Maternity Calculator
Planning tool UK 2026/27 rates

Part-time pay calculator

Thinking of going back part-time after maternity leave? See how your take-home pay would change after tax, National Insurance, pension and student loan.
£

Your gross yearly salary for full-time hours, before tax, National Insurance, pension and any student loan are taken off, even if you work part-time now. Your contract or payslip shows it.

How many hours a week will you work?
Your tax details
Where do you pay tax?

Check your payslip for your pension rate. Some schemes, like the NHS Pension, set it by how much you earn.

Results appear below as soon as you've entered your salary. Nothing you enter is saved.

Why part-time pay falls by less than you'd think

First £12,570
Tax-free
Your personal allowance: no income tax on this part of your pay, whatever hours you work.
National Insurance
8% above £12,570
The first £12,570 of yearly pay has no National Insurance either.
Higher rate
40% above £50,270
Going part-time can bring some of your pay out of the higher rate (England, Wales and Northern Ireland).
From day one
Your right to ask
All employees can ask for flexible working, including part-time hours. Your employer must consider it properly.

More calculators

Maternity pay calculators

NHS 8 weeks full pay, 18 weeks half pay plus SMP, then SMP. Teachers Burgundy Book: 4 weeks full pay, 2 weeks at 90%, then half pay plus SMP. Civil Service Most departments: 26 weeks full pay, then SMP. Police 26 weeks full pay for officers in England and Wales. Armed Forces 26 weeks full pay, then SMP. Statutory Maternity Pay Any other employer: 6 weeks at 90%, then £194.32 a week.

Planning your leave and return

Shared parental leave Share leave and pay with your partner, and see the household difference. Childcare costs Nursery costs after funded hours and Tax-Free Childcare.

Going back part-time

Your pay is reduced in proportion to your hours, but because of the tax-free personal allowance and National Insurance threshold, your take-home pay usually falls by less than your gross pay.

Your employer can only refuse a flexible working request for one of the business reasons set out in law. Find out more at gov.uk/flexible-working.

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