Marine Fuel Bladder Dimensions & Size Guide

Compare Techno Tanks marine fuel bladder dimensions, weights, and capacities from 30 to 300 gallons to find the right fit for your boat.

💡 Pro Tip: Allow 10–15% additional space to accommodate bladder expansion and hose routing during installation.

Small Boats

30–60 Gallons

Offshore Fishing

80–150 Gallons

Long Range & Sportfish

200–300 Gallons

Bladder Dimension Chart & Size Guide

Compare dimensions and weights of all Techno Tanks marine fuel bladders.

Toggle between imperial and metric measurements for your convenience.

Capacity	Typical Use	Box Dimensions	Filled Dimensions	Weight
30 Gallon Marine Fuel Bladder114 Liters	Small center console / short-range extension	20 × 16 × 7.5 in51 × 40.5 × 19 cm	33.5 × 22 × 12.5 in85 × 56 × 32 cm	17.5 lbs8 kg
50 Gallon Marine Fuel Bladder190 Liters	Offshore fishing / compact deck footprint	25.5 × 20.5 × 10 in65 × 52 × 25 cm	48 × 19 × 17 in122 × 48 × 43 cm	23.5 lbs10.5 kg
60 Gallon Marine Fuel Bladder227 Liters	Small offshore boats / added day range	25.5 × 20.5 × 10 in65 × 52 × 25 cm	42 × 28.5 × 16 in107 × 72.5 × 41 cm	21 lbs9.5 kg
80 Gallon Marine Fuel Bladder303 Liters	Offshore fishing / mid-size cockpit layout	25.5 × 20.5 × 10 in65 × 52 × 25 cm	42.5 × 34 × 18 in108 × 86.5 × 45.5 cm	24.5 lbs11 kg
100 Gallon Marine Fuel Bladder379 Liters	Longer offshore runs / larger deck capacity	25.5 × 20.5 × 10 in65 × 52 × 25 cm	53 × 37 × 15 in134.5 × 94 × 38 cm	27 lbs12 kg
150 Gallon Marine Fuel Bladder568 Liters	Extended offshore runs / sportfish support	25.5 × 20.5 × 10 in65 × 52 × 25 cm	63 × 44.5 × 17.5 in160 × 113 × 44.5 cm	34 lbs15 kg
200 Gallon Marine Fuel Bladder757 Liters	Long-range boating / expedition support	25.5 × 20.5 × 10 in65 × 52 × 25 cm	66 × 61 × 15 in167.5 × 155 × 38 cm	39.5 lbs18 kg
250 Gallon Marine Fuel Bladder946 Liters	Large cockpit layouts / extended range	25.5 × 20.5 × 10 in65 × 52 × 25 cm	68 × 56 × 19.7 in172.5 × 142 × 50 cm	40 lbs18 kg
300 Gallon Marine Fuel Bladder1135 Liters	Maximum range extension / large vessels	25.5 × 20.5 × 10 in65 × 52 × 25 cm	68 × 63 × 19.5 in172.5 × 160 × 49.5 cm	41.5 lbs18.5 kg

*Values are approximate (Length × Width × Height). Height measured to flange; allow approximately 2 in for fuel cap.

Techno Tanks marine fuel bladder dimensions and size guide

Fuel Weight Calculator

Toggle between gasoline and diesel to estimate the approximate fuel weight added to the boat for each bladder size.

Capacity	Fuel Weight Added
30 Gallons
50 Gallons
60 Gallons
80 Gallons
100 Gallons
150 Gallons
200 Gallons
250 Gallons
300 Gallons

30 Gallons

Fuel Weight Added

50 Gallons

Fuel Weight Added

60 Gallons

Fuel Weight Added

80 Gallons

Fuel Weight Added

100 Gallons

Fuel Weight Added

150 Gallons

Fuel Weight Added

200 Gallons

Fuel Weight Added

250 Gallons

Fuel Weight Added

300 Gallons

Fuel Weight Added

*Approximate fuel weight only. Calculated using standard reference densities of 6.1 lb/gal for gasoline and 7.08 lb/gal for diesel. Does not include bladder, fittings, hose, or pump weight.

Contact & Support

Need help with fuel bladder sizing, product questions, an order, or a custom configuration? Contact Techno Tanks.

Call: +1 (786) 439-0219 Online: Contact Techno Tanks Support