Clinical Biochemistry of Domestic Animals (Sixth Edition) - UMK ...

Appendix VII
Conversions of Body Weight to Square
Meters of Body Surface Area for Dogs
and Cats a
Kg M 2 Kg M
2
0.5 0.06
1.0 0.10 26 .0 0.89
2.0 0.16 27.0 0.91
3.0 0.21 28.0 0.93
4.0 0.26 29.0 0.95
5.0 0.30 30.0 0.98
6.0 0.33 31.0 1.00
7.0 0.37 32.0 1.02
8.0 0.40 33.0 1.04
9.0 0.44 34.0 1.06
10.0 0.47 35.0 1.08
11.0 0.50 36.0 1.10
12.0 0.53 37.0 1.12
13.0 0.56 38.0 1.14
14.0 0.59 39.0 1.16
15.0 0.62 40.0 1.18
16.0 0.64 41.0 1.20
17.0 0.67 42.0 1.22
18.0 0.69 43.0 1.24
19.0 0.72 44.0 1.26
20.0 0.74 45 .0 1.28
21.0 0.77 46 .0 1.30
22.0 0.79 47 .0 1.32
23.0 0.82 48 .0 1.33
24.0 0.84 49 .0 1.35
25.0 0.86 50 .0 1.37
a
Calculated from: A k W 0.667 10 4 , where A body surface area in square meters
(M 2 ); k constant 10.1 for dogs; W body weight in grams. For cats, the constant, k,
is 10.0 so the conversion to body surface area closely approximates that for the dog and
may be used interchangeably.
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