Decimal Hours to Minutes Converter

Convert payroll decimal hours (like 7.75h) to hours and minutes (7h 45m), or the other way around.

Decimal hours → hours & minutes

= 7h 45m

Hours & minutes → decimal hours

= 7.75 decimal hours

Common decimal-to-minute equivalents

Decimal Minutes
.053 min
.106 min
.159 min
.2012 min
.2515 min
.3018 min
.33320 min
.4024 min
.5030 min
.66740 min
.7545 min
.9054 min

Both directions round to the nearest minute (or nearest hundredth of an hour) rather than truncating, so a value like 0.1 hours shows as 6 minutes exactly, and 45 minutes shows as 0.75 decimal hours exactly.

About this tool

How to use it

  1. To convert decimal hours to hours and minutes, type a value like 7.75 into the top field — the h:m result updates live below it.
  2. To convert hours and minutes to decimal hours, type the hours and minutes into the two fields in the second panel — the decimal result updates live below it.
  3. Use either panel independently; you don't need to fill in both to get a result.
  4. Check the quick-reference table below for the most common fractional-hour conversions without typing anything.

Why it matters

Payroll and timesheet systems almost always store hours as a decimal (7.75), while people naturally think and speak in hours and minutes (7 hours 45 minutes) — converting between the two by hand is where mistakes like treating .75 as 75 minutes creep in. This tool does the conversion exactly, in both directions, so neither format needs to be translated in your head.

When to use it

Useful when a payslip or timesheet shows a decimal figure and you want to know what it means in clock time, or the reverse — you know you worked 6 hours and 20 minutes and need to enter that as a decimal into a payroll system.

Good to know

Both directions round to the nearest minute or nearest hundredth of an hour rather than truncating, so results are as exact as the input allows — 0.1 decimal hours converts to exactly 6 minutes, and 45 minutes converts to exactly 0.75 decimal hours. A small number of common fractions (like thirds) don't divide evenly into either unit, so their reference-table entries are shown to 3 decimal places as a close approximation rather than an exact value.

Common questions

How do I convert 0.75 hours to minutes?

Multiply by 60: 0.75 × 60 = 45 minutes. This tool does that multiplication (and the reverse) automatically, and rounds to the nearest whole minute so you don't need to do the math by hand.

Is 7.5 hours the same as 7 hours 50 minutes?

No — this is the single most common mistake with decimal hours. 7.5 decimal hours is 7 hours 30 minutes (0.5 × 60 = 30), not 7 hours 50 minutes. The decimal part represents a fraction of an hour, not a count of minutes directly.

Why does 1/3 of an hour show as .333 instead of an exact decimal?

One third of 60 minutes is 20 minutes exactly, but 20/60 as a decimal is a repeating decimal (0.3333...) that can't be written exactly in a finite number of digits — the reference table shows it rounded to 3 decimal places as a close approximation, not because the minute value itself is inexact.

What if I enter 75 minutes instead of hours and minutes separately?

The minutes field only accepts 0-59, since minutes above 59 should be expressed as additional hours instead (75 minutes is 1 hour 15 minutes) — enter 1 in the hours field and 15 in the minutes field to get the correct decimal result.