Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Maternity Leave Calculator

Estimate total paid maternity leave income by combining statutory benefit payments with any employer top-up. Use it when planning finances before taking parental leave.

Weekly Salary ($)

Total Leave Weeks (weeks)

Paid Leave Weeks (weeks)

Benefit Payment Rate

Employer Top-Up Benefits

Fill in the required fields to see your result.

Pregnancy

Conception Date Calculator

Works backward from how many days remain until a known due date to estimate when conception occurred (and how far along you are). Switch the basis to LMP to account for your cycle length and luteal phase.

Days Until Due Date (days)

Average Cycle Length (days)

Luteal Phase Length (days)

Calculate From

Fill in the required fields to see your result.

Key differences

	Maternity Leave Calculator	Conception Date Calculator
Category	Pregnancy	Pregnancy
Inputs required	5	4
Result	Total Paid Benefits ($)	Estimated Conception
What it does	Estimate total paid maternity leave income by combining statutory benefit payments with any employer top-up. Use it when planning finances before taking parental leave.	Works backward from how many days remain until a known due date to estimate when conception occurred (and how far along you are). Switch the basis to LMP to account for your cycle length and luteal phase.