nz_working_for_families_calculator
shallownz.co.calculate/calculator · Verify this server
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', 'how much Best Start will I get', 'will I lose Working for Families if I earn more'. CORRECT A COMMON AND EXPENSIVE MISTAKE. There is NO hours test for the In-Work Tax Credit and has not been one since 1 July 2020. Anyone with some income from paid work each week, who is not on an income-tested benefit or student allowance, qualifies. Many sources, including our own website page, still repeat the old 20 hours sole parent / 30 hours couple rule. A parent working fifteen hours a week is entitled to $7,670 this year and is often told they are not. ASK FOR THE COMBINED FAMILY INCOME, not one partner's. Everything abates against it, so an answer from one income is wrong. ASK HOW MANY CHILDREN ARE UNDER 3, not under 1. Best Start runs to the third birthday and is worth $4,041 a year per child. The In-Work Tax Credit is temporarily $7,670 a year until 31 March 2027, then reverts to $5,070, so an answer about next year differs from this one. Say which you have given. Args: children: Dependent children in the caregiver's care. family_income: Combined gross annual family income, all sources. children_under_3: How many are under 3, for Best Start. iwtc_eligible: Some paid work and no income-tested benefit. best_start_children_first_year_exempt: Under-3s in their first year born BEFORE 1 April 2026, which are exempt from the income test. iwtc_after_march_2027: Model the reverted $5,070 rate. Returns: FTC, IWTC and Best Start with each abatement shown separately, the annual, weekly and fortnightly totals, an assumptions block naming every rate used, and what the calculation excludes.
1 trials · measured 2 days ago
nz_working_for_families_calculator scores 100.0/100 on Vouch's measured behaviour index, from 1 real invocation trials against nz.co.calculate/calculator, measured 31 Aug 2026 under methodology v0.2.0. Every measured component scored 100.
Component breakdown
| Component | Weight | Value |
|---|---|---|
| Reliability | 35% | not applicable |
| Schema integrity | 25% | 100.0 |
| Failure behaviour | 15% | not applicable |
| Latency | 15% | not applicable |
| Concurrency | 10% | not applicable |
Tool details
- Transport
- remote
- Credential class
- self-provisionable
- Input schema
- not declared
- Output schema
- not declared
- Side-effect classification
- unclassified
Score history
| Day | Score | Tier | Methodology |
|---|---|---|---|
| 2026-08-31 | 100.0 | shallow | v0.2.0 |
Probe evidence
| Probe | Outcomes |
|---|---|
| schema_integrity | pass: 1 |
Raw request/response logs are not archived yet — the outcome counts above are drawn directly from every recorded trial.
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