5 gallons
If the toilet works each time on one flush, they use roughly half the water of a standard toilet. You would then use half as much a month on the toilet. They do not always flush completely on the first flush and the toilet is only a part of the water bill.
3 liters
In a modern toilet you use 13 litres per flush.
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.
It takes 1 bucket of water when we flush.
I believe it's 3 gallons
1.6 GPF.
100 Galen
There is about four to five gallons wasted if you flush a toilet but I don't believe that it makes a difference if the handle is loose or not. Unless, the toilet is leaking from the handle or somewhere else.
5 gallons
5 billion gallons per year
The amount of water used to flush a toilet can vary significantly depending on the type of toilet. Older models typically use around 3.5 to 7 gallons per flush, while modern, high-efficiency toilets use about 1.28 to 1.6 gallons per flush. Dual-flush toilets offer options for a lighter flush, using as little as 0.8 gallons for liquid waste. Overall, advancements in toilet design have greatly reduced water consumption in recent years.