Free tools
Four calculators for South African electrical contractors. No sign-up, no email required, and nothing hidden until you hand over an address — your numbers stay in your browser.
Markup vs margin
A 50% markup is a 33.3% margin. See the difference on your own numbers.
Labour hourly rate
Work out the rate that covers your costs and pays you what you want to earn.
Cost of unpaid invoices
What late payers cost you a year — money tied up, plus hours spent chasing.
CoC expiry checker
How long a Certificate of Compliance has left before re-inspection.