Compensation Compliance Record
Generated by YourPayBot • 10/9/2026
Reference tool for payroll scenarios.
For documented determinations that fit your onboarding cycle (pre-hire, first payment, mid-year changes), use the Compliance Engines.
Retroactive Pay Calculator
Did an employee get a raise effective 3 months ago? Calculate the retro payment due for regular and overtime hours, with an estimate of the federal withholding and FICA on it.
Pay Rates
Hours Worked
OT retro is 1.5x the rate difference for each overtime hour. Other pay that counts toward the overtime regular rate (shift differentials, non-discretionary bonuses) would change it.
Year-to-date gross before this payment. Social Security stops at $184,500 of wages and Additional Medicare starts above $200,000; leave blank if neither applies.
Calculation Inputs
Total Retroactive Payment
Gross amount before taxes
Tax Withholding Breakdown
Back pay and retroactive raises are supplemental wages (IRS Pub. 15, section 7). The flat 22% rate is an option when the payment is made on its own check or shown separately from regular pay; if it is folded into a regular paycheck without being identified, withholding is figured on the combined total instead. State and local income tax, and any other deductions, are not included.
Know when the rates behind this estimate change.
The tax lines here use the 22% federal supplemental rate and FICA (Social Security 6.2% up to $184,500, Medicare 1.45%). If either changes, we'll email you.
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