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It can take a rough average of between 6 and 18 liters (litres) of water to flush a household toilet. This is dependant on many factors though.
Usually, most toilets average around 6 litres, but they vary. The numbers of gallons and litres are usually behind the cover to the toilet.

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Q: How many liters of water are used to flush a toilet?
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How many liters is used to flush a school toilet in Singapore?

approximately 1-2 litres of water is needed to flush a toilet.

How many liters of water to flush toilet?

Between 6 and 9 litres depending on the age of your toilet.

How many liters per toilet flush?

It depends how big your cistern is. Modern dual-flush toilets have a minimum flush of 6 liters. There are 1000 milliliters in one liter, so the flush would contain 6000 ml.

Amount of water used to flush toilet?

You use anywhere from 1 cup of water to 5 cups of water to flush the toilet. This is per time you flush the toilet.

Every time you flush the toilet how many liters are used?

It depends on what type of flush you use. Old style single flush toilets use around 11 litres of water per flush, older dual flush toilets use 4.5 or 9 litres per flush, while modern water efficient dual flush toilets use 3 or 6 litres per flush.

How many gallons of water does each person use each day to flush the toilet?

About 1.6 gallons per flush

How much water to flush toilet?

It takes 5-7 gallons of water per flush.

What happens if you don't flush a toilet?

Well, it depends how many times you don't flush a toilet. If you don't flush it one time, nothing happens. But if you don't flush it for a month or something, and then you finally flush it, it may get clogged with toilet paper.

How many liters do you use every time you flush the toilet?

Depends on the toilet. It usually tells you on the pack.

How many cubic meters of water in each toilet flush?

The answer ultimately depends on the type of toilet.

How many gallons of water are used when flushings atoilet?

It takes approx 2 to 5 gallons of water. Depending on the age of the toilet and the type of flush you have.

How many liters of water does flish down the toliet?

It depends on what type of toilet you have. If you have an older toilet than, it may hold more than a newer toilet holds.