Is it worth negotiating salary? What the ask is worth over the years
A higher starting salary keeps paying, because each later pay rise is a percentage of it. Asking for $90,000 instead of an $85,000 offer, with 3% rises, is worth $57,319 before tax over 10 years, and more in employer KiwiSaver. Enter the offer and your ask to see the extra each week now and over the years, after New Zealand tax.
Worked out for the example. Change the boxes to make it yours.
| The ask over the offer | $5,000 (5.9% more) |
|---|---|
| Extra a week in year one, before tax | $96.15 |
| Extra a week in year one, after tax | $59.38 |
| Extra over 1 year: before tax / after tax | $5,000 / $3,088 |
| Extra over 5 years: before tax / after tax | $26,546 / $16,392 |
| Extra over 10 years, before tax | $57,319 |
| Extra over 10 years, after tax | $35,395 |
| Extra employer KiwiSaver at 3.5%, before ESCT | $2,006 |
- Each year both salaries rise 3%, so the gap grows with them: $5,000 in year one, $6,524 in year 10.
- Take-home is at the 2026/27 rates and thresholds for every year (PAYE, ACC 1.75% to $156,641, KiwiSaver 3.5%). Future rates will differ.
- Employer KiwiSaver is shown before ESCT, the tax taken from it on the way to your account. The minimum employer rate rises from 3.5% to 4% on 1 April 2028.
An offer you have not accepted is not saved to an account. Your Job Hunt is free while you are between jobs and keeps every application and offer with its take-home pay in one place.
See Your Job HuntWhy a small ask adds up
The gap between the offer and your ask comes back every year. Next year's pay rise is a percentage of this year's salary, so a higher start lifts every rise after it. $5,000 more with 3% a year is $5,000 in year one and $6,524 in year ten, $57,319 in all before tax. The sum is the gap times ((1 + the rise)^years minus 1) divided by the rise. If your next employer sets your pay from your current one, the gap can follow you there too, which is what the years box allows for. Our guide to salary negotiation in New Zealand covers when and how to ask.
After tax and with KiwiSaver
The extra pay is taxed at your top rate, so the take-home gain is smaller than the gross. The calculator works each year's two salaries through the same 2026/27 engine the app uses: PAYE, the ACC earners' levy of 1.75% up to $156,641, your KiwiSaver rate and any student loan at 12% above $24,128. At $85,000 to $90,000 the extra $5,000 sits in the 33% band, so with ACC and KiwiSaver about $3,088 of it reaches you in year one, $59.38 a week. Your employer's KiwiSaver on the extra is added before ESCT, the tax taken from employer contributions. If the offer is a total package with KiwiSaver inside, enter 0 for the employer rate.
What makes the ask hold up
A number grounded in the job's advertised range, what the role pays elsewhere and what you bring is easier to agree to than a round figure. Employment New Zealand says you can negotiate your terms before you accept an offer, and employers must deal with you in good faith. If the base will not move, a sign-on payment, an extra week of leave or an early pay review are worth asking for too: our article on negotiating more than salary sets them out, and the Negotiation Coach gives the words for the call and the email.
The assumptions
Both salaries rise by the same percentage every year, and the gap lasts as many years as you choose. Tax rates and thresholds stay at 2026/27 levels, so later years are estimates. A rise that is a flat dollar amount, a promotion or a pay freeze changes the answer, and so does leaving for a job that pays on its own scale. Use a lower rise or fewer years for a cautious view: even with no rises and 1 year, the gain is the gap itself.
Questions
Is it worth negotiating salary?
Usually. A higher starting salary lifts every percentage pay rise after it: $5,000 more with 3% rises is $57,319 before tax over 10 years, before counting employer KiwiSaver on the extra.
How much more should I ask for than the offer?
Ground the figure in the advertised range, what the role pays elsewhere and what you bring. The calculator shows what any gap is worth, and warns when an ask is more than 20% over the offer.
How much of a salary increase do I actually keep after tax?
It depends on your tax band. On $85,000 to $90,000 the extra $5,000 is taxed at 33%, plus ACC and KiwiSaver, so about $3,088 a year reaches you.
Is it normal to negotiate a job offer in NZ?
Yes. Employment New Zealand says you can negotiate terms with an employer before you accept, and both sides must negotiate in good faith. The employer can still say no to a change.
What does the button do?
Nothing is saved: an offer you have not accepted has no place in an account yet. It opens Your Job Hunt, free while you are between jobs, which keeps every application, offer and take-home figure in one place.
Sources
- Inland Revenue: tax rates for individuals.
- Inland Revenue: ACC earners' levy rates.
- Inland Revenue: repaying my student loan when I earn salary or wages.
- Inland Revenue: KiwiSaver changes.
- Inland Revenue: employer superannuation contribution tax (ESCT).
- Employment New Zealand: negotiating and accepting a job offer as an employee.
More free tools: see all the calculators.