SCUBA Tank Size And Specifications Chart

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The chart below contains SCUBA cylinder specifications in both the imperial and metric systems of measurement. This chart is a compilation from many sources. It is intended to be a starting point for comparing different SCUBA tanks, their capacities, dimensions, weight, and buoyancy characteristics. You can go directly to the sources used in compiling this list by clicking on the “additional resources” tab at the bottom of this page.

SCUBA Tank Size Chart

Imperial
Metric

Manufacturer	Model	Material	Capacity	Fill Pressure	Length (inches)	Diameter (inches)	Weight (Lbs)	Buoyancy Full (lbs)	Buoyancy Empty (lbs)
Catalina	S4	Aluminum	4	3000	7.8	3.21	1.9	-1.6	-1.4
Catalina	S6	Aluminum	6	3000	10.8	3.21	2.6	-1.2	-1.2
Catalina	S13	Aluminum	13	3000	12.8	4.38	5.7	-1.8	-0.9
Catalina	S19	Aluminum	19	3000	17.7	4.38	7.8	-1.5	-0.2
Catalina	S20	Aluminum	20	3000	13.8	5.25	9.2	-1.4	0
Catalina	S30	Aluminum	30	3000	19.9	5.25	13.6	-2.4	-0.2
Catalina	S40	Aluminum	40	3000	25.4	5.25	16.2	-1.5	1.4
Catalina	S45	Aluminum	45	3000	17.7	6.89	20.3	-2.8	0.5
Catalina	S50	Aluminum	50	3000	19.4	6.89	21.8	-2.4	1.2
Catalina	S53	Aluminum	53	3000	19.2	7.25	25.1	-3.8	0.1
Catalina	C60	Aluminum	60	3300	19.9	7.25	27.3	-5.6	-1.2
Catalina	S63	Aluminum	63	3000	21.7	7.25	26.9	-2.8	1.8
Catalina	S80	Aluminum	77.4	3000	25.9	7.25	31.3	-1.6	4.1
Catalina	C80	Aluminum	77.4	3300	25.5	7.25	34.7	-5.8	0
Catalina	C100	Aluminum	100	3300	26.5	8	42	-5.2	2.2
Faber	FX15DV	Steel	15	3440	14.17	3.94	6.6	-2.42	-1.21
Faber	FX23DV	Steel	23	3442	19.5	3.94	8.6	-2.64	-0.66
Faber	L27DV	Steel	27	2640	14.43	5.46	11.7	-2.95	-1.07
Faber	FX40BKDV	Steel	40	3442	17.7	7.24	14.8	-4.51	-1.48
Faber	L50SDVB	Steel	50	2640	25.2	5.51	18.9	-2.43	1.24
Faber	M71SDVB	Steel	71	3300	20.47	6.84	28.7	-4.35	0.9
Faber	FX80SDVB	Steel	80	3442	20.87	7.24	28.6	-8.05	-1.74
Faber	HP80	Steel	81.7	3442	20.8	7.25	28.3	-8.05	-1.74
