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Income calculators help you understand exactly how much you earn and how different pay structures affect your paycheck. CalcForge's free income calculators cover overtime pay at any multiplier, salary-to-hourly conversions, and gross pay estimates across weekly, biweekly, and monthly pay periods. Whether you are checking whether a paycheck is correct, comparing a salaried offer against an hourly one, or planning how overtime will affect your annual income, these tools give you the numbers quickly.
Calculate your overtime pay for any wage and multiplier, from time-and-a-half to double time. See your total gross paycheck and the annualized equivalent.
Open calculatorConvert any annual salary to an hourly wage using your real work hours. See the daily, weekly, biweekly, and monthly gross equivalents at a glance.
Open calculatorTurn any hourly wage into an annual salary using your real hours. Add overtime to see how extra hours lift your yearly gross.
Open calculatorThe federal Fair Labor Standards Act (FLSA) requires that non-exempt employees receive overtime pay at a rate of at least 1.5 times their regular hourly wage for all hours worked beyond 40 in a single workweek. The formula is straightforward: overtime hourly rate equals your regular hourly wage multiplied by the overtime multiplier (1.5 for time and a half, 2 for double time, or a custom rate set by your employer or state law).
For example, an employee earning $18 per hour who works 45 hours in a week at time and a half earns: $720 in regular pay (40 hours times $18) plus $135 in overtime pay (5 hours times $27), for a total weekly gross of $855. The calculator on this site performs this calculation instantly for any wage, hours, and multiplier you enter.
Pay period scaling works by multiplying the weekly result: biweekly pay is the weekly total times 2 (26 paychecks per year), and monthly pay is the weekly total times 52 divided by 12. Annualized gross income is the weekly total times 52. All figures shown by CalcForge calculators are gross (before taxes and deductions).
CalcForge offers income calculators for different pay structures and questions. Each tool is built for a specific calculation so the result matches how pay actually works.
Overtime requirements in the United States are set by the Fair Labor Standards Act (FLSA) at the federal level, with additional rules in many states. The federal standard is time and a half (1.5x) for hours over 40 in a workweek. Some states, like California, also impose daily overtime: 1.5x after 8 hours in a day and 2x after 12 hours.
Not all employees are covered. Exempt employees, generally those in executive, administrative, or professional roles earning above a salary threshold, are not entitled to overtime under federal law. The exemption rules consider both salary level and job duties. Some states set higher salary thresholds than the federal minimum, expanding overtime coverage to more workers.
Holiday pay, shift differentials, and weekend premiums are not required by federal law. They are determined by employer policy, collective bargaining agreements, or state statute. When an employer does offer holiday premium pay, the overtime calculator can estimate the earnings by selecting the appropriate multiplier.