The length of time it takes for a shower to use 1 gallon of water is between 1 minute to 30 seconds depending on the flow rate of the shower head.
If your shower head is 2 gallons per minute then your shower would use 1 gallon of water in 30 seconds and 2 gallons of water in 60 seconds.
If your shower head is 1 gallon per minute then it would take 60 seconds for the shower to use 1 gallon of water.
The amount of water that a 15 minute shower uses is between 15 gallons to 30 gallons of water depending on the flow rate of your shower head.
Low flow shower heads would use between 12 to 15 gallons of water for a 15 minute shower and high flow shower heads would use around 30 gallons to 32 gallons of water for a 15 minute shower.
The amount of water you can save by taking shorter showers by 5 minutes is around 5 to 10 gallons of water depending on the flow of your shower head.
If you have a low flow shower head then taking a shorter shower by 5 minutes would save you around 5 gallons of water and if you have a higher flow shower head then the shorter shower by 5 minutes could save you 8 to 10 gallons of water.
A 10 minute shower with a low flow shower head is around 5 to 8 gallons of water and with a high flow shower head the 10 minute shower is between 17 gallons to 20 gallons of water.
An average shower uses between 17 gallons to 20 gallons of water depending on the flow of your shower head and the length of your shower.
I've read my water meter before a shower and after as hower and my shower uses 20 gallons in a 10 minute shower but my shower head is a 2 gallon per minute shower head.
If you have a 1 gallon per minute shower head or low flow shower head then you may only use 10 gallons of water in the 10 minute shower or 20 gallons in a 20 minute shower.
Showers mostly use less gallons of water than a bath if you take shower showers and use a low flow shower heads.
I love the pressure of my higher flow shower head even when I use more water.
We have plenty of water here so there's need to worry about conserving water.
An average bathtub or bath uses around 30 gallons of water.
Showers are also cleaner than baths as with a bath you sit in the filth and showers rinse all the germs away.
The average American shower uses 17.2 gallons (65.1 liters) of water and lasts for 8.2 minutes at average flow rate of 2.1 gallons per minute (gpm) (7.9 lpm).