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35 New Zealand personal-finance terms explained without the jargon — from PAYE and KiwiSaver to sinking funds, pay splitting and open banking.
The Accident Compensation Corporation earner's levy is a compulsory deduction from every New Zealand wage or salary. It funds cover for injuries that happen outside the workplace. The levy is bundled into your PAYE deductions, so it shows up on your payslip alongside income tax. Rates change each April. Self-employed Kiwis pay ACC levies separately through their end-of-year tax return.
Read: understanding your NZ payslipAkahu is New Zealand's open finance platform — the secure bridge between your bank and apps like PayDay. Akahu uses read-only bank connections and the Consumer Data Right framework so apps can see your transactions and trigger payments without ever storing your internet banking password. It's regulated, encrypted and audited, and it's the technology that lets PayDay automatically split your pay the moment it arrives.
See our Akahu partnershipA recurring transfer you set up with your bank that sends a fixed amount from your account to another account on a schedule you choose — weekly, fortnightly or monthly. Automatic Payments (APs) are controlled by you, the payer, and are ideal for rent, flat bills or savings transfers. They differ from direct debits, which are pulled by the biller.
Compare: PayDay vs bank auto transfersThe practice of moving money to savings automatically on a schedule or trigger — without having to decide each pay day. In New Zealand this might mean a standing instruction to move $200 to a savings pot every payday, or using an app like PayDay to split a percentage of your pay into savings the moment it lands. Automation removes willpower from the equation.
Read: automate your savings NZA plan for your money that matches expected income against expected spending and saving over a set period — usually a week, fortnight or month. A budget isn't about restriction; it's about giving every dollar a job before it arrives. Kiwis often budget around their pay cycle because rent, power and broadband tend to bill on regular dates.
Read: zero-based budgeting NZThe movement of money into and out of your accounts over time. Positive cash flow means more is coming in than going out; negative cash flow means you're dipping into savings or credit to cover the gap. Cash flow is different from net worth — you can be asset-rich but cash-poor. Tracking cash flow weekly helps Kiwis spot problems before they become overdrafts.
Interest earned on both the money you originally deposited and the interest you've already earned. Over long periods, compounding turns small, regular savings into meaningful amounts — which is why KiwiSaver balances grow so much between ages 25 and 65. The same principle works against you with credit card debt, where unpaid interest is added to the balance each month.
Someone who provides services to a client under a contract for services rather than as an employee. In New Zealand, contractors typically invoice their clients, pay their own tax (often via the WT withholding tax code), sort their own ACC cover, and don't receive PAYE deductions or automatic KiwiSaver contributions from the client. Income is usually irregular, which makes pay splitting especially useful.
See: PayDay for contractors and freelancersAn authority you give a business (like your power company or gym) to pull a specified amount from your bank account on agreed dates. Unlike an automatic payment, the biller controls the timing and amount — which is convenient for variable bills but means you need to keep enough in the account on the debit date. You can cancel a direct debit with your bank at any time.
Money spent on things you want rather than things you need — takeaways, streaming subscriptions, weekend brunches, new shoes. Discretionary spending is the most flexible part of any budget and usually the first place to look when you want to free up savings. The PayDay approach is to ring-fence discretionary money in a separate 'spending' account so you know exactly what's left for the fortnight.
A cash buffer you hold in an accessible savings account to cover unexpected costs — a broken car, a vet bill, a sudden loss of income. Most New Zealand financial guides suggest three to six months of essential expenses, but even $1,000 makes a huge difference. Emergency funds should sit in a separate account so you don't accidentally dip in for non-emergencies.
Read: emergency fund NZ — how much?The point at which your investments and passive income can cover your living expenses without needing to work. In New Zealand this is often framed around KiwiSaver and other investments generating enough to replace a salary. Different people define it differently — some aim for traditional retirement at 65, others pursue early financial independence (FIRE) in their 40s or 50s.
The number of months your savings would last if your income stopped today, while continuing to cover essential expenses. A 3-month runway means you could survive 3 months with zero income. It's a useful metric for freelancers, contractors and anyone considering a career change. PayDay shows your runway in real time as a headline number in the dashboard.
See the Financial Runway featureCosts that are the same every pay period and don't change with your behaviour — rent or mortgage repayments, insurance premiums, gym memberships, subscription services. Because they're predictable, fixed expenses are the easiest category to automate. Many Kiwis keep a dedicated 'bills' account and transfer the exact monthly total into it each payday.
Income that arrives in the same amount on a regular, predictable schedule — for example a salaried PAYE job that pays $2,500 every fortnight. Fixed income makes budgeting simpler because you always know what's coming. It sits in contrast to variable income, where the amount and timing change from pay to pay.
A self-employed person who takes on work from multiple clients, usually for short projects. Like contractors, New Zealand freelancers invoice clients, manage their own tax and often have irregular income. Common freelance fields include design, writing, development, photography and consulting. Pay splitting is particularly useful because freelancers need to set aside tax, GST and savings from each invoice.
See: PayDay for contractors and freelancersThe total amount you earn before any deductions — income tax, ACC levy, KiwiSaver, student loan repayments or voluntary deductions. On a job ad, 'salary $70,000' almost always means the gross figure. Your actual cash in hand each pay (your take-home pay) will be noticeably lower.
