Tools & Calculators
Free tools to help small business owners manage employee time, calculate overtime, and prepare for payroll. No sign-up required.
Calculators
⏱ Time Card Calculator
Enter clock-in and clock-out times for up to 7 days and instantly calculate total hours worked. Supports lunch breaks.
💰 Overtime Pay Calculator
Enter your hourly rate and hours worked. Supports federal weekly OT rules and California daily overtime (1.5× and 2×).
🔢 Decimal Hours Converter
Convert between hours and minutes (HH:MM) and decimal hours. Useful for payroll entry in systems that require decimal format.
🧾 Project Billing Calculator
Add tasks or projects with hours and rates. See subtotals and a grand total instantly — for freelancers, consultants, and agencies.
💵 True Cost of an Employee
Wages are just the start. See the real hourly cost of an employee once payroll taxes, workers' comp, and benefits are added.
📈 Labor Cost % Calculator
See labor cost as a percentage of revenue, with industry benchmarks for restaurants, retail, and hospitality.
🏖️ PTO Accrual Calculator
Turn annual PTO days into an hourly accrual rate, then see how much paid time off you earn per pay period.
References
🗓 Federal Holidays
Complete list of US federal holidays with dates for the current and next year. Useful for scheduling and payroll planning.
⚖️ State Overtime Rules
State-by-state overtime requirements. Find out when daily OT kicks in, double-time thresholds, and seventh-day rules.
Templates
Ready to automate all of this?
CKZ Time Clock calculates overtime, locks pay periods, and exports directly to your payroll provider — automatically.
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