Body surface area

Cite this article as:
Tessa Davis. Body surface area, Don't Forget the Bubbles, 2013. Available at:
https://doi.org/10.31440/DFTB.1860
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.