Time Clock Decimal Converter
Convert h:mm to decimal hours and back. Sum a column.
Total
35.50 h
35:30 as h:mm
Per-row conversion
- 8:308.50 h · 08:30
- 9:159.25 h · 09:15
- 7:457.75 h · 07:45
- 10:0010.00 h · 10:00
Payroll systems usually want decimal hours (8.5 for 8:30). HR and time clocks usually show H:MM. This tool lets you go either way and totals the column. Useful for invoicing, contractor reports, and timesheet reconciliation.
About
Paste a column of times (h:mm or decimal). The tool converts each line and totals the column. Useful for invoices and payroll where one system uses h:mm and the other wants decimal.
How to use
- Paste your times.
- Read the per-row and total conversions.
FAQ
Why is 8:30 = 8.5 hours?+
30 minutes is half an hour. 45 min is 0.75. 15 min is 0.25. The pattern: minutes ÷ 60 = decimal portion.