Rental Yield Calculator Australia: Gross vs Net Yield Explained
How to calculate rental yield on an Australian investment property — gross yield, net yield, and what counts as a good yield.
MegaCalcOnline Blog
Australian tax guides, finance tips, calculator how-tos, and money advice — all free, all updated for 2025–26.
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Rental Cash Flow Calculator: Is Your Property Positive or Negative?
How to work out the weekly cash flow on an Australian investment property — rent minus mortgage and all holding costs — and what positive vs negative
Investment Property ROI Australia: How to Calculate Your Real Return
How to calculate return on investment for an Australian property — cash-on-cash return, total return with capital growth, and why leverage magnifies b
Land Tax in Australia: How It Works State by State
How land tax works across Australian states — thresholds, the main residence exemption, why it is assessed on total holdings, and how trusts and forei
Rent vs Buy in Australia: The Honest Financial Comparison
A balanced look at renting versus buying a home in Australia — the true costs of each, the break-even time horizon, forced saving, and why the right a
Property Investment for Beginners in Australia: A Practical Guide
A practical starting guide to property investment in Australia — borrowing capacity, deposit, growth vs yield strategy, the full cost, tax, and the mi
Rental Property Tax Deductions Australia: What You Can Claim
A checklist of Australian rental property tax deductions — immediate deductions, the repairs vs improvements line, depreciation, apportioning, and the
How Much Deposit for an Investment Property in Australia?
How much deposit you need for an Australian investment property — why 20% is the benchmark, buying with less and paying LMI, using equity, and the dep
Positive vs Negative Gearing: Which Property Strategy Is Right?
Positive vs negative gearing explained for Australian property investors — income now versus growth later, the tax difference, cash-flow neutral prope
Retaining Wall Cost Australia: Materials, Drainage and Estimating
How to estimate retaining wall cost in Australia — calculating wall area, material options from sleepers to masonry, why drainage is essential, and wh
Decking Calculator Australia: Boards, Framing and Cost
How to calculate decking materials and cost in Australia — converting deck area to lineal metres of board, joist spacing, timber vs composite, fixings
Paint Calculator: How Much Paint Do I Need Per Room?
How to calculate how much paint you need — measuring wall area, coverage per litre, why two coats is the default, primer, ceilings and trim, and allow
Fence Cost Calculator Australia: Posts, Panels and the Dividing Fence Rule
How to estimate fencing cost in Australia — calculating posts and panels, material options, sloping ground and gates, and the dividing fence rule for
Plasterboard (Gyprock) Calculator: How Many Sheets Do I Need?
How to calculate plasterboard sheets for a room in Australia — measuring wall and ceiling area, converting to sheets, choosing wet-area and fire-rated
Excavation and Soil Removal: Estimating Volume and Cost
How to estimate excavation and soil removal — calculating volume in cubic metres, the bulking factor that makes soil expand, why removal costs more th
Flooring Cost Per Square Metre: The Complete Estimating Guide
How to estimate flooring cost in Australia — measuring area, wastage, material types from laminate to hardwood, and the hidden costs of subfloor prep,
How to Create a GST Invoice in Australia: Requirements and Format
How to create a valid GST tax invoice in Australia — what a tax invoice must show, displaying GST correctly, the divide-by-11 rule, and what to do if
BAS Preparation Checklist: A Step-by-Step Guide for Australian Business
A step-by-step BAS preparation checklist for Australian small business — what to gather, totalling GST on sales and purchases, working out the net pos
Small Business Bookkeeping Checklist for Australia
A practical bookkeeping checklist for Australian small business — separating business and personal accounts, the ongoing routine, records to keep, GST
Contractor vs Employee Costs Australia: The True Cost Compared
Super, payroll tax, leave, workers comp and sham contracting risk, with a worked example showing the true total cost of each.
Take-Home Pay Australia 2025-26: Calculate Your Net Salary After Tax
How income tax, Medicare levy, HECS-HELP and super affect your net salary, with weekly, fortnightly and monthly breakdowns.
Rent vs Buy in Australia 2026
A practical, numbers-based comparison: upfront costs, ongoing costs, opportunity cost and break-even timeframes with worked examples.
Break-Even Analysis: How Many Sales Until You Profit?
