Price per use calculator
Cost per use makes durable and disposable options comparable on the same basis.
Cost per use
3.25
- Lifetime net cost
- 130.00
- Lifetime cost vs purchase price
- 108.3 %
Show the working
- Purchase price = 120
- Expected uses = 40
- Maintenance and consumables = 20
- Expected resale value = 10
- Lifetime net cost = max(120+20-10,0) = 130
- Cost per use = 130/40 = 3.25
- Lifetime cost vs purchase price = 120>0?130/120*100:0 = 108.333
Values are shown to six significant figures here; the arithmetic itself runs on exact fractions and is only rounded where a number is printed.
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The formula
- cost per use = (price + upkeep - resale) / uses
Use a conservative use count; an optimistic estimate makes every purchase look cheap.