FMLA Pay Impact Calculator

The Family and Medical Leave Act entitles eligible employees to up to 12 weeks of unpaid, job-protected leave per year. The critical word is unpaid. FMLA is federal law protecting your job. It does not guarantee a paycheck. That's a different set of programs — your employer's short-term disability policy, your state's paid leave program (if any), your accrued PTO, and sometimes company-specific paid parental leave.

Most people conflate the two when they're first planning a leave. "I have 12 weeks of FMLA" sounds like a benefit. It is, partially — your job is held, your health insurance continues, you can return to the same or equivalent position. But if your employer has no paid leave policy and you're in a state without statutory paid leave, all 12 weeks are unpaid. That's a potential $15-30k income gap for a middle-income employee.

This calculator shows the real picture. Plug in your salary, leave length, and which paid-leave sources you have access to. It adds them up, subtracts from your full-salary baseline, and tells you the income gap you'll actually face.

Four main paid-leave components that may stack during your FMLA period:

• PTO and sick leave: Your accrued balance. You can usually use PTO during FMLA to maintain full salary for the weeks covered by your balance. Some employers require you to use PTO before unpaid FMLA kicks in; others allow you to save it.
• Short-term disability (STD): Typically pays 60-70% of salary for 6-26 weeks depending on the policy. Employer-provided for most full-time salaried roles, but not required. Applies to any medical condition preventing work, including pregnancy recovery (typically 6 weeks vaginal, 8 weeks C-section).
• Paid parental leave: Employer-specific. Top employers offer 12-16 weeks full pay; mid-market employers 4-8 weeks; many employers offer zero paid parental leave.
• State paid family leave: 13 states currently have statutory paid leave programs (CA, NJ, NY, RI, WA, MA, CT, DC, OR, CO, MD, DE, NH). Pay 60-90% of salary for 4-12 weeks depending on state.

The stacking rules vary wildly by state and employer. In some cases, STD and paid parental leave pay concurrently (not a full double-payment, but combined to reach closer to 100% of salary). In others, they run sequentially (STD first, then paid parental, then unpaid). Get this in writing from HR before you plan your leave.

Lena, a marketing manager in California earning $115k/year, took 12 weeks of maternity leave. Her weekly salary: $2,211. Full-salary equivalent for 12 weeks: $26,540.

What she actually received:

• Weeks 1-6 (pregnancy recovery STD): 60% of salary × 6 weeks = $7,960
• Weeks 1-8 (CA state disability + paid family leave): California SDI for pregnancy disability, then PFL for bonding. Pays ~70% of salary capped at $1,540/week in 2026. So 6 weeks at ~$1,400 (disability) + 8 weeks at ~$1,300 (PFL) = $18,800 total, stacking partially with STD.
• Weeks 1-6 (company paid parental leave): $13,266 full salary top-up. Company policy offered 6 weeks full pay.
• Weeks 7-12 (reduced): After PFL and parental leave ended at week 8, she used accrued PTO for weeks 9-10, then 2 weeks unpaid at the tail.

Net: she received roughly $22,000 combined during the 12 weeks. Gap vs. working: ~$4,500. Far better than the naive "12 weeks unpaid FMLA" assumption, but only because California's state program combined with a generous employer parental leave policy and her own PTO balance.

In a state without statutory paid leave, and with only minimal STD and no paid parental leave, her 12 weeks would have netted roughly $10-12k — a $14-16k gap vs working. The geographic variance in paid leave outcomes in the US is enormous.

FMLA eligibility has three requirements:

1. Employer size. Your employer must have 50+ employees within 75 miles of your worksite. Companies under 50 aren't covered by FMLA — you have no federal right to unpaid leave.
2. Tenure. You must have worked there 12+ months (non-consecutive counts) and 1,250+ hours in the last 12 months. New hires in their first year: not eligible.
3. Qualifying reason. Your own serious health condition, a family member's serious condition, birth/adoption/foster placement, or qualifying military family leave.

