Free financial tools
Work out tax, repayments, returns and contributions using the published rates. Every calculator shows the formula it used and links to the source it came from.
82 free tools. No sign-up, nothing stored.
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Compounding, goals, term deposits, and emergency funds.


Compound interest
See what a starting balance plus regular deposits grows into, and how much of the final figure is interest rather than your own money.


Savings goal
Pick a target and a deadline to get the monthly deposit, or pick a deposit to see when you get there.


Emergency fund
Size a cash buffer against what you actually have to spend, not what you earn, and see how long it takes to fill.


Sinking fund
Turn a lumpy future bill — insurance, a car service, Christmas, a replacement laptop — into a flat monthly amount.


Term deposit
What a fixed-rate deposit pays at maturity, and how much difference the interest-payment frequency makes.


Inflation
What an amount of money is worth after inflation, forwards or backwards, and how much purchasing power the years take out of it.


APY
Convert an advertised nominal rate into the yield you actually earn, and see what the compounding frequency is worth on your balance.


ISA
What a tax-free savings wrapper is worth against the same money held in a taxable account.
Repayments, borrowing power, stamp duty, and yield.


Mortgage repayment
Work out the repayment on a home loan, how much of it is interest, and what paying a little extra each period actually saves you.


Home affordability
What the standard 28/36 lending ratios allow you to buy, which of the two is actually limiting you, and what your other debts are costing in purchase price.


ARM vs fixed rate
What an adjustable rate saves you while the starting rate holds, and what it costs if the rate climbs as far as your caps allow.


Offset account
What money parked in an offset account is worth: interest saved, and how much sooner the loan finishes.


Rental yield
Gross and net rental yield, with vacancy and running costs taken out — the figure an agent’s "yield" usually is not.


Refinance
Whether switching loans is worth it: the monthly saving, how long the costs take to come back, and what the change does to total interest.


Rent vs buy
Compares the true net cost of renting and buying over the years you actually stay, counting transaction costs, running costs and the return on a deposit left invested.


Stamp duty
Property transfer duty by jurisdiction, with any first-home concession and the price at which relief stops.


Extra repayment
What paying a little more each month does to your loan: the years it removes, the interest it saves, and how early the payoff date moves.


PMI
What mortgage insurance costs on a low-deposit loan, and when the balance reaches the level at which it can be cancelled.


Mortgage
Mortgage payments using the semi-annual compounding convention required in Canada.


Stamp duty
Property transaction tax by jurisdiction, with first-time buyer relief and any additional property surcharge.


Negative gearing
What an investment property costs each week after tax relief, with non-cash deductions separated from real outgoings.


LMI
What mortgage insurance costs on a low deposit, including any duty on the premium and the deposit needed to avoid it.


First home buyer
The government support available to a first home buyer, totalled across every applicable scheme.


Property tax
Estimated property tax with the assessment ratio, exemptions and any assessment cap applied.
Amortisation, payoff order, and what extra repayments buy you.


Debt payoff — avalanche vs snowball
Order several debts by interest rate or by balance, add whatever you can spare, and see which order clears them sooner.


Credit card payoff
What paying only the minimum really costs, against paying a fixed amount every month until the card is clear.


Car loan
Repayments and total interest on a car loan, with the effect of a longer term and of paying a little extra each time.


Personal loan
Repayments, total interest and the payoff schedule on an unsecured personal loan, including what extra repayments are worth.
Where the money goes, and how much of it you keep.


50/30/20 budget
Split take-home pay into needs, wants and saving, then compare the split against what you actually spend now.


Savings rate
Your savings rate, and what it means: the years between now and the point where investments cover your spending.


Net worth
Everything you own minus everything you owe, split into what is liquid today and what is locked in property or retirement.


Subscription cost
Add up what recurring charges cost across a year, and what the ones you would cancel are worth if invested instead.


Child Care Subsidy
What child care costs after a means-tested subsidy, including any cap that limits what the subsidy applies to.


Paid Parental Leave
What government-funded parental leave is worth across the weeks taken, including any employer top-up.
Returns, fees, rebalancing, and the tax on your gains.


CAGR — annualised return
Turn a start value, an end value and a period into one annual growth rate — with your own deposits taken back out of it.


Investment fee
What a percentage point of fees actually costs over a working life, against a low-cost alternative.


Real return
What a return is worth after inflation and tax — the growth in what the money can actually buy.


Rule of 72
How long money takes to double at a given return — the mental shortcut, and the exact answer beside it.


