6 calculator

Engineering

Ohm's law calculator

Resistor color code calculator

Wire gauge calculator

Voltage drop calculator

Capacitor energy calculator

Newton's second law calculator (F = m·a)

Local context: New Zealand specifics

New Zealand keeps things simple, and Engineering reflects that — one GST rate, metric units, no state-level variation.

Key local facts

Local examples

Every figure above applies to New Zealand specifically and is reviewed when the rules change.