Conversion formula

The conversion factor from hours to years is 0.00011407945862452, which means that 1 hour is equal to 0.00011407945862452 years:

1 hr = 0.00011407945862452 yr

To convert 42.4 hours into years we have to multiply 42.4 by the conversion factor in order to get the time amount from hours to years. We can also form a simple proportion to calculate the result:

1 hr → 0.00011407945862452 yr

42.4 hr → T_(yr)

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

T_(yr) = 42.4 hr × 0.00011407945862452 yr

T_(yr) = 0.0048369690456797 yr

The final result is:

42.4 hr → 0.0048369690456797 yr

We conclude that 42.4 hours is equivalent to 0.0048369690456797 years:

42.4 hours = 0.0048369690456797 years

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 year is equal to 206.74103773585 × 42.4 hours.

Another way is saying that 42.4 hours is equal to 1 ÷ 206.74103773585 years.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that forty-two point four hours is approximately zero point zero zero five years:

42.4 hr ≅ 0.005 yr

An alternative is also that one year is approximately two hundred six point seven four one times forty-two point four hours.

Conversion table

hours to years chart

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