45 minutes to hours
0.75 hr
45 min = 0.75 hr.
hours
0.75hr
45 min = 0.75 hr
The short answer
How many hours is 45 minutes?
45 min = 0.75 hr. 1 minute = 0.016667 hours, so the working is 45 × 0.016667 = 0.75.
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 45 × 0.016667 = 0.75
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 | 1 | +0.25000 |
| 1 decimal | 0.8 | +0.05000 |
| 2 decimals | 0.75 | exact |
Round trip: take 0.75 hr back the other way and you land on 45.0000 min — a drift of 0.0000 min. That gap is the rounding, not the conversion.
What 45 min looks like
45 min
Each half of a football match lasts 45 minutes under the IFAB Laws of the Game.
40 min
The Academy draws the line between short and feature at 40 minutes: a feature runs longer than that.
Frequently asked questions
What is 45 minutes in hours?
45 minutes is 0.75 hours. 1 minute = 0.016667 hours, so the working is 45 × 0.016667 = 0.75.
How accurate is 0.75 hr?
Rounding to 0.75 hr and converting straight back gives 45.0000 min, a drift of 0.0000 min from the 45 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 →