How to calculate your business break-even point — fixed vs variable costs, contribution margin, the break-even formula, and using it to test pricing d
Cash Flow Planning for Small Business: Why Profit Isn't Enough
How to plan cash flow for a small business in Australia — why cash flow matters more than profit, the timing gap, building a forecast, and setting asi
Business Expense Tracking and the ATO Logbook in Australia
How to track business expenses in Australia for maximum deductions — what counts, the records the ATO expects, the vehicle logbook method, home-office
Percentages, Fractions and Ratios: The Everyday Maths Guide
Percentage change, reverse percentages, adding fractions and scaling ratios — the everyday maths people use, with worked examples.
Algebra and Notation: Quadratics, Scientific Notation and Number Systems
The quadratic formula and discriminant explained, plus scientific notation, matrices and binary made clear with step-by-step examples.
Understanding Statistics: Probability and Standard Deviation
How likely an event is, what data spread means, and the population-versus-sample difference that quietly changes the answer.
Concrete Calculator Australia: Slabs, Post Holes and Cost
How to work out concrete volume for a slab, footing or post hole — bags versus ready-mix, wastage, and what a load really costs.
Gravel and Mulch: How Much to Order and What You'll Pay
Estimating gravel, road base and garden mulch — cubic metres, converting to tonnes, bags versus bulk delivery, and spread depth.
Tiling and Roofing: Quantities, Wastage and Cost
Calculating tiles for a bathroom and materials for a roof — wastage allowance, the roof-pitch problem, and what drives the cost.
Stairs, Square Metres and Air Conditioning
Setting out a staircase to code, measuring floor area correctly, and sizing air conditioning in kW and BTU for an Australian room.
How Does Compound Interest Work in Australia?
The formula, a worked $10,000 example, and why interest-on-interest turns modest savings into serious wealth over time.
Compound Interest Calculator with Monthly Deposits
How regular saving changes the maths — worked Australian example showing $200/month growing to $34,294 over 10 years.
Compound Interest Examples for Beginners (AU)
Four worked examples — savings account, term deposit, monthly compounding, and credit card debt — in plain Australian dollars.
How to Calculate Compound Interest Yearly
Step-by-step guide using A = P(1+r)^t with a $8,000 worked example and year-by-year breakdown table.
Compound Interest for Retirement Savings in Australia
Starting super at 25 vs 35 — a 10-year head start is worth $73,600 at retirement. Here is the maths.
Best Compound Interest Calculator Australia (Free)
What makes a compound interest calculator actually useful for Australians — and how to compare two products side by side.
Compound Interest vs Simple Interest Explained
Same rate, same term — compound interest earns $240 more than simple interest on $6,000 over 6 years. Here is why.
How Long Does Compound Interest Take to Double Money?
The Rule of 72 explained: divide 72 by the interest rate to estimate how many years it takes to double your money.
Compound Interest on $10,000: Full Worked Example
Four scenarios — different rates, terms, and compounding frequencies — showing exactly how $10,000 grows over time.
Compound Interest Investment Strategy Guide (AU)
Time, consistency, and low costs matter more than chasing the highest rate. The three levers of a compounding strategy.
Family Budget Planner Australia: Free Template Guide
Worked example for a two-income family of four with $9,500 monthly income — including school fees and irregular costs.
Weekly Household Budget Template (Free, AU)
How to convert monthly bills to weekly amounts correctly — and a full worked example for a $1,450/week household.
Budget Calculator for Couples: Combine Finances (AU)
Proportional split vs 50/50 — worked example showing how two partners on different incomes can budget fairly.
How Much Should I Save Every Month? (AU Guide)
The 20% rule, pay-yourself-first, and goal-based saving — with a worked house deposit example showing $1,146/month.
Beginner Budgeting Guide Australia: Start Here
Five steps to your first budget, the 50/30/20 rule explained, and a worked example for a $4,200/month income.
Personal Finance Budget Checklist (Free, AU)
A seven-step repeatable monthly checklist covering income, fixed costs, variable costs, debt, irregular expenses, and savings.
Budget Planner for Students in Australia (Free)
Part-time income, Youth Allowance, HECS, textbooks and share housing — a student budget that accounts for all of it.
