Tap Water Calculator
Sustainability & EnvironmentCompare the cost of tap water versus bottled water for your household.
Annual savings using tap water
Money saved per year by drinking tap water instead of bottled water
Annual tap water cost
$2.92
Total yearly cost of tap water for the household
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Sustainability & Environment calculators
Calculator Stats
Creators
Odeh Ahwal0people find this calculator helpful
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Helpful
Saved
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Sustainability & Environment calculators
Frequently Asked Questions
How much cheaper is tap water than bottled water?
Tap water typically costs a small fraction of a cent per liter, while bottled water can cost dollars per liter, making tap water dramatically cheaper over time.
How much can a household of 4 save by drinking tap water?
At 2 liters a day per person with a $1 half-liter bottle price, a household of 4 could save over $5,800 a year compared to buying bottled water.
Does this account for water filters?
No, this calculator compares raw tap and bottled water costs only. A home filter adds a modest cost but is still typically far cheaper than bottled water over time.
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