Faber	L85SDVB	Steel	85	2640	25.98	7.01	31.2	-3.8	2.32
Faber	L95SDVB	Steel	95	2640	23.82	8.02	37.2	-5.37	1.69
Faber	M100SDVB	Steel	100	3498	24.21	7.24	38.7	-14.11	-6.69
Faber	FX100SDVB	Steel	100	3442	25.39	7.24	34.3	-8.41	-0.59
Faber	HP100	Steel	101.3	3442	25.3	7.25	24	-8.41	-0.59
Faber	L108SDVB	Steel	108	2640	26.77	8.02	41	-5.02	2.98
Faber	FX117SDVB	Steel	117	3442	24.21	8.02	38.9	-9.12	-0.16
Faber	HP117	Steel	117.8	3442	34.2	8	37.6	-9.12	0.35
Faber	L120SDVB	Steel	120	2640	29.33	8.02	44.9	-4.87	4.07
Faber	FX120SDVB	Steel	120	3442	29.33	7.24	39.2	-8.82	0.65
Faber	HP120	Steel	120.1	3442	29.1	7.25	39.2	-882	0.65
Faber	HP133	Steel	133	3442	26.85	8	42.4	-9.08	1.45
Faber	FX133SDVB	Steel	133	3442	26.78	8.02	42.7	-9.08	1.45
Faber	FX149SDVB	Steel	149	3442	29.53	8.02	46.9	-9.41	2.35
Luxfer	S006	Aluminum	6.1	3000	11.1	3.2	2.6	-1.4	-0.9
Luxfer	S13S	Aluminum	13.2	3000	13.1	4.4	6	-1.8	-0.8
Luxfer	S019	Aluminum	19.9	3000	18.6	4.4	8	-1.3	0.2
Luxfer	S030	Aluminum	30	3000	19.3	5.3	12	-1.3	0.9
Luxfer	S040	Aluminum	40	3000	24.8	6.9	14.9	-0.7	2.4
Luxfer	S050	Aluminum	48.4	3000	19	7.3	21.3	-2.5	1.1
Luxfer	S063	Aluminum	63	3000	21.9	7.3	26.9	-2.4	2.4
Luxfer	S072	Aluminum	69.6	3000	26	6.9	28.5	-1.4	3.8
Luxfer	S080	Aluminum	77.4	3000	26.1	7.3	31.5	-1.7	4.2
Luxfer	S80N	Aluminum	77.4	3300	25.8	7.3	35.4	-3	0.1
Luxfer	S100	Aluminum	98.8	3300	26.2	8	41.1	-4.6	2.8
Luxfer	S106W	Aluminum Hoop Wrap	106	4350	26.1	7.4	33.8	-4.8	3.1
MetalImpact	AL06	Aluminum	5.8	3000	10.9	3.2	2.7	-1.6	-1.12
MetalImpact	AL13	Aluminum	12.8	3000	12.7	4.4	6	-1.1	-0.14
MetalImpact	AL19	Aluminum	18.3	3000	17.25	4.4	7.9	-1.7	-0.38
MetalImpact	AL30	Aluminum	29.1	3000	19.5	5.25	12.3	-1.6	0.68
MetalImpact	AL40	Aluminum	38.8	3000	24.9	5.25	15.3	-1	1.88
MetalImpact	AL50	Aluminum	49.5	3000	19.4	6.9	21.5	-2.3	1.54
MetalImpact	AL63	Aluminum	61	3000	21.9	7.25	27.2	-2.3	2.38
MetalImpact	AL72	Aluminum	70	3000	26	6.9	27.8	-0.9	4.38
MetalImpact	ALN80	Aluminum	76.2	3000	25.4	7.25	33.4	-4.1	1.78
