Learn the rules
Guides
Plain explanations of how work-hours and pay calculations work — the rules, the formulas, and the edge cases. Each guide links to the calculator that does the maths for you.
- How to Calculate Hours Worked The manual method, decimal conversion, overnight shifts, and payroll rounding.
Related: Hours Worked Calculator , Time Card Calculator , Decimal Hours Calculator
- How to Calculate Overtime Pay The formula, the regular-rate rules, and thresholds by country.
Related: Overtime Calculator , Time Card Calculator , Hourly Pay Calculator
- How Time Cards Work What a time card records, how to fill it out, and how rounding works.
Related: Time Card Calculator , Time Clock Calculator , Hours Worked Calculator
- Salary vs Hourly Pay Overtime eligibility, benefits, stability, and comparing offers.
Related: Salary to Hourly Calculator , Hourly Pay Calculator , Overtime Calculator
- Gross Pay vs Take-Home Pay Every paycheck deduction explained, and how to read a pay stub.
Related: Take-Home Pay Calculator , Paycheck Calculator , Salary to Hourly Calculator
- How Many Work Hours Are in a Year? The 2,080-hour standard, why years differ, and PTO-adjusted hours.
Related: Working Hours Calculator , Salary to Hourly Calculator