Emergency Fund Calculator Guide (Australia)
How to calculate your target: essential monthly expenses × months of cover, then work backward to a monthly savings amount.
How to Pay Off Credit Card Debt in Australia: Avalanche, Snowball, and Balance Transfer
Three proven strategies to clear credit card debt — with worked cost comparisons showing which saves the most interest.
Debt Consolidation in Australia: When It Works and When It Costs You More
Debt consolidation only saves money if the new rate is lower AND you close the old accounts. The maths, the traps, and the step-by-step process.
Personal Loans in Australia 2025-26: Rates, Eligibility, and What to Compare
Current personal loan rates from 7% to 20%+, secured vs unsecured differences, and how comparison rates reveal the true cost.
Profit Margin vs Markup: The Difference Australian Businesses Get Wrong
Confusing margin and markup means systematic pricing errors. The formulas, worked examples, and how to set prices correctly.
How Australian Inflation Affects Your Money: What the CPI Actually Means
CPI measures the average — but your inflation rate may differ significantly. How inflation affects savings, debt, and purchasing power.
Business Loans in Australia 2025-26: Types, Rates, and What Lenders Require
From unsecured working capital loans to invoice financing, current business loan rates and what documents you need.
How to Create a Budget in Australia: A Practical 2026 Guide Using the 50/30/20 Rule
Start with take-home pay not salary. Worked budget examples at common Australian income levels with category breakdowns.
Lease vs Buy a Car in Australia: The Real Cost Comparison for 2025-26
Novated lease, finance lease, and car loan compared. The EV FBT exemption, residual value traps, and who each option suits.
How Much Super Should I Have at My Age? Australian Benchmarks 2025-26
ASFA benchmarks vs ABS actual medians — and what to do if your super is behind for your age.
Transition to Retirement (TTR): How It Works and Whether It's Worth It in 2026
Draw up to 10% of super while still working. The salary sacrifice strategy, tax treatment at different ages, and when TTR is worth setting up.
How to Find Your Lost Superannuation in Australia (Step-by-Step Guide)
The ATO holds billions in lost super. Find yours through myGov in under 5 minutes — with the insurance warning before you consolidate.
Self-Managed Super Funds (SMSF): Costs, Rules, and Who They Actually Suit
True annual SMSF costs ($2,000-$7,000+), the ATO's trustee obligations, what you can invest in, and the minimum balance threshold.
Superannuation Death Benefits: Who Gets Your Super and How It's Taxed
Super does not automatically form part of your estate. Binding death nominations, eligible beneficiaries, and death benefit tax rates.
Division 293 Tax: What It Is, Who Pays It, and How to Reduce It
An extra 15% tax on super contributions for incomes over $250,000. How it's calculated, how to pay it, and strategies to minimise it.
Super Contribution Caps 2025-26: Concessional, Non-Concessional, and Carry-Forward Rules
$30,000 concessional cap, $120,000 non-concessional cap, bring-forward rules, and what happens when you exceed the limits.
Account-Based Pension Australia: How Retirement Income Streams Work in 2025-26
Minimum drawdown rates by age, tax-free income from age 60, the $1.9M transfer balance cap, and how long your pension balance lasts.
How Much Can I Borrow for a Home Loan in Australia? (2025–26)
How lenders calculate borrowing capacity using the APRA 3% buffer. Worked examples at $80k, $120k, and $200k income with HECS and credit card impacts.
How to Save a House Deposit in Australia: A Realistic 2026 Plan
How much you actually need (not $200k), how long it realistically takes, and the fastest legitimate strategies to reach your target.
Lenders Mortgage Insurance Australia: What It Costs and How to Avoid It
LMI cost tables at 5%, 10%, and 15% deposits on $500k-$1M properties, plus four legitimate ways to avoid paying it entirely.
Offset Account vs Redraw Facility: Which Saves More on Your Mortgage?
Both save the same interest — but for investors, the tax implications are completely different. Worked examples and a clear comparison.
Fixed vs Variable Home Loan Rate: Which Is Better in 2026?
With the RBA at 4.35% after three 2026 hikes, the fixed/variable choice looks different. Current rate data, break costs, and who each option suits.
BMI Explained: What Your Number Actually Means
How BMI is calculated, what AIHW healthy weight categories mean, and where BMI genuinely falls short.