MetalImpact	AL80	Aluminum	77.5	3000	26.1	7.25	31.9	-1.5	4.26
MetalImpact	AL100	Aluminum	98.2	3000	26.25	8	42	-5.3	2.26
OMS / Faber	C8	Steel	7.87	2640	11.25	3.58	5	-2.23	-1.61
OMS / Faber	C13	Steel	13	2640	14	3.9	5.9	-3.31	-2.25
OMS / Faber	C20	Steel	20	2640	19.5	3.9	7.5	-3	-1.5
OMS / Faber	C45	Steel	46	2640	23	5.5	17.6	-4	0
OMS / Faber	C50	Steel	50	2640	25.2	5.5	19.92	-4.8	-1.5
OMS / Faber	C66	Steel	66	2640	21	7	25	-5.15	1.67
OMS / Faber	C85	Steel	85	2640	26	7	31	-6.7	0
OMS / Faber	C98	Steel	98	2640	24	8	38	-7.73	0
OMS / Faber	C108	Steel	112	2640	26	8	41	-8	-1
OMS / Faber	C121	Steel	125	2640	29	8	45	-9.5	0
OMS / Faber	C135	Steel	131	2640	30.7	8	47	-10.3	0.75
Pressed Steel	LP-45	Steel	45	2640	23	5.5	19.6	-3.7	-0.5
Pressed Steel	E7-65	Steel	65	3442	16.75	7.2	23.2	-6.4	-1.5
Pressed Steel	MP-72	Steel	71.2	3300	20.75	6.9	30	-11.4	-6
Pressed Steel	E7-80	Steel	80	3442	19.75	7.2	26	-9.3	-3.3
Pressed Steel	LP-80	Steel	80.6	2640	24	7.2	34.4	-7	-1
Pressed Steel	E7-100	Steel	100	3442	24	7.2	32	-8.8	-1.3
Pressed Steel	E8-119	Steel	119	3442	24	8	39.3	-12.2	-3.3
Pressed Steel	E7-120	Steel	120	3442	28	7.2	36.6	-10.3	-1.3
Pressed Steel	E8-130	Steel	130	3442	25.56	8	42.2	-14.6	-4.8
Pressed Steel	E8-149	Steel	149	3442	29.37	8	47.5	-12.8	-1.7
Worthington	LP27	Steel	27	2640	14.5	5.5	11.9	-3	-1
Worthington	X7-65	Steel	66.4	3442	16.7	7.25	25.1	-8.7	-3.9
Worthington	LP77	Steel	77	2640	23.2	7.25	32.5	-6.8	-1
Worthington	X7-80	Steel	81	3442	19.8	7.25	29.9	-9	-3
Worthington	LP85	Steel	82.9	2640	24.7	7.25	36.8	-7.1	-0.7
Worthington	LP95	Steel	93.3	2640	23.7	8	36.8	-7.1	-0.7
Worthington	X7-100	Steel	99.5	3442	22.7	7.25	33.1	-10	-2.5
Worthington	LP108	Steel	108.6	2640	26.5	8	45.95	-10.7	-2.6
Worthington	LP121	Steel	120	2640	29.2	8	49.9	-11.1	-2
Worthington	X7-120	Steel	120.6	3442	27.7	7.25	39.7	-11	-2
Worthington	X8-119	Steel	123	3442	23.9	8	42.5	-10.9	-2
Worthington	X8-130	Steel	131.4	3442	25.3	8	44.7	-11.7	-2

