Free Online Finance Tools
13 free browser-based finance tools — no sign-up, no server uploads, all processing happens in your browser.
Compound Interest Calculator
Calculate compound interest with monthly, quarterly, or annual compounding. See how investments grow over time with optional monthly contributions
Salary to Hourly Calculator
Convert annual salary to hourly rate and hourly to salary. See breakdowns for daily, weekly, bi-weekly, monthly, and quarterly pay periods
ROI Calculator
Calculate return on investment percentage, net profit, and annualized ROI from your investment cost and returns
Markup & Margin Calculator
Calculate markup percentage, profit margin, and selling price from cost. Convert between markup and margin instantly
Tip Calculator
Calculate tips and split bills easily. Choose tip percentage, split between multiple people, and see per-person amounts
Free Invoice Generator
Create and download professional PDF invoices for free. Add line items, tax, payment terms, and company details — all in your browser
Profit Margin Calculator
Calculate gross and net profit margin, markup percentage, and cost ratio from revenue and costs. Compare margin scenarios instantly
Business Name Generator
Generate creative business name ideas for any industry. Get professional, modern, and unique name suggestions with one click
BAS Calculator
Calculate your quarterly Business Activity Statement GST amounts. Estimate GST on sales, purchases, and net payable or refund. Free Australian BAS calculator 2026
Sole Trader Tax Estimator
Estimate Australian sole trader income tax, Medicare levy, and take-home pay for 2025-26. Free sole trader tax calculator with ATO tax brackets
ABN Lookup
Validate Australian Business Numbers with the official ABN algorithm. Check ABN format, view validation breakdown, and extract ACN. Free ABN lookup tool 2026
Work From Home Deduction Calculator
Compare fixed rate (67c/hr) vs actual cost method for Australian work from home tax deductions 2025-26. Find which method gives you a bigger deduction
Crypto Tax Calculator AU
Calculate Australian capital gains tax on cryptocurrency trades. 12-month CGT discount, multiple trades, ATO 2025-26 tax brackets. Free crypto tax calculator