IRS Publication 15

Gross-Up Calculation

Formula calculating the higher gross payment required to deliver a desired net payment post-taxes.

Detailed Definition & Statutory Context

Gross-Up Calculation is governed by IRS Publication 15 standards across corporate payroll administration, statutory tax withholding, and general ledger labor accounting. Rigorous compliance with Gross-Up Calculation prevents IRS Form 941 deposit penalties and FLSA wage-and-hour litigation.

Statutory Formula & Equation
Required Gross Pay = Desired Net Pay ÷ [ 1 - Total Combined Tax Withholding Rates ]

General Ledger / Payroll Journal Entry Standard

Debit: Gross Payroll Expense / Employer Tax Expense
Credit: FICA Taxes Payable / Federal Income Tax Payable / Net Pay Cash

Common Operational Pitfalls

  • Excluding non-discretionary bonuses from FLSA overtime regular-rate calculations.
  • Failing to cap Social Security tax withholding once employee earnings exceed the $168,600 wage base.
  • Misclassifying non-exempt hourly employees as exempt salaried workers.

Used in these Payroll Calculators

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Authoritative Statutory Source

Source: https://www.irs.gov/publications/p15 ↗