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

Estimates how many days ago conception occurred from a reference point — your due date, last menstrual period, or an ultrasound dating scan — entered as days since that reference (negative if it is a future due date).

Calculate From

Days Since Reference Date (use a negative number for a future due date) (days)

Cycle Length (days)

Ultrasound Gestational Age (weeks)

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.	Estimates how many days ago conception occurred from a reference point — your due date, last menstrual period, or an ultrasound dating scan — entered as days since that reference (negative if it is a future due date).