average litres per bath
âMost people can enjoy a nice hot shower and get clean in 5 minutes. Any more time than that and itâs. time and money going down the drain.â. According to the study, the average eight-minute shower used 62 litres of hot water, and some power showers can use up to 136 litres, compared with an average bath's 80 litres.These findings have been widely reported-in the Daily Mail, The Independent and the BBC, among others.ime and money going down the drain.â. According to the study, the average eight-minute shower used 62 litres of hot water, and some power showers can use up to 136 litres, compared with an average bath's 80 litres. These findings have been widely reported-in the Daily Mail, The Independent and the BBC, among others.