Bath vs. Shower and Water Conservation

shower vs bath.jpg

As a child growing up during a 7 year drought in the desert state of Utah, I experienced first hand water conservation at it's most extreme.  7 people sharing one bathroom and you could flush once a day, etc.  Moving on to my late teens when I took off to CA in the early 90's, bringing with me the extreme water conservation mindset I grew up with in Utah and I was blown away by what I saw.  Water running down the gutters, and not for irrigation, but because the sloppy sprinklers were spraying the roads.  Swimming pools everywhere.  Acres and acres of grass surrounding large complexes that were completely unused and being watered during the hottest times of the day.  And there I was taking my 2 minute shower to "conserve water". 

I'm still a water conservationist, but I do not feel the least bit bad when I take a nice long bath.  There is nothing better for the body and mind than soaking in Epson salts for an hour.  Taking good care of oneself is the highest priority any of us can have.  I've done my research and I understand that a bath takes about twice as much water as an average length shower of about 10 minutes if a low flow (aka annoying) shower head is used.  I shower most days myself, just because I'm always in such a hurry to accomplish something but when I want to relax and shut down, a bath is on the top of my list.  An hour long bath saves water over an hour long shower, any day, even with a low flow shower head. 

Using my superb math skills and the Internet's super knowledge, I made a little flow-rate chart for your viewing pleasure.  Please, double check for yourself.  I was being sarcastic claiming to be a math wiz.  Not so.  Not so.  But I think it's fairly representative of water usage in a bath vs. a shower.

Keep calm and bathe on!

TUBSKY™ #abetterwaytobathe

TUBSKY™ has been made to measure for bathtubs ranging from approximately 189 gallons down to 66 gallons. The MAJORITY of bathtubs hold 70 to 80 gallons TO THE TOP EDGE. Some tubs are round, some square, some oval and then everything in between.  These instructions assume you have a standard rectangular shaped bathtub.


Measure your tub; take all the measurements in inches. Measure the inside width and the inside length. Measure the depth of the water you want to achieve: Above the mythological “overflow hole” or below it?

LENGHT___________  WIDTH________________ DEPTH____________________


The sample tub is 23" wide, 54" long and 15" deep (I’m filling it to the top). You are going to need a calculator for this one:

  • Multiply the width by the length. (23 x 54 = 1242)

  • Multiply the result by the depth. (1242 x 15 = 18630)

  • Divide the result by 1,728 (this in the number of inches in a cubic foot) for the number of cubic feet of water the tub will hold. (18630/1728 = 10.78)

  • Multiply that result by 7.5 for the number of gallons of water held in the tub. (10.78 x 7.5 = 80.85)

So the sample tub holds about 81 gallons of water.


This tub holds about 81 gallons of water. A gallon of water weighs just over 8 pounds.

81 gal x 8 lbs per gallon= 648 pounds of water in this bathtub.

Now a girl could float in that.