Heating Time from Frozen to 1°F (0.5°C) Less Than the Water Bath’s Temperature
Thickness	Inches	Slab-like	Cylinder-like	Sphere-like
5 mm	0.2	7 min	7 min	6 min
10 mm	0.4	30 min	17 min	12 min
15 mm	0.6	50 min	30 min	20 min
20 mm	0.8	1¼ hr	40 min	30 min
25 mm	1.0	1¾ hr	55 min	40 min
30 mm	1.2	2¼ hr	1¼ hr	55 min
35 mm	1.4	3 hr	1½ hr	1¼ hr
40 mm	1.6	3½ hr	2 hr	1½ hr
45 mm	1.8	4½ hr	2½ hr	1¾ hr
50 mm	2.0	5¼ hr	2¾ hr	2 hr
55 mm	2.2	6¼ hr	3¼ hr	2½ hr
60 mm	2.4	7¼ hr	4 hr	2¾ hr
65 mm	2.6	8¼ hr	4½ hr	3¼ hr
70 mm	2.8	—	5 hr	3¾ hr
75 mm	3.0	—	5¾ hr	4¼ hr
80 mm	3.1	—	6½ hr	4¾ hr
85 mm	3.3	—	7¼ hr	5¼ hr
90 mm	3.5	—	8 hr	5¾ hr
95 mm	3.7	—	8¾ hr	6¼ hr
100 mm	3.9	—	—	7 hr
105 mm	4.1	—	—	7½ hr
110 mm	4.3	—	—	8¼ hr
115 mm	4.5	—	—	9 hr