Australia Calculators
ATO-aligned calculators for income tax, Medicare Levy, and payroll.
Australia Tools
Calculators built specifically for Australia tax rules, rates, and regulations.
Australia Income Tax Calculator
Estimate Australian income tax with resident/foreign taxpayer rates and optional Medicare levy.
Use tool →Australia Self-Employment Tax Calculator
Calculate the Australian Medicare Levy and Medicare Levy Surcharge for sole traders and self-employed workers.
Use tool →Australia Payroll Calculator
Estimate Australian net pay using current resident tax bands, Medicare levy, and pay frequency.
Use tool →Australia Grade Calculator
Calculate your Australian university GPA on the 7-point or 4.0 scale. Supports HD, D, CR, P, F grades and WAM calculations.
Use tool →Tools That Also Work for Australia
General-purpose business and finance tools compatible with AUD and international use.
VAT Calculator
Calculate VAT (Value Added Tax) for any country. Add or remove VAT from any amount with country-specific rates.
Use tool →Currency Converter
Convert between 60+ world currencies with live exchange rates. Supports USD, EUR, GBP, JPY, and currencies from every continent.
Use tool →Profit Margin Calculator
Calculate gross margin, operating margin, and net profit margin from your revenue, COGS, and operating expenses.
Use tool →Free Invoice Generator
Create professional invoices instantly. Add line items, tax, discounts, and download as PDF — no signup required.
Use tool →Freelance Rate Calculator
Calculate your ideal hourly or project rate based on your desired salary, expenses, taxes, and billable hours.
Use tool →Break-Even Calculator
Find out exactly how many units you need to sell or revenue you need to generate to cover your costs.
Use tool →ROI Calculator
Calculate return on investment, net gain, and ROI percentage for projects, marketing campaigns, or purchases.
Use tool →Markup & Margin Calculator
Convert between markup and margin percentages instantly. Calculate selling price from cost and desired profit.
Use tool →Discount & Sale Price Calculator
Calculate sale prices, discount percentages, double discounts, and original prices. See why stacked discounts aren't additive.
Use tool →Related Countries
Explore calculators for other countries in the same region.
Frequently Asked Questions
- Is ConvertCrunch free for Australia users?
- Yes. All Australia tools on ConvertCrunch are completely free with no signup, no ads gating, and no data uploads.
- What tax year do the Australia calculators use?
- The Australia calculators use 2024-25 tax year rates and thresholds. We update them each year when new rates are published.
- Are the Australia calculator results accurate enough for filing?
- Our calculators provide close estimates for planning purposes. Always verify final numbers with your accountant or tax authority before filing.
Editorial Review and Sources
Reviewed by the ConvertCrunch Editorial Team. Country pages are updated as regional tax-year thresholds and payroll standards change. See our editorial policy.