Oz Finance Hub is a free suite of Australian tax and personal-finance calculators built for accuracy and speed. Work out your real take-home pay, income tax, Medicare levy, HECS/HELP repayments, superannuation, stamp duty, capital gains, novated leases, Fair Work award pay and dozens more — all using current ATO and Fair Work figures for the latest financial year. Every calculator runs instantly in your browser, shows take-home (not just gross), and explains the numbers with worked examples and plain-English guides. A Pro tier adds portfolio, CGT and dividend tools plus AI-powered insights for investors. No sign-up needed for the core tools, no overseas assumptions — just fast, reliable answers for Australians managing tax, pay, property and investments.