If you're not FMLA-eligible, you have no federal right to job-protected leave — you're at your employer's mercy for leave policies. About 44% of US workers don't qualify for FMLA in any given year, per DOL data. For them, the question isn't "how much paid leave" but "can I take leave at all without losing my job?"

Some states extend protection beyond FMLA (California CFRA, New York PFL job protection, New Jersey FLA). Check your state law if FMLA doesn't apply.

Smart sequencing can close most of the income gap. Common strategies:

• Use STD for medical first, then PTO, then unpaid. STD benefits run on a schedule (often 6-12 weeks for childbirth). Burn these first when they're available, preserving PTO for the unpaid tail of leave.
• Stack state paid leave concurrently with STD when allowed. In some states (CA, NY, NJ), you can receive STD benefits AND state paid leave benefits during the same weeks, getting closer to full salary replacement. Check your state's coordination rules.
• Negotiate employer paid leave to stack with state programs. Many employers have "top-up" policies — they pay the difference between state PFL and full salary for a set number of weeks. If your employer doesn't have this explicitly, ask HR if they'll consider it.
• Spread leave across calendar years if allowed. If you can take 6 weeks late December and 6 weeks early January, you reset your annual PTO allotment at year-end, giving you more paid time off across the combined leave.

Get the specifics in writing. "Verbal assurance from my manager" is worthless when accounting runs payroll during your leave.

Several common employer errors that hurt employees:

• Requiring PTO use before FMLA kicks in. Legal, but not required. Some employers force PTO concurrent with FMLA, reducing your remaining balance.
• "You're on FMLA, so you can't also be on STD." Wrong — FMLA and STD run concurrently for medical reasons. FMLA is job protection; STD is income replacement.
• Not continuing health insurance. Illegal — under FMLA, your employer must maintain health insurance at the same cost-share as when you were working. If they drop you from coverage or bill you the full premium, that's a violation.
• Not restoring to the same/equivalent position. FMLA requires restoration to your previous role or an equivalent one (same pay, benefits, responsibilities). Not a "lesser" role that conveniently becomes available during your leave.

If your employer violates FMLA, you can file a complaint with the DOL Wage and Hour Division or sue under federal law. Retaliation is also prohibited — if your manager treats you worse after FMLA leave, document everything and consult an employment attorney.

Paid parental leave utilization among eligible fathers is dramatically lower than mothers — often 20-30% take the full benefit even when offered. Reasons: workplace stigma, fear of career penalties, assumption that it's "for mothers."

Take the leave. Three reasons:

1. It's comp. Refusing 8 weeks of full-pay paternity leave to show commitment is refusing $15-25k of compensation. You wouldn't refuse 8 weeks of cash bonus.
2. Career outcomes improve when fathers take leave. Research from Sweden and the US shows children of fathers who took leave have better developmental outcomes, and marriages are more stable. The leave returns outlast the single year.
3. Leadership signaling. When senior fathers take full leave, it normalizes it for junior employees. Declining the benefit reinforces the stigma that keeps others from taking it.

Same advice for adoptive parents and foster parents — most paid parental leave policies cover adoption, but utilization is even lower than biological parent leave. Use what you're entitled to.

For planned leave (parental, scheduled surgery, elder care), start preparation 6 months out:

1. Get your benefits documentation. Request from HR: FMLA eligibility confirmation, STD policy document, paid parental leave policy, accrued PTO balance. In writing.
2. Build cash buffer. Target 3-6 months of expenses in liquid savings before leave begins, to cover unpaid weeks.
3. Notify your manager early. 30 days is the legal minimum for planned leave; 8-12 weeks is polite. Manager surprise hurts your career.
4. Document your work. Create handoff docs for key projects, delegate explicit ownership of responsibilities, set up "break glass" communication for true emergencies only.
5. Set boundaries on work contact. FMLA leave shouldn't involve work calls. Tell your manager you'll be unavailable; set an out-of-office that routes everything elsewhere.
6. Plan re-entry. First 2 weeks back should have light scheduling — your productivity will be 50-70% of baseline while readjusting. Don't commit to major projects starting week 1.