Free tools for the trades
Calculators & directories built for tradespeople
Accurate to published standards, with the math shown and every formula cited. Estimate materials, size a service, check your code, plan your certification — then find the job.
Trade calculators
Accurate material and load calculators with the math shown and every formula cited.
Concrete Calculator
Cubic yards, bag counts, weight and cost for slabs, footings, columns, walls, stairs and curbs.
Drywall Calculator
Sheets, joint compound, tape, screws and corner bead for any room.
Paint Calculator
Gallons of paint and primer by coats, coverage and surface porosity.
Lumber & Framing Calculator
Board feet, stud counts, joists, deck boards and fence materials.
Flooring & Tile Calculator
Boxes, tiles, grout and thinset with pattern-aware waste factors.
Heat Loss Calculator
Room-by-room heating & cooling load for HVAC and hydronic design.
Electrical Load Calculator
Minimum service size per CEC Rule 8-200 or NEC Article 220.
Square Footage Calculator
Area for any shape — rectangle, circle, triangle, trapezoid or multi-room.
Construction Unit Converter
Length, area, volume, weight, temperature plus board feet, gauge and PSI.
Pipe Volume Calculator
Volume and capacity of pipe by NPS and schedule, full or partially filled.
Slope & Grade Calculator
Percent, ratio, degrees and drainage fall from rise and run.
Code & compliance
Find which code edition is in force and who the authority is, by jurisdiction.
Training & careers
Pay, certification and training tools that connect to live trade jobs.
Pay & Salary Calculator
Hourly-to-salary, take-home pay by province or state, and trade wage benchmarks.
Certification Tracker
Red Seal hours, technical levels and exam steps by trade and province.
Trade Schools Map
Find apprenticeship programs and trade schools near you across Canada and the US.
Resume Builder
Build a professional trades resume with live preview and PDF & Word export — free with your account.
Cover Letter Builder
Write a cover letter that matches your resume, with AI drafting from any job posting — free with your account.
We're committed to keeping these tools accurate and improving them over time. If you'd like to contribute to their accuracy, or you run into any issues or errors, please email us at info@tradesppl.com.