Time to Decimal Calculator
Turn hours and minutes into decimal hours in real time — for timesheets, payroll and billable hours. No buttons, no sign-up.
Example: 7 hours 45 minutes → 7.75 decimal hours. Update either field and the result changes instantly.
Example: 7.75 decimal hours → 7 hours 45 minutes. The conversion runs as you type.
Convert Time to Decimal Hours
To convert time to decimal hours, divide the minutes by 60 and add them to the hours. The formula is simple:
decimal hours = hours + (minutes ÷ 60)
So 7 hours and 45 minutes becomes 7 + (45 ÷ 60) = 7.75 decimal hours. Our calculator does this the moment you type — no generate button, no rounding surprises. The result is rounded to two decimal places, and you also get total minutes and total seconds as backup figures for your records.
Convert Decimal to Hours and Minutes
The reverse direction works just as easily. To convert decimal to hours and minutes, take the whole number as hours and multiply the fraction by 60 to get minutes. For example, 7.75 decimal hours = 7 hours and 0.75 × 60 = 45 minutes. Switch to the “Decimal → Time” tab above, or open the dedicated decimal to hours converter.
Minutes to Decimal Chart
Need a quick reference instead of typing? The minutes to decimal chart lists every minute from 1 to 60 as a decimal — click any row to copy it. Handy when you only have a minute value, like 30 minutes in decimal = 0.5 or 45 minutes in decimal = 0.75.
Why Convert Time to Decimal?
People search for a time to decimal calculator because clock time (7:45) and decimal time (7.75) are not the same thing, and getting it wrong costs money. The most common reasons:
- Timesheets & payroll — HR and accounting systems store worked hours as decimal hours, so 7:45 must be logged as 7.75.
- Billable hours — lawyers, consultants and freelancers invoice in decimal hours, so a 4-hour-20-minute task bills as 4.33 hours.
- Overtime & shift math — adding decimal hours is far easier than adding clock times across a week.
- Project tracking — managers convert “4 hours 20 minutes” into 4.33 hours to compare estimates against actuals.
Frequently Asked Questions
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 above does this automatically as you type.
How to write 25 minutes in decimal? ▾
25 minutes ÷ 60 = 0.42 decimal hours (rounded to two places). If it is part of a larger entry, add the hours: 1 hour 25 minutes = 1.42 decimal hours. See the full 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. Enter it exactly like that 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. That is the figure to use for billable hours or a timesheet entry.