codecalc ~ % list --all
Calculators that just work.
12 trade & code calculators — electrical, concrete, framing, HVAC and shop math. No sign-up, instant answers, built to be right.
## Electrical
- >Ohm's Law & PowerSolve voltage, current, resistance and power from any two known values.
- >Voltage DropCopper or aluminum conductor voltage drop for a one-way run length.
- >Copper Wire AmpacityNEC 310.16 ampacity for copper conductors at 60/75/90 °C.
- >EMT Conduit FillCheck conductor fill against the 40% NEC limit for EMT.