# Free Work Hours Calculator

> Calculate total work hours for weekly payroll computation. Free, no sign-up, by Staff Khata.

Hours worked = (daily hours × days per week × weeks) − (absent days × daily hours) + overtime hours. Under the Factories Act, 1948, an adult worker may work up to 9 hours a day and 48 hours a week, and overtime is paid at twice the ordinary rate. Shops follow their state's Shops and Establishments Act.

## Inputs

- Standard Daily Work Hours
- Work Days per Week
- Number of Weeks
- Absent Days
- Overtime Hours Total

## Frequently asked questions

### How is overtime calculated in India?

For factories, overtime is hours beyond 9 a day or 48 a week, paid at twice the ordinary hourly wage. The hourly rate is commonly worked out as (basic + DA) ÷ 26 ÷ 8.

### Can Staff Khata do this calculation automatically every month?

Yes. Staff Khata takes attendance from Realtime biometric machines, a rotating QR code or selfie + GPS punches, then works out salary, PF, ESI, advances and payslip PDFs for each employee. Payroll is on the Growth plan at ₹0.50 per employee per day.

Use the calculator: https://staffkhata.com/free-tools/work-hours-calculator