Alcohol by vol. in your drink

Item to drink	Volume cl	ABV %	Vol. of alc in cl	% More or less alc. ± than bitter
1 pt. of session bitter	56.83	3.60 %	2.05	The standard to which the others compare
1 pint of mild ale	56.83	3.30 %	1.88	- 8.30%
1 pint beer/lager	56.83	4.00 %	2.27	+10.73 %
1 pint beer/lager	56.83	4.50 %	2.56	+24.90 %
1 pint beer/lager	56.83	5.00 %	2.84	+38.53 %
1 pint beer/lager	56.83	5.50%	3.12	+52.20 %
1 bot of beer/lager	25 cl	5.00 %	1.25	- 39.02%
1 glass of pression beer	25cl	4.00 %	1.00	-51.22%
1 glass of pression beer	30 cl	4.00 %	1.20	-41.46%
1 glass of pression beer	50cl	4.50 %	2.25	+9.75%
1 glass of pression beer (pt)	56.83 cl	5.00 %	2.84	+38.53%
1 tin of Boddington's bitter	44.00 cl	3.40 %	1.50	-27.082%
1 glass of wine	12.5cl	11.5 %	1.43	-30.34%
1 glass of wine	12.5cl	14.00 %	1.75	-14.63%
1 glass of wine	15.00cl	14.00 %	2. 10	+2.43%
1 bot wine	75cl	14.00 %	10.50	5.13 pints of session bitter