Body surface area

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Body Weight (kg)Surface area (m2)
401.3
391.3
381.2
371.2
361.2
351.2
341.1
331.1
321.1
311.1
301.1
291.0
281.0
270.97
260.95
250.92
240.90
230.87
220.85
210.82
200.79
190.77
180.74
170.71
160.68
150.65
140.62
130.59
120.56
110.53
100.49
9.50.47
90.46
8.50.44
80.42
7.50.40
70.38
6.50.36
60.34
5.50.32
50.30
4.50.28
40.26
3.50.24
30.21
2.50.19
20.16
1.50.13
10.10

This table was calculated using the Boyd equation

Body Weight (kg)Surface area (m2)
401.3
391.3
381.2
371.2
361.2
351.2
341.1
331.1
321.1
311.1
301.1
291.0
281.0
270.97
260.95
250.92
240.90
230.87
220.85
210.82
200.79
190.77
180.74
170.71
160.68
150.65
140.62
130.59
120.56
110.53
100.49
9.50.47
90.46
8.50.44
80.42
7.50.40
70.38
6.50.36
60.34
5.50.32
50.30
4.50.28
40.26
3.50.24
30.21
2.50.19
20.16
1.50.13
10.10

This table was calculated using the Boyd equation

If the height is known

Use Royal Children’s Hospital, Melbourne’s BSA calculator.

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