Straight, no-sign-up calculators for overtime, time and a half, and converting a salary into an hourly rate. Punch in your numbers, get your answer.
Enter your hourly rate and hours worked to see your regular pay, overtime pay, and total for the week.
Open calculator → Form SH-2Convert an annual salary into an hourly, daily, weekly, and monthly rate based on your actual schedule.
Open calculator → Form HA-4Convert an hourly rate into an annual, monthly, and weekly salary based on your actual schedule.
Open calculator → Form DT-3Calculate double-time pay on top of regular and overtime hours, with fully custom thresholds.
Open calculator →Pay math is full of small, easy-to-miss details — whether overtime kicks in after 40 hours or 8, whether a rate is time and a half or double time, what a salary actually breaks down to per hour. Paycheck Stamp is a small set of focused calculators built to answer one specific question quickly, without accounts, clutter, or guesswork.
Every calculator here runs entirely in your browser — nothing you enter is sent anywhere or stored. It's just arithmetic, laid out clearly.