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: conditions in South Africa

South African costs move with tariffs and levies, so Engineering uses SARS-aligned rates and rand pricing.

Key local facts

Local examples

Every figure above applies to South Africa specifically and is reviewed when the rules change.