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Tax Calculators for GST and other taxes

Use the calculator below.

GST Calculator

Calculate GST by adding it to an amount or extracting it from a GST-inclusive amount.

Amount

GST Percentage15%

0%30%

Calculation Type

GST Rate15%

GST to Add$1,500.00

Total Including GST$11,500.00

Mortgage Calculator

Estimate your home loan repayments based on house price, deposit, interest rate and loan term.

House PriceDepositInterest Rate (%)

Loan Term30 years

1 year30 years

Repayment Frequency

Loan Amount$680,000

Monthly repayment$4,298

Total Interest$867,303

Total Repaid$1,547,303

Deposit Percentage20.0%

Estimated LVR80.0%

This calculator is an estimate only and does not constitute financial, tax, lending, or mortgage advice. It does not assess borrowing power, bank approval, expenses, DTI rules, or lending criteria.

PAYE Calculator

Estimate your New Zealand PAYE deductions and take-home pay.

Gross IncomeIncome FrequencyShow Results AsKiwiSaver Contribution

Student Loan

Annual Gross Pay$85,000

Annual PAYE / Income Tax$17,928

Annual ACC Levy$1,488

Annual KiwiSaver$2,975

Annual Student Loan$0

Annual Total Deductions$22,390

Annual Take Home Pay$62,610

This calculator is an estimate only and does not constitute tax, payroll, financial, or employment advice. PAYE settings, thresholds, KiwiSaver rules, ACC levy rates, and student loan deductions can change. Check current IRD guidance before relying on this for payroll decisions.

Disclaimer: This calculator is published by Greenlane CA Limited for general informational purposes only. It does not constitute professional tax, accounting, legal, or financial advice.

Users should not act or refrain from acting based solely on the information in this article without first seeking professional advice tailored to their specific circumstances. Tax laws and regulations are subject to change.