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20 Months to Years – Full Calculation Guide

20 months is equal to approximately 1.6667 years.

To convert 20 months into years, you divide the number of months by 12 because there are 12 months in a year. So, 20 divided by 12 gives you the result in years.

Conversion Tool


Result in years:

Conversion Formula

The formula to convert months to years is simple: divide the number of months by 12. This works because a year contains 12 months. When you divide months by 12, you get the equivalent duration expressed in years.

For example, to convert 20 months to years:

  • Start with 20 months.
  • Divide 20 by 12: 20 ÷ 12 = 1.6667.
  • The result is about 1.6667 years.

Conversion Example

  • 36 months to years:
    • Take 36 months.
    • Divide 36 by 12: 36 ÷ 12 = 3.
    • So, 36 months equals 3 years.
  • 7 months to years:
    • Start with 7 months.
    • Divide 7 by 12: 7 ÷ 12 ≈ 0.5833.
    • This means 7 months is about 0.5833 years.
  • 50 months to years:
    • 50 months divided by 12: 50 ÷ 12 ≈ 4.1667.
    • Therefore, 50 months is approximately 4.1667 years.
  • 15 months to years:
    • Divide 15 by 12: 15 ÷ 12 = 1.25.
    • So, 15 months equals 1.25 years.
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Conversion Chart

MonthsYears
-5.0-0.4167
0.00.0000
5.00.4167
10.00.8333
15.01.2500
20.01.6667
25.02.0833
30.02.5000
35.02.9167
40.03.3333
45.03.7500

This chart shows how to read the months values alongside their equivalent in years. Just find the months value on the left column and see what it equals in years on the right column. Negative values represent months before zero, useful sometimes in calculations involving dates or durations that go backward.

Related Conversion Questions

  • How many years are 20 months in decimals?
  • What is the equivalent of 20 months in terms of years and months?
  • Can 20 months be expressed as years with fractions?
  • How to convert 20 months into years using a formula?
  • Is 20 months more or less than 2 years?
  • How do I calculate years from 20 months without a calculator?
  • What does 20 months convert to in years and days?

Conversion Definitions

Months: A month is a unit of time used in calendars, representing roughly the period it takes for the Moon to orbit the Earth. There are 12 months in a year, each varying between 28 to 31 days depending on the calendar system used.

Years: A year measures time based on Earth’s orbit around the Sun, roughly 365.25 days. It is divided into 12 months and is the standard unit for measuring longer periods like age, historical dates, and planning intervals.

Conversion FAQs

Why is dividing by 12 used when converting months to years?

Dividing by 12 works because there are exactly 12 months in one year. So, to find how many years represent a given number of months, splitting the total months into groups of 12 calculates the equivalent years. Without dividing, the value remains in months.

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Can months be converted to years exactly for all values?

Most months-to-years conversions result in decimal values because months often do not fit evenly into full years. For example, 20 months is not a whole number of years, so the result is a fraction (1.6667 years). Only multiples of 12 months convert exactly into whole years.

How to convert months to years and months separately?

First, divide the months by 12 to get the years. The integer part of the result is the full years. Then multiply the decimal part by 12 to find the remaining months. For example, 20 months: 20 ÷ 12 = 1 year, remainder 8 months.

Does the conversion change for leap years or different calendar systems?

The basic conversion of months to years stays the same regardless of leap years because it uses calendar months as units. However, exact days may vary if counting days instead. Different calendar systems with varying month lengths may affect calculations based on days but not on pure month-to-year conversion.

Is there a quick mental trick to convert months to years?

Yes, dividing months by 12 is the quick method. For mental math, you can estimate by knowing that 12 months equal 1 year, so for 20 months, it’s 1 year and 8 months, or about 1.67 years when expressed as a decimal.

Elara Bennett

Elara Bennett is the founder of PrepMyCareer.com website.

I am a full-time professional blogger, a digital marketer, and a trainer. I love anything related to the Web, and I try to learn new technologies every day.