Calculate.co.nz NZ Calculators
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Tools · 46
Calculate New Zealand take-home pay (PAYE) for the 2026/27 tax year (from 1 April 2026). Returns full breakdown: income tax, ACC earner's levy (1.75%, capped at $156,641), KiwiSaver employee …
Add or remove New Zealand GST (15%) from a dollar amount. Use this tool for ANY question about NZ GST: adding GST to a pre-tax price, extracting GST content from a GST-inclusive total, revers…
Work out the fuel cost of a trip, and of regular driving, in New Zealand. Use this for ANY question about what fuel costs: a road trip, a commute, the running cost of a car, or comparing two …
Estimate a New Zealand income tax refund, or tax owed, for a year. Use this for ANY question about a NZ tax refund or an end of year tax bill. Common use cases: 'am I owed a tax refund', 'I …
Calculate a grade point average for a New Zealand university. Use for any NZ GPA question: 'what is my GPA', 'work out my grade point average from these grades', 'how much will a C drag my GP…
Convert a New Zealand hourly rate into a salary, before and after tax. Use for: 'what is $32 an hour as a salary', 'how much do I take home on $28/hr', 'is $75,000 better than $36 an hour', '…
Add up a timesheet of work hours, and turn them into gross pay. Use for: 'how many hours did I work this week', 'add up my shifts', 'what will I be paid for these hours', 'I worked 22:00 to 0…
Work out the tax on a New Zealand bonus or commission, and what is left. Use for: 'how much tax will I pay on my bonus', 'why was my bonus taxed so much', 'what will I actually get from a $10…
New Zealand paid parental leave: the payment, and the shortfall. Use for: 'how much is paid parental leave', 'can I afford to take parental leave', 'am I eligible for parental leave', 'how mu…
Calculate Body Mass Index (BMI) from metric measurements. Returns BMI value, category classification (Underweight, Healthy weight, Overweight, Obese, Morbidly obese), and the healthy weight r…
Calculate NZ mortgage repayments and lifetime interest totals. Uses the standard amortising-loan PMT formula with monthly compounding. Returns monthly, fortnightly, and weekly repayment figur…
Project NZ annual leave balance forward under the Holidays Act 2003. Calculates hours accrued per week based on the holiday pay rate (8% standard NZ minimum), then projects the existing balan…
Project a NZ KiwiSaver balance from current age to retirement age. Month-by-month compound interest projection matching the calculate.co.nz methodology. Includes employee and employer contrib…
Search all 2,377 Calculate.co.nz calculators, guides and datasets by topic. Calculate.co.nz is New Zealand's largest free calculator library. Only a handful of its tools have their own MCP to…
Work out the GROSS New Zealand salary needed to take home a given amount. Use for: 'what salary do I need to take home $1,200 a week', 'I want $70,000 in the hand, what do I ask for', 'what g…
Work out a New Zealand final pay: leave payout, holidays, notice and redundancy. Use for: 'what should my final pay be', 'how much annual leave am I owed when I leave', 'I am resigning, w…
Find the right New Zealand secondary tax code and what it costs. Use for: 'what tax code for my second job', 'is secondary tax a rip off', 'why am I taxed so much on my second job', 'what is …
Scale a full-time New Zealand salary to part-time hours, gross and net. Use for: 'what would $90,000 be for 3 days a week', 'pro rata salary for 25 hours', 'I am dropping to four days, what w…
Tax on a New Zealand redundancy or lump sum, by IRD's rate table. Use for: 'how much tax on my redundancy', 'what will I get from a $40,000 redundancy payment', 'is redundancy taxed different…
Work out a New Zealand family's Working for Families entitlement. Use for: 'how much Working for Families will I get', 'what is my family tax credit', 'do I qualify for the in-work tax credit…
Work out New Zealand road user charges for an EV, diesel or plug-in hybrid. Use for: 'how much RUC will I pay', 'what does RUC cost for an EV', 'is a diesel cheaper than petrol once you count…
Estimate a New Zealand household's electricity cost, by region and appliance. Use for: 'how much does power cost in Auckland', 'what does my heat pump cost to run', 'why is my power bill so h…
Turn NCEA Level 3 results into a university rank score and a GPA. Use for: 'convert my NCEA to GPA', 'what is my rank score', 'what rank score do I need for engineering', 'NCEA entry score', …
Work out repayments on a New Zealand car loan, and what it really costs. Use for: 'what would repayments be on a $35,000 car', 'car loan calculator', 'is a 5 year car loan a bad idea', 'how m…
