72 months is equivalent to 6 years.

We know (by definition) that: 1 mo ≈ 0.083333333 yr

We can set up a proportion to solve for the number of years.

1   mo 72   mo ≈ 0.083333333   yr x   yr

Now, we cross multiply to solve for our unknown x:

x   yr ≈ 72   mo 1   mo * 0.083333333   yr → x   yr ≈ 5.999999976   yr

Conclusion: 72   mo ≈ 5.999999976   yr

The inverse of the conversion factor is that 1 year is equal to 0.166666666666667 times 72 months.

It can also be expressed as: 72 months is equal to 1 0.166666666666667 years.

Approximation

An approximate numerical result would be: seventy-two months is about zero years, or alternatively, a year is about zero point one seven times seventy-two months.

Units involved

This is how the units in this conversion are defined:

Months

"A month is a unit of time, used with calendars, which is approximately as long as a natural period related to the motion of the Moon; month and Moon are cognates. The traditional concept arose with the cycle of moon phases; such months (lunations) are synodic months and last approximately 29.53 days. From excavated tally sticks, researchers have deduced that people counted days in relation to the Moons phases as early as the Paleolithic age. Synodic months, based on the Moon s orbital period with respect to the Earth-Sun line, are still the basis of many calendars today, and are used to divide the year."

Years

"A year is the orbital in which Earth moves in its orbit around the Sun. Due to the Earth's axial tilt, the course of a year sees the passing of the seasons, marked by changes in weather, the hours of daylight, and, consequently, vegetation and soil fertility. In temperate and subpolar regions around the globe, four seasons are generally recognized: spring, summer, autumn and winter. In tropical and subtropical regions several geographical sectors do not present defined seasons; but in the seasonal tropics, the annual wet and dry seasons are recognized and tracked."

[1] The precision is 15 significant digits (fourteen digits to the right of the decimal point).

Results may contain small errors due to the use of floating point arithmetic.

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