The NumberTrove library
Work & pay
calculators.
Compare hourly, weekly, monthly, and annual pay or plan the time involved in a work schedule. Use these calculators to make the assumptions behind a pay estimate visible.
Choose the right work & pay calculator
Adjust paid weeks, hours per week, overtime rates, holidays, and unpaid time to match the situation. Payroll taxes, benefits, and local labor rules are not automatically included unless stated.
Every tool is free, browser-based, and includes its formula, assumptions, and related calculators. Use the links below to start with the result you need.
Hourly to salary calculator
See what an hourly rate looks like across a year of work.
Work & paySalary to hourly calculator
Convert an annual salary into an equivalent hourly rate.
Work & payOvertime calculator
Estimate overtime pay from a base rate and extra hours.
Work & payWorking days calculator
Count weekdays between two dates without a manual calendar check.
Work & payWork hours calculator
Turn working days and hours per day into total work hours.
Work & pay