## Conversion formula

The conversion factor from years to hours is 8760, which means that 1 year is equal to 8760 hours:

1 yr = 8760 hr

To convert 42 years into hours we have to multiply 42 by the conversion factor in order to get the time amount from years to hours. We can also form a simple proportion to calculate the result:

1 yr → 8760 hr

42 yr → T(hr)

Solve the above proportion to obtain the time T in hours:

T(hr) = 42 yr × 8760 hr

T(hr) = 367920 hr

The final result is:

42 yr → 367920 hr

We conclude that 42 years is equivalent to 367920 hours:

42 years = 367920 hours

## Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 hour is equal to 2.717982170037E-6 × 42 years.

Another way is saying that 42 years is equal to 1 ÷ 2.717982170037E-6 hours.

## Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that forty-two years is approximately three hundred sixty-seven thousand nine hundred twenty hours:

42 yr ≅ 367920 hr

An alternative is also that one hour is approximately zero times forty-two years.

## Conversion table

### years to hours chart

For quick reference purposes, below is the conversion table you can use to convert from years to hours

years (yr) hours (hr)
43 years 376680 hours
44 years 385440 hours
45 years 394200 hours
46 years 402960 hours
47 years 411720 hours
48 years 420480 hours
49 years 429240 hours
50 years 438000 hours
51 years 446760 hours
52 years 455520 hours