet installs, light fixtures, and EV charger costs by tier and labor. Includes permit fees.

Landscaping Estimate Calculator

Estimate sod installation, paver patios, mulch and planting, and irrigation systems by tier and labor. Includes permit fees.

Markup Calculator

Convert between markup and margin. See the real selling price and compare your rates to trade benchmarks.

Software Cost Calculator

Compare the real annual cost of 9 estimating tools for your team size. Includes hidden fees and per-user pricing.

Frequently Asked Questions

Are these construction estimating tools really free?

Yes, all tools on this page are free to use with no sign-up required. Our Software Cost Calculator uses verified pricing data from 9 vendors, updated monthly.

How accurate is the software cost calculator?

Prices are verified against each vendor's website every month (last verified April 2026). The calculator uses base plan prices. Some vendors charge extra for add-ons like QuickBooks sync or premium support.

Which estimating software is cheapest for a solo contractor?

Clear Estimates at $65/mo is the cheapest dedicated estimating tool. If you also need scheduling and job management, Buildxact starts at $49/mo but charges per user.

What's the difference between flat-rate and per-user pricing?

Flat-rate tools charge one monthly fee regardless of team size (e.g., JobTread at $99/mo). Per-user tools charge per person (e.g., STACK at $183/user/mo). For teams of 3+, flat-rate tools are almost always cheaper.

Do you have free estimate templates too?

Yes. Visit our Templates page for free Excel and Google Sheets templates for HVAC, electrical, and plumbing estimates. They include material, labor, and markup calculations.