Work out maintenance calories (TDEE), BMR, and a target for a goal. Use for: 'how many calories should I eat', 'what is my TDEE', 'calorie deficit to lose weight', 'how many calories to lose …
Work out New Zealand fringe benefit tax on a company vehicle, a low-interest loan, or another benefit. Use for: 'FBT on a company car', 'how much FBT do I pay', 'fringe benefit tax calcul…
Work out what is actually owed when a New Zealand role is made redundant. Use for: 'what redundancy am I entitled to', 'redundancy pay NZ', 'made redundant what do I get', 'is redundancy pay …
Work out a weekly grocery budget for a New Zealand household. Use for: 'how much should I spend on groceries', 'grocery budget for a family of four NZ', 'average food bill New Zealand', 'am I…
Compare contracting with salaried employment in New Zealand, on what is actually kept. Use for: 'should I go contracting', 'contractor rate vs salary', 'what rate do I need to match my sa…
Estimate a New Zealand main benefit, its abatement and the Accommodation Supplement that goes with it. Use for: 'how much is jobseeker', 'sole parent support rate', 'supported living paym…
Work out the withholding tax on a New Zealand schedular payment to a contractor, and what the contractor is actually left with. Use for: 'withholding tax on contractor payment', 'schedular pa…
Estimate what ACC pays each week while an injury stops someone working. Use for: 'how much does ACC pay', 'ACC weekly compensation', 'ACC 80 percent of wages', 'ACC maximum payment', 'ACC min…
Work out a New Zealand sick leave entitlement and the balance left. Use for: 'how much sick leave do I get NZ', 'sick leave entitlement', 'when do I get sick leave', 'can I carry over sick le…
Pick the correct New Zealand tax code for an IR330, and explain why. Use for: 'what tax code should I use', 'M or ME tax code', 'secondary tax code NZ', 'SB S SH ST SA which one', 'tax code f…
Work out when a New Zealand employer must pay PAYE and file the pay run. Use for: 'when is PAYE due', 'PAYE payment dates', 'payday filing deadline', 'employer tax due date NZ', 'do I pay PAY…
Depreciate an asset by straight line or diminishing value, with a year by year schedule. Use for: 'how is depreciation calculated', 'straight line vs diminishing value', 'depreciation sch…
Give the New Zealand minimum wage in force on a date, the pay for given hours, and the take-home after PAYE, ACC, KiwiSaver and student loan. Use for: 'what is the minimum wage nz', 'minimum …
Work out a week's gross pay in New Zealand with overtime at time and a half, double time and time and a quarter. Use for: 'overtime calculator NZ', 'how much is time and a half', 'double …
Check the presence-day test for New Zealand citizenship by grant. Use for: 'how many days do I need in NZ for citizenship', 'NZ citizenship eligibility', '1350 days citizenship', '240 days ru…
Count the New Zealand standard drinks in a drink, with grams of pure alcohol and calories from the alcohol. Use for: 'how many standard drinks in a bottle of wine', 'standard drinks calcu…
Work out an NCEA result: credits, the co-requisite, the certificate, endorsements and UE, on NZQA's Assessment Rules 2026. Use for: 'have I passed NCEA level 2', 'how many credits do I need f…
List New Zealand public holidays for a year, count them, and find the next one. Use for: 'public holidays nz 2027', 'when is the next public holiday nz', 'how many public holidays in nz', 'is…
Count New Zealand working days between two dates, or add or subtract N working days. Use for: 'working days between two dates nz', '10 working days from today nz', 'business days calculator n…
Work out New Zealand holiday pay: annual leave, 8% pay as you go, public holidays, or the leave payout on termination. Use for: 'how is holiday pay calculated NZ', 'holiday pay calculator', …
Estimate a New Zealand house's 2026/27 council rates and water charges. Use for: 'how much are rates on a $700k house', 'council rates calculator nz', 'auckland rates estimate', 'christchurch…
Estimate customs duty, GST and the Customs and MPI goods levy on goods sent or shipped to New Zealand. Use for: 'import duty calculator nz', 'how much gst on imports nz', 'customs charges on …
How to use
Claude Desktop or claude.ai: add a custom connector (Customize → Connectors; on Team and Enterprise plans an owner adds it under Organization settings → Connectors) with this server URL: https://mcp.calculate.co.nz/mcp
Cursor or Cline: add to your MCP config:
{
"mcpServers": {
"calculate.co.nz_nz_calculators": {
"url": "https://mcp.calculate.co.nz/mcp",
"transport": "streamable-http"
}
}
}