SMP is based on your average weekly earnings (gross) in the 8 weeks before your qualifying week.
≈ a year before tax.
Many employers pay enhanced maternity pay above the statutory minimum. If yours does, add it here to see your real take-home through leave.
During half-pay weeks you usually still get SMP, so we top up to half normal pay where SMP falls short.
SMP runs for up to weeks. The remaining unpaid weeks of leave (up to 52 total) show £0.
Total maternity pay
over weeks of leave (incl. employer top-up)
Your pay steps down
Weeks 1–6
/week
Weeks 7–39
/week
After week 39
£0
/week
From week 7 your statutory pay is capped at the SMP rate of /week.
You earn less than the SMP cap, so you get 90% of your weekly pay for the full 39 weeks.
Gross estimate. SMP is taxable and subject to NI & pension deductions. Eligibility requires qualifying earnings and 26 weeks' service.
How your total pay builds up week by week - note where it plateaus once SMP ends.
| Phase | Weeks | Per week | Phase total |
|---|---|---|---|
| Total over weeks | |||
| Scenario | Per month | Weeks | Total | |
|---|---|---|---|---|
Maternity Pay Calculator by TaxFly — free UK tax calculators