Divide the number of half-litres by 2.
There are 4.545 litres in a gallon - therefore half a gallon is 2.2725 litres.
4.000which is 8 of half litre0.5 x 8 = 4
that would be .075 in decimal form
That is 0.075 litre
The answer will depend on the measures of the beer: half-pints, pints, half-litres, litres etc.
1.2 Litres.
It is approx 1.7 litres.
It is 500 litres.
No-where near ! Half a gallon is 2.25 litres !
Half a US gallon is 1.893 litres.
It is 0.5 litres.