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keisanHigh-precision calculations for everyday life and work

Bath vs. Shower: Which Is More Cost-Effective?

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This calculates which is more cost-effective: a bath or a shower.
Water Temperature
°⇒
°
Number of family members
Person
Bathtub Size
Liters
Unit price of water
Yen/literWater (Sewer) Bills
Gas unit price
yen/kcal
Boiler Efficiency
Duration of a single shower
Minutes
Shower Water Pressure
Liters per minute
Bath Yen/day
Shower Yen/day
Which is more cost-effective? 
Showers are more cost-effective when there are fewer people, but baths become more cost-effective as the number of people increases.
For showers, using a water-saving model can help reduce water and gas consumption.
For baths, if family members do not bathe one after another, the water temperature may drop, requiring you to reheat it. Additionally, using leftover bathwater for cleaning or laundry can save on water bills.

*This site assumes no responsibility whatsoever for the calculation results or other information provided. We do not offer individual consultations.

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