Freediving
Depth |
Surface
Interval |
Equivalent
Depth* |
No-Stop
Limit** |
66
feet |
1
minute |
45
feet |
80
minutes |
66
feet |
2
minutes |
33
feet |
205
minutes |
66
feet |
4
minutes |
23
feet |
205
minutes |
100
feet |
1
minute |
68
feet |
40
minutes |
100
feet |
2
minutes |
50
feet |
80
minutes |
100
feet |
4
minutes |
34
feet |
205
minutes |
100
feet |
5
minutes |
30
feet |
205
minutes |
120
feet |
1
minute |
82
feet |
25
minutes |
120
feet |
2
minutes |
60
feet |
55
minutes |
120
feet |
4
minutes |
41
feet |
80
minutes |
120
feet |
5
minutes |
31
feet |
205
minutes |
120
feet |
10
minutes |
21
feet |
205
minutes |
|