Leave planning

Maternity Leave Calculator

Enter your due date, total weeks of maternity leave, and how many weeks before due date you plan to start leave.

How this tool helps you

Purpose, how to use it, and benefits — the interactive tool is in the card above whenever you want to jump back.

Purpose

Projects leave start and a simple return date from your due date, total weeks of leave, and how many weeks before birth you plan to stop work.

How to use it

Enter numbers, tap Calculate dates, and copy the summary into email to HR or your manager as a draft only.

Benefits

Helps coordinate handovers at work and childcare after maternity pay rules are clarified locally.

Read more: FAQs & context

Legal variation

Statutory schemes (SMP, EI, FMLA, etc.) use working days, qualifying weeks, and employer policies—confirm with HR.

Important This calculator is for informational purposes only and does not replace medical advice. Always follow your clinician’s guidance for your pregnancy.