20 minutes to hours
0.33 hr
20 min = 0.33 hr.
hours
0.33hr
20 min = 0.33 hr
The short answer
How many hours is 20 minutes?
20 min = 0.33 hr. 1 minute = 0.016667 hours, so the working is 20 × 0.016667 = 0.33.
The working
The factor below is an exact definition rather than a measurement, so nothing is approximated in the arithmetic. The only rounding on this page happens where a number is displayed.
1 minute = 0.016667 hours 20 × 0.016667 = 0.33
How much precision do you need?
Each row is the same answer cut at a different number of decimals, with what that choice costs you. Pick the shortest row whose error is smaller than whatever you are measuring with.
| Rounded to | Answer (hr) | Off by |
|---|---|---|
| Whole number | 0 | −0.33333 |
| 1 decimal | 0.3 | −0.03333 |
| 2 decimals | 0.33 | −0.00333 |
Round trip: take 0.33 hr back the other way and you land on 19.8000 min — a drift of 0.2000 min. That gap is the rounding, not the conversion.
What 20 min looks like
20 min
UK workers who put in more than six hours a day get one uninterrupted rest break of 20 minutes.
Frequently asked questions
What is 20 minutes in hours?
20 minutes is 0.33 hours. 1 minute = 0.016667 hours, so the working is 20 × 0.016667 = 0.33.
How accurate is 0.33 hr?
Rounding to 0.33 hr and converting straight back gives 19.8000 min, a drift of 0.2000 min from the 20 you started with. The factor itself is exact; every bit of that difference comes from the rounding, not the conversion.
Nearby values
Any value at all
Minutes to Hours Converter
Minutes to hours as a decimal — the format timesheets and payroll expect.
Open the minutes to hours converter →