← TradeCalc

🏗️ Trade Shops

The math your trade actually runs on — explained first, drilled second. No login.
🌀

Sheet Metal & HVAC

Tape math to flat-oval tanks, plus the full TAB section — 14 skills

🪚

Carpenter

Board feet, rafters, pitch, stairs, layout, concrete, waste — 8 skills

Electrician

Ohm's law, power, multipliers, circuits, transformers — 8 skills

🔧

Plumber

Offsets, grade, take-offs, mixing, pressure — 8 skills

🧰

Layout & Prints

Scale, squaring, elevations, dimension strings, grading, estimating — 12 skills. The gatekept stuff.

🔥

Welder

Fit-up, pipe, bevels, preheat °F↔°C, consumables, travel speed — 8 skills

🪝

Rigger

Load weights, sling angles, CG, parts of line, capacity — 8 skills

🚜

Heavy Equipment

Load charts, boom triangles, grades, production, moments — 8 skills

🌉

Metric Bridge

Coming from the metric system? Lesson, drill, and game — millimeters to the tape measure.

Correct 0Streak 0🔥
Decimals like 14.14 or fractions like 3 1/2 — both count.