Manufacturer	Model	Material	Capacity (ltr)	Fill Pressure	Length (Cm)	Diameter (Cm)	Weight (Kg)	Buoyancy Full (Kg)	Buoyancy Empty (Kg)
Catalina	S4	Aluminum	0.6	207	198.1	81.5	0.9	-0.73	-0.64
Catalina	S6	Aluminum	0.9	207	274.3	81.5	1.2	-0.54	-0.54
Catalina	S13	Aluminum	1.9	207	325.1	111.3	2.6	-0.82	-0.41
Catalina	S19	Aluminum	2.7	207	449.6	111.3	3.5	-0.68	-0.09
Catalina	S20	Aluminum	2.88	207	350.5	133	4.2	-0.64	0
Catalina	S30	Aluminum	4.3	207	505.5	133.4	6.2	-1.09	-0.09
Catalina	S40	Aluminum	5.8	207	645.2	133.4	7.3	-0.68	0.64
Catalina	S45	Aluminum	6.4	207	449.6	175	9.2	-1.27	0.23
Catalina	S50	Aluminum	7.2	207	492.8	175	9.9	-1.09	0.54
Catalina	S53	Aluminum	7.6	207	487.7	184.2	11.4	-1.72	0.05
Catalina	C60	Alumium	7.9	228	506	184.2	12.4	-2.54	-0.54
Catalina	S63	Alumium	9	207	551	184.2	12.2	-1.27	0.82
Catalina	C80	Alumium	10.3	228	648	184.2	15.7	-2.63	0
Catalina	S80	Alumium	11.1	207	658	184.2	14.2	-0.73	1.86
Catalina	C100	Alumium	13.2	228	673	203.2	19.1	-2.36	1
Faber	FX15DV	Steel	2	237	359.9	100	3	-1.1	-0.55
Faber	FX23DV	Steel	3	237	495.3	100	3.9	-1.2	-0.3
Faber	L27DV	Steel	4	182	366.5	139	5.3	-1.34	-0.49
Faber	FX23DV	Steel	5	237	449.6	184	6.7	-2.05	-0.67
Faber	L50SDVB	Steel	7.8	182	640.1	140	8.6	-1.1	0.56
Faber	M71SDVB	Steel	9	228	519.9	174	13	-1.97	0.41
Faber	FX80SDVB	Steel	10.2	237	530.1	184	13	-3.65	-0.79
Faber	HP80	Steel	10.2	237	53	18.4	13	-3.65	-0.79
Faber	M100SDVB	Steel	11.9	241	614.9	184	17.6	-6.4	-3.03
Faber	FX100SDVB	Steel	12.9	237	644.9	184	15.6	-3.81	-0.27
Faber	HP100	Steel	12.9	237	64.5	18.4	15.6	-381	-0.15
Faber	L85SDVB	Steel	13	182	659.9	178	14.2	-1.72	1.05
Faber	L95SDVB	Steel	15	182	605	204	16.9	-2.44	0.77
Faber	FX117SDVB	Steel	15	237	614.9	204	17.6	-4.14	-0.07
Faber	HP117	Steel	15	237	61.5	20.3	17.7	-4.14	0.16
Faber	FX120SDVB	Steel	15.3	237	745	184	17.8	-4	0.29
Faber	HP120	Steel	15.3	237	74.5	18.4	17.8	-4.13	0.29
Faber	L108SDVB	Steel	17	182	680	204	18.6	-2.28	1.35
Faber	FX133SDVB	Steel	17	237	680.2	204	19.4	-4.12	0.66
Faber	HP133	Steel	17	237	68	20.3	19.4	-4.12	0.66
Faber	L120SDVB	Steel	19	182	745	204	20.4	-2.21	1.85
Faber	FX149SDVB	Steel	19	237	750.1	204	21.3	-4.27	1.07
Luxfer	S006	Aluminum	0.9	207	283	81	0.9	-0.6	-0.4
Luxfer	S13S	Aluminum	1.9	207	333	111	1.9	-0.8	-0.4
Luxfer	S019	Aluminum	2.9	207	471	111	2.9	-0.6	0.1
Luxfer	S030	Aluminum	4.3	207	491	133	4.3	-0.6	0.4
Luxfer	S040	Aluminum	5.7	207	629	133	5.7	-0.3	1.1
Luxfer	S050	Aluminum	6.9	207	483	175	6.9	-1.2	0.5
Luxfer	S063	Alumium	9	207	555	184	12.2	-1.1	1.1
Luxfer	S072	Aluminum	10	207	660.4	175	12.9	-0.64	1.72
Luxfer	S80N	Alumium	10.3	228	655	184	16	-2.6	0
Luxfer	S080	Alumium	11.1	207	662	184	14.3	-0.8	1.9
Luxfer	S106W	Aluminum Hoop Wrap	11.1	300	661.9	187.7	15.3	-2.2	1.4
Luxfer	S100	Alumium	13.2	228	666	203	18.6	-2.1	1.3
MetalImpact	AL06	Aluminum	0.8	207	276.9	81	1.2	-0.73	-0.51
MetalImpact	AL13	Aluminum	1.8	207	322.6	112	2.7	-0.5	-0.06
MetalImpact	AL19	Aluminum	2.6	207	438.2	112	3.6	-0.77	-0.17
MetalImpact	AL30	Aluminum	4.2	207	495.3	133	5.6	-0.73	0.31
MetalImpact	AL40	Aluminum	5.5	207	632.5	133	6.9	-0.45	0.85
