Water Usage Calculator

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  • 1 General
  • 2 Bathroom
  • 3 Kitchen
  • 4 Outside
  • 5 Results

1. General

Start by telling us the number of people in your household (don't forget to include kids and babies)

How do you heat your water?

2. Bathroom

Do you and other members of your household leave the tap running when brushing teeth or shaving?

Do you ensure taps are fully turned off to prevent drips?

How many baths does your household take per week?

Do you fill the bath up every time you use it?

What kind of shower is the main shower used in the household?

If you have another shower which is also used a lot, what kind of shower is it?

How many showers does your household take per week in total (i.e. a total for all occupants in the household)?

How many minutes, on average, does one shower last in your household?

When was your toilet manufactured?

Do you use a toilet displacement device (water hippo etc...)

What is a cistern displacement device?

Cistern displacement devices are recommended for older toilets that have a flush volume >9 litres. A cistern displacement device opens up in the cistern (beneath the float) and fills with water. When the toilet is flushed, water is saved in the bag, saving up to 3 litres per flush.

If you have a second toilet, when was it manufactured?

Do you use a toilet displacement device (water hippo etc...)

Approximately how many times per day do you or other members of your household flush the toilet, per person?

How do you and other members of your household wash your hands?

Do you use tap aerators?

What is a Tap Aerator?

A tap aerator is a small attachment that either fits on the end of a tap or can be inserted inside the spout. They control the volume of water that flows through the tap without affecting water pressure as the water is mixed with air. Tap aerators are quick and easy to install.

How many times per day do you or other members of your household wash your hands on average?

3. Kitchen

How often is your washing machine used per week?

What temperature do you generally wash your clothes at?

What is the energy rating of your washing machine?

Do you fully load the washing machine before using it?

How many times does your household use the kettle each day?

Do you and other members of your household fill the kettle up every time you use it?

How often does your household wash up by hand each week?

Do you use a basin for washing up?

How often is your dishwasher used per week?

How old is your dishwasher?

Do you fully load the dishwasher before using it?

If you are using water to prepare and clean food, which of the below options do you use?

Do you use tap aerators?

How many times per day do you or other members of your household prepare food like this?

4. Outside

Do you have a car?

How many times do you wash your car at home each year?

How do you clean your car at home?

Do you have a garden?

How often do you water your garden per month between April and September?

How do you water the garden?

Typically, how intensively do you water the garden? (enter number of watering cans or minutes of hose)

Water Can / Garden Hose Information

To help you with this calculation, if a 6 litre watering can was used, this is equivalent to using the average hose for half a minute.

How much of the water that you use in the garden and/or to wash your car do you take from a water butt?

What is a Water Butt?

A water butt is a large container that can be use used to collect rainwater that falls on rooftops by connecting the water butt to a downpipe.

If you have a pressure washer how many hours per year do you use it?

If you have a sprinkler, how many hours per month do you use it between April and September?

5. Results

Tips and Tricks

Thank you for using the water calculator. Based on the answers you provided, we have compiled a list of tips and tricks that may help you to identify where you could become more water efficient.

Tap use

You're doing great!

Tap drips

You're doing great!

Tap efficiency

You're doing great!

Showering

You're doing great!

Toilets

You're doing great!

Washing machine efficiency

You're doing great!

Washing machine loading

You're doing great!

Kettle use

You're doing great!

Washing up method

You're doing great!

Dishwasher load

You're doing great!

Car wash

You're doing great!

Water butt

You're doing great!

335L per person

Daily water usage (your household average)

335L
335L per person

Daily water usage (your household average)

150L
150L per person

Daily water usage (UK Average for your household size)

  • Total Daily Water Usage

    1049.1L Total daily household water usage

  • Total Daily Energy Usage

    37.4 kWh Daily energy usage for heating water and using water appliances

  • Daily carbon emissions for heating water

    5Kg Daily carbon emissions for heating water and using water appliances

These figures calculate the energy/carbon associated only with heating the water and using the water appliances (i.e. washing machine, dishwasher etc.). They do not include the energy/carbon associated with treating and/or delivering the water to your home or the energy/carbon associated with using other household appliances and lighting in and around your home and garden.

What next?

Your result suggests you may use more water than the average person in Scotland. We know that everybody has different water requirements, but if you’re interested in saving water and energy and reducing your environmental impact, please explore the link below for some tips and tricks on how you can save water.

Tips and tricks for saving water Find out about water meters
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