Asset allocation
A starting split between growth and defensive assets based on your age, your horizon and how you actually behave in a fall.


Portfolio rebalancing
The buy and sell amounts that bring each holding back to its target weight, using new money first where possible.


Lump sum vs dollar-cost averaging
Investing a windfall all at once against drip-feeding it in — the cost of waiting when markets rise, and why people still wait.


Currency conversion fee
The true cost of a conversion: the stated fee plus the margin hidden in the exchange rate you were given.


Franking credits
Gross up an imputed dividend, work out the tax on it, and see whether the credits leave a refund.


Dividend tax
Tax on dividend income, with any tax-free allowance and the rate for your band.


Capital gains tax
Capital gains tax with the annual exempt amount and the gain stacked on income to decide the rate.
Rates, GST, break-even, and runway.


Break-even
How many units cover your fixed costs, and how many get you to the profit you actually want.


Burn rate and runway
How long the cash lasts at your current burn, and whether revenue growth gets there before the balance does.


Hourly rate to salary
Convert a salary into the contract rate that actually matches it, including the weeks you will not bill and the costs an employer used to cover.


GST
Add or remove goods and services tax, and work out the net amount for a return.


PAYG instalments
Two methods of paying tax in instalments compared, with the working capital the wrong choice ties up.
Tax
18Income tax, capital gains, and what you actually take home.


Income tax
Enter a salary and see income tax, levies and take-home pay for the current income year, band by band.


Medicare levy and surcharge
The health levy charged alongside income tax, and any surcharge that applies.


Study loan repayment
Your compulsory study loan repayment, and how indexation affects the balance over time.


Marginal tax rate
What you keep from a pay rise, and the gap between your marginal rate and your average rate.


Capital gains tax
Tax on an asset sale, with any long-hold discount applied and carried-forward losses taken into account.


Federal income tax
Federal income tax on wages and investment income, bracket by bracket.


Paycheck
Salary to take-home pay per period, with income tax and payroll contributions separated.


Self-employment tax
Social Security and Medicare contributions on self-employed profit, with the deductible portion separated.


Salary
Take-home pay after income tax and social contributions, broken down line by line.


CPP and EI
What comes off your pay for national pension and unemployment contributions, band by band.


Income tax
Federal and regional income tax, with credits and deductions handled separately.


Quarterly estimated tax
What to pay in instalments during the year, based on the safe-harbour rule rather than a forecast.


PAYE
Take-home pay after income tax, compulsory levies and retirement contributions, line by line.


Income tax
Take-home pay after income tax and separate social charges, with credits applied against the tax.


Income tax
Take-home pay after income tax and compulsory retirement contributions, with any contribution ceiling applied.


Income tax
Tax compared across both available regimes, with the deductions needed for the older one to win.


Income tax
Net pay after income tax and social insurance contributions, using the statutory tax formula.


Income tax
Income tax with tax credits applied, and the real marginal rate once credit withdrawal is counted.
Contributions, caps, drawdown, and pension entitlements.


Salary sacrifice
What sacrificing salary into a pension or super saves, after the tax charged inside the fund.


Division 293 tax
Whether a high-income surcharge applies to your retirement contributions, and on how much.


Superannuation guarantee
What an employer must contribute to your retirement fund, and what a package figure means as salary.


Concessional contributions cap
How much of your annual before-tax contribution cap is left, including anything carried forward.


401(k)
What workplace retirement contributions and an employer match add up to, including the higher ceiling that applies from a set age.


Traditional vs Roth
Which retirement account leaves more after tax — deduct now and pay later, or pay now and withdraw tax free.


HSA
What a health savings account is worth in tax saved and long-term balance if contributions are invested rather than spent.


Retirement
What your savings will support in retirement, in today’s money — the balance you reach, the spending it sustains, and the age it runs out if you spend more.


FIRE
How long until your portfolio covers your spending, based on your savings rate and the withdrawal rate you are willing to rely on.


RRSP vs TFSA
Which account leaves more after tax — deduct now and pay on withdrawal, or contribute after tax and withdraw free.


Pension tax relief
What a pension contribution costs after tax relief, including any band where relief exceeds the headline rate.


KiwiSaver
What a workplace retirement balance becomes, counting employee, employer and any government contribution.


Age Pension
What a means-tested state pension pays after both income and assets tests, and which test binds.


Division 296
Additional tax on retirement balance growth above a threshold, including unrealised gains.