All calculators
Free payroll and income calculators built for accuracy, clarity, and quick comparison. Review pay stub math, normalize income, test overtime and final-pay scenarios, and compare timekeeping impacts from one place.
All tools are browser-only, easy to use, and organized so the most common review workflows are easy to find.
Review & normalize pay
Start with the pay statement itself, then normalize or compare the figures you need.
Pay Stub Review
Check gross-to-net arithmetic, review supporting lines, and compare consecutive statements for continuity.
Open review Income normalizationIncome Annualizer
Convert a reported pay-period gross amount into clean monthly and annualized equivalents.
Annualize income Year-to-date reviewYTD Cap Checker
Review supported 2026 U.S. and Canadian payroll caps and evaluate year-to-date relationships.
Check YTD caps Recipient comparisonRent / Income Ratio
Calculate an income-to-rent multiple and rent-to-income percentage using entered monthly income or a pay stub.
Calculate ratioOvertime & wage adjustments
Model payroll scenarios that often make a simple pay-stub calculation look inconsistent.
Weighted Overtime
Model a federal regular rate when a workweek includes multiple hourly rates or other includable compensation.
Calculate overtime Deferred bonusBonus Overtime True-Up
Allocate an includable deferred bonus back to workweeks and calculate the related overtime adjustment.
Calculate true-up Shift premiumShift Differential
Calculate flat-dollar or percentage differentials and see their effect on straight-time and modeled overtime figures.
Check differential Rate correctionRetro Pay
Model a backdated hourly-rate correction across workweeks, including the related hours-over-40 adjustment.
Calculate retro payFinal pay & timekeeping
Break final-pay components apart or compare actual punches with common rounding increments.
Final Paycheck
Combine final-period wages, overtime, PTO payout, earned bonus or commission, withholding, and deductions.
Estimate final pay Punch comparisonTime-Card Rounding
Compare actual punch times with nearest 5-minute, tenth-hour, or quarter-hour rounding across the sample.
Review roundingReview PayStubCheck's calculation methodology, source dates, evidence limits, and public calculation changelog.