Fuel Tank Capacity Calculator

Calculate tank volume, usable capacity, and fuel weight per ABYC H-33 standards

Tank Specifications

Gross Capacity --
Usable Capacity (95%) --
Empty Tank Weight --
Fuel Weight (Full) --
Total Weight (Full) --
Internal Volume --
Capacity in Liters --

Fuel Weight Reference

Fuel Type Weight/Gallon Weight/Liter
Diesel 7.1 lbs 0.85 kg
Gasoline 6.1 lbs 0.73 kg

Marine Fuel Tank Guidelines (ABYC H-33)

Material Requirements

Diesel: Aluminum (5052, 5083, 5086), steel, fiberglass, or cross-linked polyethylene.

Gasoline: Aluminum, steel, or fiberglass only. Poly tanks not permitted for gasoline on boats.

Minimum wall thickness: 0.090" for aluminum, 0.0747" (14 ga) for steel.

Installation Notes

Fuel tanks should be secured to prevent movement in all directions.

5% expansion space required - never fill completely.

All tanks must be grounded and equipped with proper venting per USCG regulations.