Time to Decimal Calculator – Frequently Asked Questions
The questions people ask most when converting hours and minutes to decimal hours, and decimal hours back to time.
Jump back to the time to decimal calculator, the decimal to hours converter, or the minutes to decimal chart whenever you need to convert a value.
How do I convert time to a decimal? ▾
Divide the minutes by 60 and add the result to the hours. For 7 hours 45 minutes: 45 ÷ 60 = 0.75, so 7 + 0.75 = 7.75 decimal hours. The calculator does this automatically as you type — no button to press.
How to write 25 minutes in decimal? ▾
25 minutes ÷ 60 = 0.42 decimal hours (rounded to two places). For a combined entry, 1 hour 25 minutes = 1.42 decimal hours. The full set is on the minutes to decimal chart.
How to write 7 hours and 30 minutes in decimal? ▾
30 minutes ÷ 60 = 0.5, so 7 hours 30 minutes = 7.5 decimal hours. That is the number to put on a timesheet or payroll form.
What is 4 hours and 20 minutes as a decimal? ▾
20 minutes ÷ 60 = 0.33 (rounded), so 4 hours 20 minutes = 4.33 decimal hours. Use it for billable hours or a timesheet entry.
How do I convert decimal hours back to time? ▾
Keep the whole number as hours and multiply the fraction by 60 for minutes. 7.75 → 7 hours and 0.75 × 60 = 45 minutes. The decimal to hours converter shows this instantly.
Why do payroll and timesheets use decimal hours? ▾
Decimal hours are easier to add and multiply by a pay rate than clock time. 7:45 becomes 7.75, so 7.75 × $20/hour = $155.00 with no time-math errors. That is why a time to decimal calculator is standard for payroll and billable-hours work.
Still stuck?
If your question is not here, the calculator handles any hours-and-minutes combination, and the chart covers every single minute from 1 to 60. For the reverse direction, use the decimal to hours tool.