Paternity Leave Calculator

Plan your paternity leave timeline and pay. Calculate weeks available, income during leave, and return-to-work date.

wks
wks
wks
$
$
Total Leave
7 weeks
4 paid + 1 PTO + 2 unpaid
Total Income During Leave
$7,500.00
71.4% of full pay
Income Gap
$3,000.00
Full pay would be $10,500.00
Gap After Savings
$0.00
โœ“ Savings cover the shortfall
Paid Leave Income
$6,000.00
4 weeks at 100% pay
PTO Income
$1,500.00
1 weeks at full pay

Income Replacement During Leave

71.4%
Leave Phase Breakdown
PhaseWeeksWeekly PayPhase Total
PTO1$1,500.00$1,500.00
Paid leave (100%)4$1,500.00$6,000.00
Unpaid2$0.00$0.00
Total7โ€”$7,500.00
State Paid Family Leave Programs
StateWeeks% of PayMax WeeklyEst. for You
California870%$1,620.00$8,400.00
New Jersey1285%$1,025.00$12,300.00
New York1267%$1,131.00$12,060.00
Washington1290%$1,456.00$16,200.00
Massachusetts1280%$1,129.00$13,548.00
Connecticut1295%$900.00$10,800.00
Oregon12100%$1,469.00$17,628.00
Colorado1290%$1,100.00$13,200.00

Estimates based on your weekly salary of $1,500.00. Actual amounts depend on state-specific calculations.

Leave Structure Strategies
StrategyProsCons
ContinuousFull bonding time, supports recovering partnerLonger absence from work, larger income gap at once
SplitPresence at birth + later coverage when partner returns to workCan be harder to manage with employer
IntermittentFlexible, spreads leave over time, less income impactFMLA permits it for medical, employer may deny for bonding
Planning notes, formulas, and examples

About the Paternity Leave Calculator

Paternity leave and partner leave often combine several moving parts: employer parental leave, PTO, state paid family leave, and possibly unpaid FMLA. The result can be hard to picture until everything is placed on one timeline.

This calculator helps you estimate how long leave may last and what your pay may look like during that period. That is useful for planning time at home after birth, coordinating support for the recovering parent, and seeing where a household may face lower-income weeks.

Use it to build a practical leave plan before the baby arrives, especially if you are deciding how much leave to take immediately versus saving some for later.

When This Page Helps

A leave estimate helps you move from vague policy language to an actual plan: how many weeks you can afford, when the pay rate changes, and whether saving PTO or splitting leave into phases makes more sense for your household.

How to Use the Inputs

  1. Enter the baby's due date or birth date.
  2. Enter weeks of paid parental leave from your employer.
  3. Enter weeks of unpaid leave you plan to take.
  4. Enter your weekly salary.
  5. View your leave timeline and income impact.
Formula used
Return Date = birth_date + (paid_weeks + unpaid_weeks) ร— 7 Income During Leave = paid_weeks ร— weekly_salary ร— pay_rate Lost Income = unpaid_weeks ร— weekly_salary

Example Calculation

Result: Return: Jul 27, 2026 | Lost income: $3,000

Taking 4 weeks of paid leave (at full salary: $6,000) followed by 2 weeks of unpaid leave (lost income: $3,000), the return date is approximately July 27, 2026. Total leave is 6 weeks.

Tips & Best Practices

  • Check if your employer offers paid parental leave โ€” it may be separate from PTO.
  • FMLA applies to fathers and non-birthing partners for bonding leave.
  • You don't have to take all leave at once โ€” some employers allow intermittent FMLA.
  • State paid family leave programs supplement or replace employer benefits.
  • Consider splitting leave โ€” some families benefit from staggering parent leaves.
  • Document your leave plan with HR in writing at least 30 days before the due date.

The Case for Paternity Leave

Research consistently shows benefits of paternity leave: stronger father-child bonds, better partner relationship satisfaction, improved maternal mental health, and more equitable division of household labor. Countries with generous paternity leave policies see higher workforce participation among women.

Financial Planning for Leave

If part of your leave is unpaid, calculate the total income gap and start saving early. Adjust your budget for the leave period โ€” you may spend less on commuting and meals out. Consider timing your leave to align with any year-end bonuses or tax refund periods.

Negotiating with Your Employer

Even if your employer doesn't have a formal paternity leave policy, many supervisors are willing to accommodate reasonable requests. Come prepared with a plan that covers your responsibilities during absence, and frame the conversation around how to make the transition smooth.

Sources & Methodology

Last updated:

Frequently Asked Questions

  • Yes. FMLA provides 12 weeks of unpaid, job-protected leave for bonding with a new child, regardless of the parent's gender. You must work for a covered employer and meet eligibility requirements (12 months employed, 1,250 hours worked).