ESCT Calculator

ESCT stands for Employer Superannuation Contribution Tax. It is a tax applied to employer contributions made to employees' superannuation funds in New Zealand, including KiwiSaver employer contributions. When your employer makes a contribution to your KiwiSaver account (the minimum is currently 3% of your gross salary), they are required to deduct ESCT from that contribution before it is sent to your KiwiSaver provider. ESCT is essentially a withholding tax on employer super contributions, similar in concept to how PAYE works on wages. The ESCT rate applied depends on the employee's income level — higher earners have a higher ESCT rate deducted from their employer contributions. ESCT collected is paid directly to Inland Revenue. This means the actual employer contribution credited to your KiwiSaver account is the gross contribution minus the ESCT deducted. Source: IRD — ESCT (ird.govt.nz/employing-staff/kiwisaver/esct).

ESCT is calculated by applying the appropriate ESCT rate to the gross employer superannuation contribution. The rate is determined by the employee's income bracket for the previous year (or estimated income for new employees). There are two methods: the standard method uses the employee's previous year's PAYE income plus employer super contributions to determine the ESCT rate; the alternate rate election allows the employee to elect a rate based on their expected income. The ESCT rates align with the personal income tax rates: 10.5% (income up to $16,800); 17.5% ($16,801–$57,600); 30% ($57,601–$84,000); 33% ($84,001–$216,000); and 39% (income over $216,000). For example, if an employee earns $60,000 and their employer contributes 3% ($1,800/year), the ESCT at 30% is $540, so $1,260 is actually credited to the KiwiSaver fund. Source: IRD — ESCT (ird.govt.nz).

Yes, employer KiwiSaver contributions in New Zealand are subject to ESCT (Employer Superannuation Contribution Tax). Every time your employer makes a KiwiSaver contribution on your behalf — at a minimum of 3% of your gross salary — they must calculate and deduct ESCT at your applicable rate before forwarding the net contribution to your KiwiSaver provider. This is an important point that many employees overlook: the 3% employer contribution shown on your payslip is the gross amount before ESCT. The actual amount credited to your KiwiSaver account will be lower. For example, if you are in the 17.5% ESCT bracket and your employer contributes $100, only $82.50 is added to your KiwiSaver account after ESCT. Compounding ESCT over many years can meaningfully reduce the final balance of your KiwiSaver. Source: IRD — KiwiSaver for Employers (ird.govt.nz/kiwisaver).

The ESCT (Employer Superannuation Contribution Tax) rates in New Zealand are aligned to the personal income tax brackets and are based on the employee's total income (PAYE income plus employer super contributions) in the prior tax year. The five ESCT rates are: 10.5% for employees whose prior year income (including employer contributions) was $16,800 or less; 17.5% for income between $16,801 and $57,600; 30% for income between $57,601 and $84,000; 33% for income between $84,001 and $216,000; and 39% for income above $216,000. For new employees with no prior year income, employers use the employee's estimated annual income to determine the applicable ESCT rate. Employers can also use an alternative election rate if the employee provides a written notice. ESCT is deducted from the employer contribution before it is sent to the KiwiSaver provider. Source: IRD — ESCT Rates (ird.govt.nz/employing-staff/kiwisaver/esct).