Body Fat Percentage: The Better Alternative to BMI
Why body fat percentage gives a clearer picture than BMI, plus the Army Body Fat method explained.
BMR vs TDEE: How Many Calories Do You Actually Burn?
The Mifflin-St Jeor formula explained with a full worked example.
How to Calculate Your Macros for Your Goals
Protein, carb and fat targets for cutting, maintaining and bulking.
Ideal Weight and Body Type: Why the Ideal Depends on Your Frame
Ideal weight formulas and the three somatotypes explained.
Pregnancy Due Date and Conception Calculators Explained
How due dates are calculated and what to expect from weight gain guidelines.
Period and Ovulation Tracking: Understanding Your Cycle
The phases of the menstrual cycle and how the fertile window is estimated.
One Rep Max & Target Heart Rate: Calculators for Serious Training
How to estimate 1RM safely and structure heart rate training zones.
1RM Percentage Chart — Reps & Training Weights by %1RM
Training weights and approximate rep ranges at each percentage of your one-rep max, with formula and worked examples.
What Is RPE in Strength Training? RPE Explained for Lifting
What RPE means, how lifters estimate it, why coaches use it for autoregulation, and its real limitations.
RPE Chart: RIR, Reps & % of 1RM for Strength Training
The RPE-to-RIR scale, an RPE percentage chart by reps, what each rating feels like, and worked examples.
RPE vs RIR: What's the Difference?
How the two strength-training effort scales relate, where they differ, and which is easier for beginners.
What Is a Good VO2 Max? VO2 Max by Age and Sex
What counts as a good VO2 max by age and sex, using peer-reviewed FRIEND registry percentile data.
How to Improve VO2 Max: Training Methods Explained
Evidence-based ways to improve VO2 max — HIIT vs steady-state, how long it takes, and the role of genetics.
Cooper 12-Minute Run Test: VO2 Max Formula, Results & Guide
How to perform the Cooper test, the original 1968 VO2 max formula, a worked example, and who should avoid it.
What Is FFMI? Fat-Free Mass Index Explained
What FFMI measures, how it relates to lean mass and muscle, why height normalization matters, and its limits.
How to Calculate FFMI: Formula and Worked Examples
Step-by-step guide to calculating FFMI and normalized FFMI by hand, with fully worked examples.
FFMI Chart: What Is a Good FFMI for Men and Women?
An honest FFMI chart and interpretation guide, including the research behind FFMI 22-25 and its limits.
Is 8 Glasses of Water a Day Enough? The 8x8 Rule Explained
Where the "8 glasses a day" rule came from, what it equals in litres/oz/mL, and how it compares to official guidance.
Water Intake by Weight Chart: How Much Should You Drink?
A quick-reference chart for daily water intake by body weight in kg and lb, plus how to adjust for exercise.
Does Coffee and Tea Count Toward Your Water Intake?
What the research actually shows about caffeinated drinks and hydration, and how much they contribute daily.
Signs of Dehydration and Overhydration: Are You Drinking Enough?
How to recognise dehydration and overhydration, a urine colour guide, symptom checklist, and when to seek help.
Blood Alcohol Calculator: How BAC Actually Works in Australia
Standard drinks, the 0.05 limit, and why no calculator guarantees you are safe to drive.
GFR, Sleep & Body Surface Area: Three Health Numbers Worth Knowing
What eGFR measures, how sleep cycle calculators work, and what BSA is used for.
How Much Tax Do You Pay on Crypto in Australia? (2025–26)
How much you pay on crypto gains depends on your income, holding period and whether the 50% CGT discount applies. Worked examples at every income level.
How to Report Crypto on Your Australian Tax Return (myTax Guide)
Step-by-step guide to reporting crypto capital gains in myTax, including what the ATO already knows and what records you need.
Are Crypto Losses Tax Deductible in Australia?
Capital losses on crypto can offset capital gains but not salary income. Covers carry-forward rules and the ATO wash sale warning.
Gifting Crypto in Australia: What Tax Do You Pay?
Gifting crypto triggers CGT at market value — even though no money changes hands. Covers worked examples, recipient tax position and charity donations.