MetalImpact	AL50	Aluminum	7.1	207	492.8	175	9.8	-1.04	0.7
MetalImpact	AL63	Aluminum	8.7	207	556.3	184	12.3	-1.04	1.08
MetalImpact	AL72	Aluminum	10	207	660.4	175	12.6	-0.41	1.99
MetalImpact	ALN80	Aluminum	10	207	645.2	184	15.1	-1.86	0.81
MetalImpact	AL80	Aluminum	11.1	207	662.9	184	14.5	-0.68	1.93
MetalImpact	AL100	Aluminum	12.9	207	666.8	203	19.1	-2.4	1.03
OMS / Faber	C8	Steel	1.2	182	285.8	91	2.3	-1.01	-0.73
OMS / Faber	C13	Steel	2	182	355.6	99	2.7	-1.5	-1.02
OMS / Faber	C20	Steel	3	182	495.3	99	3.4	-1.36	-0.68
OMS / Faber	C45	Steel	7	182	584.2	140	8	-1.81	0
OMS / Faber	C50	Steel	7.8	182	640.1	140	9	-2.18	-0.68
OMS / Faber	C66	Steel	10	182	533.4	178	11.3	-2.34	0.76
OMS / Faber	C85	Steel	13	182	660.4	178	14.1	-3.04	0
OMS / Faber	C98	Steel	15	182	609.6	203	17.2	-3.51	0
OMS / Faber	C108	Steel	17	182	660.4	203	18.6	-3.63	-0.45
OMS / Faber	C121	Steel	19	182	736.6	203	20.4	-4.31	0
OMS / Faber	C135	Steel	20	182	779.8	203	21.3	-4.67	0.34
Pressed Steel	LP-45	Steel	7.16	182	584.2	140	8.9	-1.68	-0.23
Pressed Steel	E7-65	Steel	8.28	237	425.5	183	10.5	-2.9	-0.68
Pressed Steel	MP-72	Steel	9.42	228	527.1	175	13.6	-5.17	-2.72
Pressed Steel	E7-80	Steel	10.19	237	501.7	183	11.8	-4.22	-1.5
Pressed Steel	E7-100	Steel	12.73	237	609.6	183	14.5	-3.99	-0.59
Pressed Steel	LP-80	Steel	12.86	182	609.6	183	15.6	-3.18	-0.45
Pressed Steel	E8-119	Steel	15.17	237	609.6	203	17.8	-5.53	-1.5
Pressed Steel	E7-120	Steel	15.29	237	711.2	183	16.6	-4.67	-0.59
Pressed Steel	E8-130	Steel	16.6	237	649.2	203	19.1	-6.62	-2.18
Pressed Steel	E8-149	Steel	18.98	237	746	203	21.5	-5.81	-0.77
Worthington	LP27	Steel	4.3	182	368.3	140	5.4	-1.36	-0.45
Worthington	X7-65	Steel	8.2	237	424.2	184	11.4	-3.95	-1.77
Worthington	X7-80	Steel	10.1	237	502.9	184	13.6	-4.08	-1.36
Worthington	LP77	Steel	12	182	589.3	184	14.7	-3.08	-0.45
Worthington	X7-100	Steel	12.2	237	576.6	184	15	-4.54	-1.13
Worthington	LP85	Steel	12.8	182	627.4	184	16.7	-3.22	-0.32
Worthington	LP95	Steel	14.8	182	602	203	16.7	-3.22	-0.32
Worthington	X8-119	Steel	14.8	237	607.1	203	19.3	-4.94	-0.91
Worthington	X7-120	Steel	15.3	237	703.6	184	18	-4.99	-0.91
Worthington	X8-130	Steel	16	237	642.6	203	20.3	-5.31	-0.91
Worthington	LP108	Steel	16.8	182	673.1	203	20.8	-4.85	-1.18
Worthington	LP121	Steel	18.9	182	741.7	203	22.6	-5.03	-0.91

The buoyancy of the cylinders above are in salt water. Also, the weight and dimensions do not include the tank valves.

If you are trying to determine which cylinder you are looking at, it may be helpful to look at our article on understanding tank markings. In it we go in depth into many of the engravings found on SCUBA cylinders.

Also, if you are in the market for a new tank and want more help with choosing the tank that's right for you you may want to read our article on how to pick the perfect SCUBA tank for you.

Also, For more information on specific cylinders we recommend you check with the cylinder manufacturers directly. The “additional resources” tab below contains links to the cylinder manufacturers listed above. You can find information that goes beyond the SCUBA tank size chart there.