The Economics of Buying a Coffee Every Day

Is buying a coffee every day as bad as all the finance books say?

   Days in 2016: 365
   Weekend Days: 104
Public Holidays:  13
--------------------
   Working Days: 248

Cost of a regular coffee $3.80 (AUD)

TOTAL
248 x $3.80 (AUD) = $942.40 (AUD)

OR

Assuming an $80,000 (AUD) a year salary, 1.67 % of your net income.

That’s a lot of money. But there’s another aspect of this to consider.

   Calories in reglar coffee: 168
Calories per pound of weight: 3500
         Pounds per Kilogram: 2.20462

248 x 168 = 41664 Calories

OR 

41664 / 3500 / 2.20462 = 5.34kg of weight gain.

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