How to Legally Minimise Your Crypto Tax in Australia (2025–26)
Seven ATO-compliant strategies to reduce crypto tax — including the 12-month discount, timing disposals, offsetting losses, and donating to charity.
Best Crypto Tax Software for Australians 2025–26: Koinly, Syla & More
Comparing Koinly (best overall), Syla (best value) and other crypto tax platforms for Australian users — what each costs and who each suits.
Free Crypto Tax Calculator Australia 2025–26 | Bitcoin & Crypto CGT
How to use the free MegaCalcOnline crypto tax calculator — what it covers, how it works, and what counts as a taxable disposal under ATO rules.
Crypto Tax Australia 2025–26: The Complete Guide to Bitcoin and Cryptocurrency CGT
How the ATO taxes crypto, crypto-to-crypto swaps, the personal use asset exemption, and what the proposed 2027 CGT reform means for crypto investors.
Superannuation Withdrawal Rules 2025: When and How You Can Access Your Super
Preservation age table, conditions of release, transition to retirement pensions, early access on compassionate grounds, and tax on withdrawals explained.
ATO Depreciation Rates 2025: Complete Guide for Property Investors and Business Owners
Building write-off, plant and equipment depreciation, prime cost vs diminishing value, quantity surveyor reports, and the second-hand asset restriction explained.
How to Read Your Australian Payslip: Every Line Item Explained
Gross pay, PAYG tax withheld, superannuation, common deductions and year-to-date figures explained line by line — plus red flags to watch for.
First Home Buyer Grants Australia 2025: Every State Compared
Complete state-by-state breakdown of First Home Owner Grants and stamp duty concessions, plus the federal Home Guarantee Scheme for low-deposit buyers.
Fringe Benefits Tax (FBT) Australia 2025: What It Is and Who Pays It
FBT rate, who actually pays it, car fringe benefits explained, common exemptions, and the EV salary packaging exemption that's saving employees thousands.
Medicare Levy Surcharge 2025–26: How to Avoid It and What It Actually Costs
2025-26 income thresholds, how the MLS differs from the standard Medicare levy, and a real cost comparison against private health insurance.
Australian Income Tax 2025–26: Complete Guide to Brackets, Offsets & Deductions
ATO tax brackets, LITO, Medicare levy, HECS repayment, and how to maximise your refund. Real examples at every income level.
Negative Gearing Australia 2025: How It Works, The Tax Benefits, and Is It Worth It?
A complete guide to negative gearing — how the tax deduction works, what you can claim, depreciation explained, and whether the strategy suits your situation.
Capital Gains Tax Australia 2025: The Complete Guide to CGT on Shares, Property and Crypto
The 50% CGT discount, how to calculate your cost base, CGT on shares, property and crypto, and legal strategies to reduce your bill.
GST Calculator Australia 2025: How to Add and Remove GST (With Examples)
How to add 10% GST to a price, the 1/11 rule for removing GST, GST registration thresholds, and your BAS obligations explained clearly.
Age Pension Australia 2025: Rates, Income Test, Assets Test and How Much You Can Get
Current Age Pension rates, how the income and assets tests work, deeming explained, and strategies to maximise your Centrelink entitlements.
Work From Home Tax Deductions Australia 2025: The 67 Cents Per Hour Method Explained
How the 67c/hr fixed rate works, what it covers, full-year record-keeping requirements, and when the actual cost method gives a bigger deduction.
HECS-HELP Repayment 2025–26: Thresholds, Rates, and How to Pay Off Your Debt Faster
Complete 2025-26 HECS repayment threshold table, the indexation issue explained, voluntary repayment strategies, and rules for Australians living overseas.
Salary Sacrifice into Super 2025–26: How Much Tax Can You Save?
Salary sacrificing into super is taxed at 15% instead of your marginal rate. We explain the $30,000 cap, carry-forward rules, and Division 293 for high earners.
Stamp Duty Australia 2025: Every State and Territory Compared
Full stamp duty rate tables for NSW, VIC, QLD, WA, SA, TAS and ACT. First home buyer concessions and the FHOG by state.
Redundancy Pay Australia 2025: Your Complete Entitlements Guide
NES minimum entitlements, the tax-free component ($12,524 + $6,264/yr), notice period, leave payouts, and what to do with your redundancy payout.
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