Overtime Back Pay Laws — Unpaid Overtime Rights & Recovery

Overtime back pay laws protect workers who were not compensated at the required rate for overtime hours. If you worked more than 40 hours in a week — or more than 8 hours in a day in California — without receiving time-and-a-half, you may be owed significant back wages plus additional damages.

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

Key rule: Under the FLSA, unpaid overtime can be recovered for up to 3 years (willful violations) plus liquidated damages that double your recovery. Many states allow longer lookback periods and add additional penalties on top.

FLSA Overtime Rules: The Federal Baseline

The Fair Labor Standards Act (FLSA) is the federal law governing overtime pay for most private-sector employees in the United States. Its core rule: non-exempt employees must receive overtime pay at 1.5× their regular rate for all hours worked beyond 40 in a single workweek.

Key points about how the FLSA calculates overtime:

Who Qualifies for Overtime Back Pay

Overtime eligibility is determined by job duties and pay structure — not job title. Many workers who are told they are "exempt" are not legally exempt and may be owed significant back pay. Workers who may qualify include:

Exempt employees — those who genuinely meet the FLSA's executive, administrative, or professional duties tests AND earn above the salary threshold — are not entitled to FLSA overtime. However, state laws may provide broader protections.

Common Overtime Violations

These are the most frequently occurring overtime violations that result in back pay claims:

Overtime Lookback Periods: How Far Back Can You Claim?

The FLSA sets the federal lookback period for unpaid overtime claims:

The clock runs from when each violation occurred (each underpaid paycheck), not from when you left the job. Many states have longer lookback periods:

State Lookback period Notes
Federal (FLSA) 2 years (3 willful) Baseline for all states
California 3 years California Labor Code § 1194; PAGA claims add additional penalties
New York 6 years New York Labor Law § 663 — among the longest in the US
New Jersey 6 years NJ Wage Payment Law
Pennsylvania 3 years Pennsylvania Minimum Wage Act
Illinois 3 years Illinois Minimum Wage Law
Texas 2 years Follows federal FLSA period
Florida 4 years Florida Minimum Wage Act

Always use the longer period where both federal and state claims are available. Consulting an attorney early is important — every pay period you wait that falls outside the lookback window permanently reduces your recoverable amount.

What Damages Can You Recover for Unpaid Overtime?

A successful overtime back pay claim under the FLSA can recover more than just the unpaid wages. The full recovery often includes:

The attorney's fees provision is particularly important — it means employees can find representation on a contingency basis for overtime claims, with no upfront cost. Use the Back Pay Calculator to estimate the base wage amount before consulting an attorney about the full recovery potential.

Owed unpaid overtime? Under the FLSA you can recover back wages plus equal liquidated damages — effectively doubling your recovery. Most overtime attorneys work on contingency with no upfront cost. Get a free attorney review →

State Overtime Rules That Go Beyond the FLSA

Several states have overtime rules more protective than the federal FLSA baseline:

Where state law provides greater protection than the FLSA, state law applies. Employees in California, Alaska, and Nevada may be owed overtime even for weeks where their total hours were below 40.

How to Recover Unpaid Overtime Back Pay

  1. Document your hours: Gather timecards, schedules, pay stubs, and any records showing hours worked versus hours paid. Emails, text messages, or apps showing you worked outside clocked hours can also be useful.
  2. Estimate the amount owed: Use the Overtime Pay Calculator for a single pay period or the Back Pay Calculator for claims spanning multiple periods.
  3. Raise it internally: Contact payroll or HR in writing. State the specific pay periods, hours, and amounts. A written request creates a paper trail and puts the employer on notice — which is relevant to the willfulness determination if you later file a claim.
  4. File a wage claim: If unresolved, file with the US Department of Labor's Wage and Hour Division (for FLSA claims) or your state labor board (for state claims). The DOL investigates and can recover back wages without you needing to hire an attorney.
  5. Consult an employment attorney: For significant amounts or employer pushback, an attorney can pursue a private lawsuit. The FLSA's attorney fee provision makes contingency representation common for overtime cases.

Act promptly. Every week you delay, the oldest violations fall outside the lookback window and become unrecoverable. Filing sooner preserves more of your claim.

Overtime Pay Calculator

Estimate unpaid overtime wages based on hours worked and your rate.

Back Pay Calculator

Calculate unpaid overtime across multiple pay periods.

Unpaid Breaks Calculator

Estimate wages owed for auto-deducted or missed break time.

Frequently Asked Questions

What is overtime back pay?

Overtime back pay is unpaid wages owed when an employee worked overtime hours but was not compensated at the required rate — typically 1.5× their regular rate for hours over 40 in a workweek under the FLSA. Back pay covers the difference between what was paid and what should have been paid, and can be recovered going back 2–3 years depending on whether the violation was willful.

Can salaried employees receive overtime back pay?

Yes. Being paid a salary does not automatically make an employee exempt from overtime. Under the FLSA, employees must meet both a salary threshold ($684/week) AND pass a duties test to be exempt. Employees who hold titles like "manager" or "supervisor" but primarily perform non-managerial tasks may be non-exempt and owed overtime back pay — regardless of how they're paid.

How far back can I claim unpaid overtime?

Under the FLSA, the standard lookback period is 2 years for regular violations and 3 years for willful violations. Many states allow longer periods — New York and New Jersey allow 6 years, California allows 3 years, and Florida allows 4 years. Always pursue the longer period available under federal or state law. See the lookback table above for your state.

What damages can I recover for unpaid overtime?

Under the FLSA you can recover: (1) the unpaid overtime wages themselves, (2) liquidated damages in the same amount — doubling your recovery, and (3) attorney's fees and court costs. Many states add civil penalties on top. California's PAGA adds $100–$200 per employee per pay period for violations.

Do unpaid breaks affect overtime calculations?

Yes. If break time is improperly deducted — for example, an auto-deducted 30-minute lunch you actually worked through — those minutes count as hours worked and can push your weekly total over 40, triggering overtime. This is one of the most common causes of overtime underpayment. Use the Unpaid Breaks Calculator to estimate wages owed for worked break time.

What is the FLSA overtime threshold?

Under the FLSA, non-exempt employees are entitled to overtime pay at 1.5× their regular rate for all hours beyond 40 in a single workweek. The salary threshold for exempt employees is $684/week ($35,568/year) as of 2024. Employees earning below this amount are generally non-exempt and overtime-eligible regardless of job title or whether they are paid a salary.

Is this legal advice?

No. This article is for informational purposes only and does not replace professional legal advice. Rules vary by jurisdiction, employment type, and individual circumstances. Consult an employment attorney for guidance specific to your situation.