Cooling Time to 41°F (5°C) in Ice Water
Thickness	Inches	Slab-like	Cylinder-like	Sphere-like
5 mm	0.2	5 min	3 min	3 min
10 mm	0.4	14 min	8 min	6 min
15 mm	0.6	25 min	14 min	10 min
20 mm	0.8	35 min	20 min	15 min
25 mm	1.0	50 min	30 min	20 min
30 mm	1.2	1¼ hr	40 min	30 min
35 mm	1.4	1½ hr	50 min	35 min
40 mm	1.6	1¾ hr	1 hr	45 min
45 mm	1.8	2¼ hr	1¼ hr	55 min
50 mm	2.0	2¾ hr	1½ hr	1 hr
55 mm	2.2	3¼ hr	1¾ hr	1¼ hr
60 mm	2.4	3¾ hr	2 hr	1½ hr
65 mm	2.6	4¼ hr	2¼ hr	1¾ hr
70 mm	2.8	4¾ hr	2¾ hr	2 hr
75 mm	3.0	5½ hr	3 hr	2¼ hr
80 mm	3.1	—	3½ hr	2½ hr
85 mm	3.3	—	3¾ hr	2¾ hr
90 mm	3.5	—	4¼ hr	3 hr
95 mm	3.7	—	4¾ hr	3½ hr
100 mm	3.9	—	5 hr	3¾ hr
105 mm	4.1	—	5½ hr	4 hr
110 mm	4.3	—	6 hr	4½ hr
115 mm	4.5	—	—	4¾ hr