Work Hours & Time Card Guides

Short, practical guides that explain how work-hour, time-card and overtime calculations work — and how to use the matching WorkHoursHQ calculators. Each guide includes clear formulas and a worked example.

How to Calculate Work HoursStart and end times, unpaid breaks, overnight shifts and weekly totals explained.Decimal Hours ExplainedWhat decimal hours are, why payroll uses them, and how to convert minutes correctly.How to Calculate a Time Card With BreaksClock-in/out times, unpaid-break deductions and weekly time-card totals.How to Calculate Overnight Shift HoursWhy shifts crossing midnight cause errors and how to count them correctly.How Overtime Pay Is CalculatedRegular hours, overtime threshold, multipliers and time-and-a-half pay.

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