Stop Buying Expensive Coffee and Save Calculator

A new calculator suggested by Erika Lim from Caffeine Central (Seattle, WA). I, too, have been amazed by folks who bring in coffee from a Starbucks or convenience store every single day instead of just contributing to the local "coffee pot fund". I know office coffee may not stack up to the store bought versions, but is it really worth the long term costs? Many folks drink the equivalent of a wide screen TV every year!

My default investment return is now a reasonable 6%.

Have fun!

Store bought Coffee Price per Cup: $ (Add tax, and regular daily snacks too!)
Self-Brewed or "Office" Coffee Price per Cup: $ (Office coffee is tax-free too!)
Cups Per Day:
Coffee Days per year Typical work year is 250 days
Years to Calculate
Investment Yield: %

Yield must be between 0 and 50 % with default of 6.0%

Store bought coffee costs you $ 750.00 every year, wow!

YearStarting
Balance		EarningsSavings Ending
Balance
1 0.00 0.00 687.50 687.50
2 687.50 41.25 687.50 1,416.25
3 1,416.25 84.97 687.50 2,188.72
4 2,188.72 131.32 687.50 3,007.55
5 3,007.55 180.45 687.50 3,875.50
6 3,875.50 232.53 687.50 4,795.53
7 4,795.53 287.73 687.50 5,770.76
8 5,770.76 346.25 687.50 6,804.51
9 6,804.51 408.27 687.50 7,900.28
10 7,900.28 474.02 687.50 9,061.80
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