Free calculators for work hours, wages, salary, overtime and PTO.
EarningsMath helps workers, payroll reviewers, managers and small teams run clear arithmetic for United States work and pay questions using the values they enter.
Useful calculators
Time Card Calculator
Free weekly and biweekly time card calculator for clock-in, clock-out, unpaid breaks, regular hours, overtime hours and estimated gross pay.
PAYSalary to Hourly Calculator
Convert annual salary to an estimated hourly rate plus weekly, biweekly and monthly gross pay using your weekly hours and weeks worked per year.
PAYOvertime Pay Calculator
Estimate regular pay, overtime pay and total gross pay from hourly rate, total hours, overtime threshold and overtime multiplier.
PTOPTO Accrual Calculator
Estimate PTO hours accrued from employer-provided rules such as PTO per hours worked, PTO per pay period, or annual PTO.
Time Calculators
Calculate work hours, time cards, timesheets, decimal hours and annual work time.
Time Card Calculator
Free weekly and biweekly time card calculator for clock-in, clock-out, unpaid breaks, regular hours, overtime hours and estimated gross pay.
Work Hours Calculator
Calculate hours worked between start and end times, subtract unpaid breaks, and total multiple work periods including overnight shifts.
Timesheet Calculator
Add weekly or biweekly timesheet hours, split regular and overtime hours, and estimate gross pay from daily decimal hours.
Decimal Hours Calculator
Convert hours and minutes to decimal hours, convert decimal hours back to hours and minutes, and check common minute conversions.
Work Hours in a Year Calculator
Estimate scheduled and actual annual work hours from weekly hours, weeks per year, workdays, holidays, PTO, and other days away.
Pay Calculators
Convert salary and hourly pay, estimate overtime, raises, shift differentials and pay periods.
Salary to Hourly Calculator
Convert annual salary to an estimated hourly rate plus weekly, biweekly and monthly gross pay using your weekly hours and weeks worked per year.
Hourly to Salary Calculator
Convert hourly pay to estimated annual salary plus weekly, biweekly and monthly gross pay using hours per week and weeks worked per year.
Overtime Pay Calculator
Estimate regular pay, overtime pay and total gross pay from hourly rate, total hours, overtime threshold and overtime multiplier.
Time and a Half Calculator
Calculate a 1.5× time-and-a-half hourly rate, total time-and-a-half pay, regular-rate comparison and premium increase.
Double Time Calculator
Calculate a 2× double-time hourly rate, total double-time pay, regular-rate comparison and premium increase.
Pay Raise Calculator
Calculate a percentage pay raise for hourly wages or annual salary, including new pay, raise amount and annual impact.
Biweekly Pay Calculator
Estimate gross pay for a two-week pay period from hourly wages or annual salary using a simple hourly or salary method.
Shift Differential Calculator
Estimate extra shift differential pay using either a fixed dollar premium per hour or a percentage premium on a base hourly rate.
PTO Calculators
Estimate PTO accrual and the gross value of unused PTO using employer-provided policies.
How EarningsMath works
Calculators use straightforward arithmetic formulas and user-entered settings. Results are estimates for planning, checking timesheets, comparing gross pay, and understanding PTO rules.
Important boundary
EarningsMath does not determine legal eligibility, tax withholding, employer obligations or final payroll outcomes. Verify the values, policies and rules that apply to your situation.