EXPLANATION
These tables show how much time you can spend at depth with three sizes of
cylinders. The following assumptions are made.
The diver breathes at a rate of 25L of air per minute. Remember you may breath
more if under stress or swimming against current.
50 Bar is to be used for reserve safety, As per all diver training guidelines.
NO ALLOWANCE IS MADE FOR SAFETY STOPS CHECK YOUR DIVE TABLES
TO CHECK HOW MUCH TIME YOU WILL NEED TO ADD TO YOUR DIVE AND
ADJUST BOTTOM TIMES ACCORDINGLY.
NO ALLOWANCE FOR TRAVELING TO DEPTH OR ACCENDING FROM DEPTH
IS MADE. AIR USED TRAVELING COULD IMPACT ON YOUR RESERVE HEAVELY
ESPECIALLY IF SAFETY STOPS ARE REQUIRED.
These tables are extreme guidelines for experienced divers. Always check your gauges
on a regular basis and prepare to accend if needed. NEVER MISS A SAFETY STOP.
15 Litre Cylinder
BAR / Depth	10M	20M	30M	40M	50M	60M
50	0	0	0	0	0	0
60	6	3	2	1	0	0
70	12	6	3	2	1	0
80	18	9	5	2	1	1
90	24	12	6	3	2	1
100	30	15	8	4	2	1
110	36	18	9	5	2	1
120	42	21	11	5	3	1
130	48	24	12	6	3	2
140	54	27	14	7	3	2
150	60	30	15	8	4	2
160	66	33	17	8	4	2
170	72	36	18	9	5	2
180	78	39	20	10	5	2
190	84	42	21	11	5	3
200	90	45	23	11	6	3
210	96	48	24	12	6	3
220	102	51	26	13	6	3
230	108	54	27	14	7	3
12 Litre Cylinder
BAR / Depth	10M	20M	30M	40M	50M	60M
50	0	0	0	0	0	0
60	5	2	1	1	0	0
70	10	5	2	1	1	0
80	14	7	4	2	1	0
90	19	10	5	2	1	1
100	24	12	6	3	2	1
110	29	14	7	4	2	1
120	34	17	8	4	2	1
130	38	19	10	5	2	1
140	43	22	11	5	3	1
150	48	24	12	6	3	2
160	53	26	13	7	3	2
170	58	29	14	7	4	2
180	62	31	16	8	4	2
190	67	34	17	8	4	2
200	72	36	18	9	5	2
210	77	38	19	10	5	2
220	82	41	20	10	5	3
230	86	43	22	11	5	3
10 Litre Cylinder
BAR / Depth	10M	20M	30M	40M	50M	60M
50	0	0	0	0	0	0
60	4	2	1	1	0	0
70	8	4	2	1	1	0
80	12	6	3	2	1	0
90	16	8	4	2	1	1
100	20	10	5	3	1	1
110	24	12	6	3	2	1
120	28	14	7	4	2	1
130	32	16	8	4	2	1
140	36	18	9	5	2	1
150	40	20	10	5	3	1
160	44	22	11	6	3	1
170	48	24	12	6	3	2
180	52	26	13	7	3	2
190	56	28	14	7	4	2
200	60	30	15	8	4	2
210	64	32	16	8	4	2
220	68	34	17	9	4	2
230	72	36	18	9	5	2