XinY Units - Convert duration units from Years to Days
For all your unit conversions. Quickly and simply convert from x to y, from this to that.
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Years
The calendar year is comprised of 365 days with the exception of leap years which contain 366. Whilst the average human life span is 72.6 years, planet earth is believed to be a staggering 4.5 billion years old.
Days
A measurement of time comprised of 24hrs. Many things are spoken of in terms of days and 'Days' is even a song by British band, The Kinks, and written by their lead singer Ray Davies.