Conversion formula just how to transform 18 month to years?

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

We can collection up a ratio to settle for the number of years.

You are watching: 18 months is how many years


Now, us cross multiply to deal with for our unknown x:




Conversion in the opposite direction

The train station of the conversion factor is that 1 year is equal to 0.666666666666667 times 18 months.

It can additionally be express as: 18 month is same to 1 0.666666666666667 years.


An almost right numerical an outcome would be: eighteen months is around zero years, or alternatively, a year is about zero suggest six seven times eighteen months.

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Units involved

This is exactly how the systems in this conversion room defined:


"A month is a unit of time, offered with calendars, i m sorry is approximately as lengthy as a natural period related to the activity of the Moon; month and Moon room cognates. The timeless concept emerged with the bike of moon phases; such months (lunations) are synodic months and last approximately 29.53 days. From excavated tally sticks, researchers have deduced that human being counted work in relationship to the Moons phases as beforehand as the Paleolithic age. Synodic months, based on the Moon s orbital period with respect to the Earth-Sun line, are still the communication of plenty of calendars today, and are used to division the year."

Wikipedia web page of months


"A year is the orbital in which planet moves in the orbit approximately the Sun. As result of the Earth's axial tilt, the food of a year watch the pass of the seasons, marked by changes in weather, the hours of daylight, and, consequently, vegetation and soil fertility. In temperate and subpolar regions about the globe, 4 seasons are generally recognized: spring, summer, autumn and winter. In tropical and also subtropical regions several geography sectors carry out not present identified seasons; but in the seasonal tropics, the annual wet and also dry periods are recognized and also tracked."

Wikipedia page of years


<1> The precision is 15 far-reaching digits (fourteen number to the right of the decimal point).