Conversion formula

The conversion factor from hours to weeks is 0.005952380952381, which means that 1 hour is equal to 0.005952380952381 weeks:

1 hr = 0.005952380952381 wk

To convert 420 hours into weeks we have to multiply 420 by the conversion factor in order to get the time amount from hours to weeks. We can also form a simple proportion to calculate the result:

1 hr → 0.005952380952381 wk

420 hr → T_(wk)

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

T_(wk) = 420 hr × 0.005952380952381 wk

T_(wk) = 2.5 wk

The final result is:

420 hr → 2.5 wk

We conclude that 420 hours is equivalent to 2.5 weeks:

420 hours = 2.5 weeks

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 week is equal to 0.4 × 420 hours.

Another way is saying that 420 hours is equal to 1 ÷ 0.4 weeks.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that four hundred twenty hours is approximately two point five weeks:

420 hr ≅ 2.5 wk

An alternative is also that one week is approximately zero point four times four hundred twenty hours.

Conversion table

hours to weeks chart

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