Calculators

Formula-backed answers for controls work.

Choose a calculator when you need a deterministic result from known inputs. Inspect a fixed worked example, then use Toolkit or Pro Toolkit for editable inputs, custom answers, and copy-ready output.

4-20 mA Scaling

Toolkit inputs

Convert raw input counts to engineering units

Live calculator

Ohm's Law Calculator

Toolkit inputs

Solve voltage, current, resistance, and power from two known values

Live calculator

Three-Phase Current Calculator

Toolkit inputs

Estimate single-phase or three-phase load current from kW, voltage, and power factor

Live calculator

Subnet Calculator

Toolkit inputs

Plan masks, usable hosts, broadcast, and ranges

Live calculator

Electrical Calculator Suite

Toolkit

Inspect Ohm's Law and current examples, then unlock editable inputs, power, motors, voltage drop, wire, transformer, fuse, and breaker workflows.

Complete subscriber suite