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Year to Decade Converter

How to Convert Years to Decades

To convert from years (yr) to decades (dec), you divide the number of years by 10. This is because 1 decade is equal to 10 years.

Formula

Decades = Years ÷ 10

or

dec = yr ÷ 10

Step-by-step process

  1. Take the measurement in years
  2. Divide that number by 10
  3. The result is the equivalent time in decades

Examples

  • 10 yr = 10 ÷ 10 = 1 dec
  • 20 yr = 20 ÷ 10 = 2 dec

Frequently Asked Questions

How many decades are in a year?

There are 1/10 decades in one year.

What is a decade?

A decade is a period of 10 years. It is a common unit of time used in historical contexts and for long-term planning.