Calculate Hours, Work Time & Study Schedules
Free hours calculator with 4 modes: time duration between two times, weekly work hours with payroll, study planner with Pomodoro sessions, and days between dates with business day count.
How It Works
Duration = (End - Start) - Breaks; Payroll = Regular×Rate + Overtime×1.5×RateCalculate the difference between start and end times, subtract break duration for net hours. For payroll, hours up to 8 are regular rate; beyond 8 are overtime at 1.5× rate. Weekly hours are summed across all working days.
Quick Tips
Overtime
In India, overtime must be paid at 2× the normal rate under the Factories Act. For IT/office jobs, 1.5× is common practice.
Study Hours
Research shows 25-min Pomodoro sessions with 5-min breaks maximize retention. Our planner calculates total Pomodoro sessions needed.
Business Days
Business days exclude weekends. For Indian holidays, add 15-18 days per year. Use the Between Dates mode for project planning.
Night Shift
If end time is before start time, the calculator automatically assumes overnight (adds 24 hours).
Step-by-Step Instructions
- 1Choose your mode: Time Duration, Work Week, Study Planner, or Between Dates.
- 2Enter start and end times (or dates for the Between Dates mode).
- 3Add break duration or hourly rate if needed.
- 4View calculated hours, payroll, or study schedule instantly.
Frequently Asked Questions
How do I calculate hours between two times?▼
Enter start and end times in the Time Duration mode. The calculator shows hours, minutes, decimal hours, and total minutes. Add break duration to get net working hours.
How is overtime calculated?▼
Standard overtime is 1.5× your hourly rate for hours beyond 8 per day. In India, the Factories Act mandates 2× rate for factory workers.
How many Pomodoro sessions do I need?▼
Divide total study hours by 25 minutes (one Pomodoro). Our Study Planner mode calculates this automatically based on your exam date and subjects.
What are business days?▼
Business days are Monday through Friday, excluding weekends. The Between Dates mode counts business days between any two dates, useful for project deadlines.