Free · Live data · Updated monthly
📍 June 2026 data — all calculators updated

Property calculators, actually useful.

The same engine our $5–$39 reports use, broken out into free tools. APRA-compliant, state-aware, no spreadsheet duct-tape. Use them as much as you like.

Tax · 8 states

Stamp Duty Calculator

2025–26 slab tables for every Australian state and territory. Owner-occupier (PPOR) and investor rates. Compare side-by-side which state has the cheapest duty for your purchase price.

→ NSW · VIC · QLD · WA · SA · TAS · ACT · NT
Investment income

Rental Yield Calculator

Gross yield, net yield (after holding costs), and cash-on-cash return (after vacancy + management). Three numbers your spreadsheet probably gives you one of.

→ Gross · Net · Cash-on-cash
Lending · APRA-compliant

Borrowing Power Calculator

DTI cap (6× income) and APRA serviceability buffer (rate + 1.5pp) — we show which one binds your borrowing limit and what target price four different deposit scenarios put within reach.

→ DTI · APRA buffer · 10/15/20/30% deposit
Investor · negative gearing

Investment Cashflow Calculator

Full investment property cashflow with negative-gearing math at your marginal tax rate. Weekly out-of-pocket BEFORE and AFTER the tax refund — most calcs only show pre-tax.

→ Pre-tax + after-tax
ATO-compliant

Capital Gains Tax Calculator

CGT on a future sale — 50% discount if held over 12 months, marginal rate stacking, PPOR exemption. The number the ATO wants when you sell an investment property.

→ 50% discount · PPOR exemption
Mortgage basics

P&I Loan Calculator

Monthly, fortnightly, or weekly repayments. Total interest over the loan. Year-5 and Year-15 balance snapshots. The math behind every mortgage quote you'll receive.

→ Monthly · Fortnightly · Weekly
Side-by-side

Loan Comparison Calculator

Compare up to 3 loans head-to-head. Headline rate, fees, total cost over your term. We automatically highlight the cheapest — and show how much you'd save vs the most expensive option.

→ Rate + fees · Lifetime cost
Investor · ATO Div 40/43

Tax Depreciation Calculator

Year 1 capital works (Div 43, 2.5% straight-line) + plant & equipment (Div 40, diminishing value) deductions on an investment property. 10-year cumulative tax saving estimate.

→ Div 43 + Div 40 + tax saving

Or skip the calculators and get the full read.

For a specific property, the Full Second Opinion runs all of these calculators plus the suburb cycle, comparable sales, demographics, and APRA stress test across 7 rate scenarios. One 19-page PDF, $39 — easy to share with your buyer's agent, broker, or conveyancer.

Get your report — $19 →

For a specific property, the Full Second Opinion runs all these calculations plus suburb cycle + APRA stress test. One 20-page PDF — $39.