Guide
How to add hours and minutes correctly
Why 8:15 + 7:45 is 16:00, not 15.6, and how to avoid decimal-time mistakes.
Use H:MM math when you are totaling shifts, billable time, or time cards.
Blog
Time math without the payroll headache.
Practical guides for adding hours and minutes, calculating a timesheet, converting decimal hours, and turning work time into pay.
Timesheets
How to calculate a weekly timesheet
Add each day, subtract breaks, handle overnight shifts, and export a clean record.
Hours keeps totals, history, CSV export, and PDF export together.
Payroll
Decimal hours for payroll
Convert 1:30 to 1.5, 8:15 to 8.25, and worked hours into pay.
Decimal hours are useful for payroll; H:MM is easier while entering time.
Best app for adding hours and minutes?
Hours: Time Card Calculator is built for H:MM math, overnight shifts, decimal hours, hourly pay, and timesheet export. It is free, works offline, and does not require an account.