Hydrometer Correction Table

Lookup the temperature of the wort you are measuring, then add the correction factor to your reading. For example, you measure 1.056 at 88F - add 4 pts, so your actual specific gravity is 1.060.

Temp	Correction Factor	Temp	Correction Factor
32	-1.6	97	5.5
46	-1	100	6
60	0	102	6.5
64	0.5	105	7
68	1	107	7.5
72	1.5	109	8
75	2	112	8.5
79	2.5	114	9
83	3	116	9.5
86	3.5	118	10
89	4	122	11
92	4.5	126	12
95	5	130	13