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| Weight to Body Surface Area Conversion a
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|
Dogs
|
Cats
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|
______________________________________________________________________
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______________________________
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|
Body wt (kg)
|
BSA (m2)
|
Body wt (kg)
|
BSA (m2)
|
Body wt (kg)
|
BSA (m2)
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|
0.5
|
0.064
|
26
|
0.886
|
0.5
|
0.063
|
|
1.0
|
0.101
|
27
|
0.909
|
1.0
|
0.100
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|
1.5
|
0.132
|
28
|
0.931
|
1.5
|
0.131
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|
2.0
|
0.160
|
29
|
0.953
|
2.0
|
0.159
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|
2.5
|
0.186
|
30
|
0.975
|
2.5
|
0.184
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|
3.0
|
0.210
|
31
|
0.997
|
3.0
|
0.208
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|
3.5
|
0.233
|
32
|
1.018
|
3.5
|
0.231
|
|
4.0
|
0.255
|
33
|
1.039
|
4.0
|
0.252
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|
4.5
|
0.275
|
34
|
1.060
|
4.5
|
0.273
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|
5
|
0.295
|
35
|
1.081
|
5.0
|
0.292
|
|
6
|
0.333
|
36
|
1.101
|
5.5
|
0.312
|
|
7
|
0.370
|
37
|
1.121
|
6.0
|
0.330
|
|
8
|
0.404
|
38
|
1.142
|
6.5
|
0.348
|
|
9
|
0.437
|
39
|
1.162
|
7.0
|
0.366
|
|
10
|
0.469
|
40
|
1.181
|
7.5
|
0.383
|
|
11
|
0.500
|
41
|
1.201
|
8.0
|
0.400
|
|
12
|
0.529
|
42
|
1.220
|
8.5
|
0.416
|
|
13
|
0.558
|
43
|
1.240
|
9.0
|
0.433
|
|
14
|
0.587
|
44
|
1.259
|
9.5
|
0.449
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|
15
|
0.614
|
45
|
1.278
|
10.0
|
0.464
|
|
16
|
0.641
|
46
|
1.297
|
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|
17
|
0.668
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47
|
1.315
|
|
|
|
18
|
0.694
|
48
|
1.334
|
|
|
|
19
|
0.719
|
49
|
1.352
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|
|
20
|
0.744
|
50
|
1.371
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|
|
|
21
|
0.769
|
51
|
1.389
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|
|
|
22
|
0.793
|
52
|
1.407
|
|
|
|
23
|
0.817
|
53
|
1.425
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|
|
|
24
|
0.840
|
54
|
1.443
|
|
|
|
25
|
0.864
|
55
|
1.461
|
|
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a Body surface area (BSA) in square meters = K x (body wt in grams2/3) x 10-4
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K = constant (10.1 for dogs and 10.0 for cats)
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Last full review/revision March 2012
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