THEORETICAL DEPTH AT ALTITUDE - METRIC (OLD VERSION)
Actual
Depth Theoretical Depth at Various Altitudes (in meters)
                     
300 600 900 1200 1500 1800 2100 2400 2700 3000
0 0 0 0 0 0 0 0 0 0 0
2 2 2 2 2 2 2 3 3 3 3
4 4 4 4 5 5 5 5 5 6 6
6 6 6 7 7 7 7 8 8 8 9
8 8 9 9 9 10 10 10 11 11 12
10 10 11 11 12 12 12 13 13 14 14
12 12 13 13 14 14 15 15 16 17 17
14 15 15 16 16 17 17 18 19 19 20
16 17 17 18 18 19 20 21 21 22 23
18 19 19 20 21 22 22 23 24 25 26
20 21 21 22 23 24 25 26 27 28 29
22 23 24 25 25 26 27 28 29 31 32
24 25 26 27 28 29 30 31 32 33 35
26 27 28 29 30 31 32 34 35 36 38
28 29 30 31 32 34 35 36 38 39 40
30 31 32 33 35 36 37 39 40 42 43
32 33 34 36 37 38 40 41 43 45 46
34 35 37 38 39 41 42 44 46 47 49
36 37 39 40 42 43 45 46 48 50 52
38 39 41 42 44 46 47 49 51 53 55
40 41 43 45 46 48 50 52 54 56 58
Stop
Depth Safety/Emergency Decompression Stop Depth
                     
300 600 900 1200 1500 1800 2100 2400 2700 3000
4.8 4.6 4.5 4.3 4.2 4.0 3.9 3.7 3.6 3.4 3.3