Overtime Back Pay Laws — Unpaid Overtime Rights & Recovery

Overtime back pay laws determine when a covered employee can recover overtime that should have been paid in an earlier workweek. This guide focuses on the federal FLSA baseline, common underpayment patterns, limitation periods, remedies, and how state rules can add protections without duplicating the Overtime Pay Calculator.

On this page: FLSA overtime rules · Who qualifies · Common violations · Lookback periods · Damages you can recover · State rules · How to recover · FAQ

Estimate what you're owed: Overtime Pay Calculator · Back Pay Calculator · Unpaid Breaks Calculator

Federal baseline: For covered, non-exempt employees, the FLSA generally requires at least 1.5× the regular rate for hours over 40 in a workweek. Recovery of back pay is generally subject to a two-year limitations period, extended to three years for willful violations. State law may provide additional or different rights.

FLSA Overtime Rules: The Federal Baseline

The federal Fair Labor Standards Act generally requires covered, non-exempt employees to receive overtime pay at not less than 1.5× the regular rate for hours worked over 40 in a workweek.

Official source: U.S. DOL Fact Sheet #17A.

Who May Qualify for Overtime Back Pay?

Eligibility depends on coverage and exemption rules, not job title alone. Examples of workers who may need to investigate an overtime shortfall include:

As of 2026, the U.S. Department of Labor lists $684 per week as the standard salary level for most executive, administrative, and professional exemptions. Salary alone is not enough: the applicable duties test and other requirements must also be satisfied. Some exemptions, including teachers, doctors, lawyers, and outside-sales employees, use different salary-test rules.

Current DOL threshold: Earnings thresholds for EAP exemptions.

Common Overtime Underpayment Patterns

Worked-through auto-deducted meal time has its own calculation intent. Use the Unpaid Breaks Calculator for that straight-time estimate, then evaluate whether the added hours also affect overtime.

Overtime Lookback Periods: How Far Back Can You Claim?

Under the FLSA, recovery of unpaid minimum-wage or overtime back pay is generally subject to a two-year statute of limitations, extended to three years for willful violations. The relevant date is tied to when the violation occurred, so older pay periods can fall outside the recoverable window while newer ones remain within it.

State wage laws can use different limitation periods, claim procedures, and remedies. Do not assume that a longer state deadline automatically applies to every federal overtime theory or that the same filing preserves every possible claim.

Official source: U.S. Department of Labor — Back Pay.

What Can Be Recovered for Unpaid Overtime?

For a covered FLSA overtime claim, potential federal remedies can include:

State-law remedies are separate. For example, California’s PAGA can provide civil penalties for Labor Code violations, but the amount is fact-specific and the 2024 reforms changed standing, allocations, cure procedures, and potential penalty reductions. PAGA should not be treated as a flat “$100–$200 per pay period” add-on to every overtime claim.

Federal remedy source: U.S. DOL — Back Pay · California: PAGA FAQ.

Have an overtime dispute that is more complex than the calculator? A lawyer can help evaluate coverage, exemption status, limitation periods, and available federal or state remedies. Ask an employment lawyer →

State Overtime Rules Can Go Beyond the FLSA

The FLSA sets a federal floor, but state law may create additional overtime rights. Because state thresholds and exemptions can change, this page does not use a nationwide state-by-state table as a substitute for current agency guidance.

California example

California generally requires daily overtime for many non-exempt employees after 8 hours in a workday and double time after 12 hours, along with additional seventh-day rules. Exemptions and valid alternative workweek schedules can change the result, so a weekly total alone is not enough to calculate California daily overtime.

Use the Overtime Pay Calculator for a simple threshold-based estimate and review the California Labor Commissioner overtime FAQ before applying California daily rules.

How to Investigate and Recover Unpaid Overtime

  1. Reconstruct hours by workweek: gather timecards, schedules, pay stubs, messages, and other records that show when compensable work was performed.
  2. Check the regular rate: identify compensation that may need to be included in the overtime rate rather than assuming base hourly pay is always the full regular rate.
  3. Estimate the overtime component: use the Overtime Pay Calculator for the arithmetic, then compare the estimate with what was actually paid.
  4. Raise a payroll discrepancy in writing: identify the workweeks, hours, and pay entries at issue and keep a copy of the response.
  5. Check federal and state enforcement routes: the U.S. DOL Wage and Hour Division can investigate FLSA claims, while state labor agencies may enforce additional state protections.
  6. Act before deadlines expire: filing and limitation rules vary by claim, so verify the deadline for the legal theory you are pursuing.

Overtime Pay Calculator

Estimate overtime hours, overtime-rate pay, and the additional premium.

Back Pay Calculator

Estimate past unpaid hours plus optional PTO/vacation at one entered rate.

Unpaid Breaks Calculator

Estimate wages for worked-through or auto-deducted break time that was unpaid.

Frequently Asked Questions

What is overtime back pay?

Overtime back pay is the unpaid difference between the overtime compensation a covered employee should have received and what was actually paid. Under the FLSA, covered non-exempt employees generally receive at least 1.5× the regular rate for hours over 40 in a workweek.

Can salaried employees receive overtime back pay?

Yes. Salary alone does not determine exemption. For many executive, administrative, and professional exemptions, the employee must satisfy the applicable salary-basis, salary-level, and duties requirements. The current federal standard salary level for most of those exemptions is $684 per week, with exceptions for certain occupations.

How far back can I claim unpaid overtime?

Under the FLSA, the general limitations period for back pay is two years and extends to three years for willful violations. State-law claims can use different deadlines and procedures, so the applicable period depends on the claim and jurisdiction.

What damages can I recover for unpaid overtime?

A private FLSA action can seek unpaid overtime, an equal amount as liquidated damages, and reasonable attorney’s fees and court costs. State-law remedies may be different or additional. California PAGA penalties are fact-specific and should not be treated as a flat per-pay-period amount for every claim.

Do unpaid breaks affect overtime calculations?

They can. If compensable work time was improperly deducted, restoring that time can increase the number of hours worked in the workweek and may affect overtime. Use the Unpaid Breaks Calculator for the worked-break estimate and then evaluate overtime separately.

What is the current FLSA overtime salary threshold?

As of 2026, the U.S. Department of Labor lists $684 per week as the standard salary level for most executive, administrative, and professional exemptions. The salary level is only one part of the exemption test, and some occupations use different salary-test rules.

Is this legal advice?

No. This guide explains general federal and selected state overtime concepts for informational purposes. Coverage, exemptions, compensable time, limitation periods, and remedies depend on the facts and jurisdiction.