How many dog years are equivalent to 73 human years?

Question: How many dog years are equivalent to 73 human years?

Asked by bebo to Donna, Jo, Mark, Stuart, timcraggs on 17 Jun 2010 in Categories: General.
- Donna MacCallum answered on 16 Jun 2010:
  
  Believe it or not there is an online calculator for this (http://www.onlineconversion.com/dogyears.htm).
  The whole 7 years thing is not accurate as dogs age faster in the first few years, then slow down a bit. It can also depend upon the breed of dog and whether you have a pure-bred or a mutt
  
  Answer to your question: 305 years
- Mark Lancaster answered on 16 Jun 2010:
  
  Apparently the simple formula – 1 dog year = 7 human is too simple !!! The received wisdom is that it is
  10.5 dog years per human year for the first 2 years, then 4 dog years per human year for each year after.
  So 73 human years is 15 dog years…
- Joanna Buckley answered on 16 Jun 2010:
  
  15, I think. That’s a random question… and I like it!
- Tim Craggs answered on 17 Jun 2010:
  
  Hi Bebo,
  
  I am afraid I know nothing about dog years, but I found this website which might help, it is a converter for dog and human years. It says:
  
  Note: It is a common belief that 1 human year is equal to 7 dog years. That is not very accurate, since dogs reach adulthood within the first couple of years. The formula used above is from a canine expert and is a bit more accurate. (as accurate as one can judge these things)
  
  The formula is: 10.5 dog years per human year for the first 2 years, then 4 dog years per human year for each year after.
  
  Here is the site:
  
  http://www.onlineconversion.com/dogyears.htm
  
  It comes up with the number 15 dog years for 73 human years

Question: How many dog years are equivalent to 73 human years?

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