Utah Payroll Paycheck Calculator

Single-file prototype for State of Utah payroll estimate modeling

Employee Information

W-4 Information

Pre-Tax Deductions

Supports fixed dollar or percentage deductions
Type $ or % Value

Post-Tax Deductions

Supports fixed dollar or percentage deductions
Type $ or % Value

Year-to-Date Inputs

Earnings

Enter one value per wage type. Hourly-based wage types treat the value as hours; amount-based wage types treat the value as dollars.
Wage Type Entry Computed

General Tax / Retirement Settings

Utah Withholding Settings

Current prototype uses a direct percentage less allowance reduction based on the values provided.
Formula implemented:
Withholding = max(0, round(taxableWages × rate - max(0, baseAllowance - max(0, taxableWages - threshold) × reductionRate), 2)) + added withholding

Federal Brackets

Rates are standardized once per row. Edit only the low/high annual ranges for each filing status.
Tax Rate Married Single Head of Household
Low Range High Range Low Range High Range Low Range High Range

Wage Types

Manage wage type behavior, hourly multipliers, flat hourly add-ons, and tax treatment codes.
Category Description Hourly Rate Effect Other Hourly Amount Tax Treatment
Tax treatment codes in this prototype:
R = regular taxable wages, taxed under normal withholding rules
F = federal flat supplemental withholding (22%) for federal only; FICA still applies unless later expanded
N = non-taxable / reimbursement placeholder for future rules
State of Utah Pay Statement (Estimate)
Pay Period: —
Pay Date: —
Payment Number: —
Employee: —
Location: State of Utah (Estimate)
W-4: —
Summary
Type Gross PayPre-TaxPost-TaxTaxesNet Pay
Gross Pay
TypeHoursCurrentYTD
Taxable Non-Cash Earnings
TypeCurrentYTD
Pre-Tax Deductions
TypeCurrentYTD
Post-Tax Deductions
TypeCurrentYTD
Taxes
TypeCurrentYTD
Net Pay Distribution
TypeAmount

Audit Notes