Read: understanding your NZ payslipNew Zealand's voluntary workplace savings scheme designed to help Kiwis save for retirement (and a first home). Employees contribute 3%, 4%, 6%, 8% or 10% of their gross wages, employers contribute at least 3%, and the government adds an annual Member Tax Credit of up to $521.43 if you contribute at least $1,042.86 over the KiwiSaver year. Funds are managed by KiwiSaver providers and invested across conservative, balanced, growth or aggressive funds.
Read: KiwiSaver vs personal savings NZWhat's left after all deductions — also called take-home pay or net pay. For a salaried New Zealander, net income is gross income minus PAYE, ACC levy, KiwiSaver employee contributions, student loan and any voluntary deductions. Net income is the number that actually lands in your bank account and the one to budget from.
A type of savings account offered by some NZ banks that pays a higher interest rate in exchange for giving notice before you withdraw — commonly 32 or 90 days. You can deposit anytime, but withdrawals require the full notice period. Notice savers sit between an on-call savings account and a term deposit, offering a middle ground on flexibility and return.
A framework that lets you securely share your bank data with third-party apps — without sharing your internet banking password. In New Zealand, open banking is enabled through the Consumer Data Right and platforms like Akahu. It's what allows PayDay to see when your pay arrives and trigger splits instantly, using bank-authorised connections that you can revoke at any time.
How PayDay uses open bankingThe document (paper or digital) that shows exactly how your pay was calculated — gross pay, hours, PAYE tax, ACC levy, KiwiSaver contributions, student loan, any other deductions and the net amount deposited. In New Zealand, employers are legally required to give employees access to a payslip or wage record for each pay. Reading yours is the first step to financial literacy.
Read: understanding your NZ payslipThe practice of dividing your pay across multiple accounts the moment it arrives — typically splitting into buckets for bills, savings, investing and day-to-day spending. Manual pay splitting uses bank automatic payments scheduled right after payday. Automated pay splitting, like PayDay, detects your salary deposit and distributes it using percentage or fixed rules you set once.
How pay splitting worksA savings philosophy where you transfer money to savings and investments as soon as you're paid — before spending on anything else. The idea is that whatever's left is what you have to live on, so saving happens first rather than last. It flips the default script of 'save what's left at the end of the month' (which is usually nothing).
Read: pay yourself first methodPay As You Earn is the way most New Zealanders pay income tax. Your employer deducts income tax from each pay based on your tax code and sends it to Inland Revenue on your behalf. PAYE also bundles in the ACC earner's levy. Because it happens automatically, most PAYE employees don't have to file a tax return — IR issues an automatic assessment at year-end.
Read: understanding your NZ payslipA savings trick where each card purchase is rounded up to the nearest dollar (or five dollars) and the spare change is swept into a savings account. Buy a $4.20 flat white, save 80c. The amounts feel trivial but add up — many Kiwis bank $20 to $50 a week this way without noticing. PayDay automates round-ups across all your connected cards.
See the Round-Up Savings featureThe tax code you use on a second or additional source of PAYE income — for example a weekend job on top of your main role. Common secondary codes include SB, S, SH, ST and SA, chosen based on your total annual income. Secondary tax rates are often higher than your main code's rate because IR is trying to prevent an under-deduction. You can apply for a tailored tax code to avoid over-paying.
A savings pot set aside for a known future expense — your annual car rego, Christmas, a winter power bill, a planned trip. Instead of being ambushed by big bills, you save a small amount each pay into the relevant sinking fund. When the bill arrives, the money's already there. Kiwis often run multiple sinking funds at once: one for car costs, one for gifts, one for insurance excess.
Read: sinking funds explained NZThe money that actually lands in your bank account on payday, also called net pay. It's your gross salary minus PAYE, ACC levy, KiwiSaver contributions, student loan repayments and any voluntary deductions. Budgeting from your take-home pay (not your gross salary) is the single biggest step toward a realistic money plan.
Read: understanding your NZ payslipA letter code you give your employer so they deduct the right amount of PAYE from your wages. The main code is M (or ME if you qualify for the independent earner tax credit). Other codes cover secondary jobs, students with a student loan, non-residents and specific circumstances. Choosing the wrong code is one of the most common reasons Kiwis under- or over-pay tax during the year.
A savings product where you lock money away with a bank for a fixed period — usually 3, 6, 12, 24 or 60 months — in exchange for a guaranteed interest rate. Rates are typically higher than on-call savings accounts, but you generally can't access the money during the term without a penalty. Term deposits are popular with Kiwis saving for a house deposit or holding an emergency fund they rarely expect to touch.
Income where the amount, the timing or both change from pay to pay — common for contractors, freelancers, hospitality workers, commission-based salespeople and shift workers. Variable income makes budgeting harder because the baseline isn't predictable. The fix is usually to budget from your lowest typical month and treat anything extra as savings or a buffer.
Read: how to budget on variable income NZA budgeting method where every dollar of income is assigned a job — bills, savings, investing, spending, giving — until income minus allocations equals zero. 'Zero' doesn't mean you have no money left; it means you've consciously allocated every dollar. It's more rigorous than the 50/30/20 rule and works especially well for Kiwis with tight cash flow or irregular income.
Read: zero-based budgeting NZRead our guides for the how-to, or join the PayDay waitlist and automate the whole thing.
