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Body wt (kg)
BSA (m2)
0.5
0.063
1.0
0.100
1.5
0.131
2.0
0.159
2.5
0.184
3.0
0.208
3.5
0.231
4.0
0.252
4.5
0.273
5.0
0.292
5.5
0.312
6.0
0.330
6.5
0.348
7.0
0.366
7.5
0.383
8.0
0.400
8.5
0.416
9.0
0.433
9.5
0.449
10.0
0.464
Note: body surface area (BSA) in square meters = K × (body wt in grams2/3) × 10-4
K = constant (10.0 for cats)