Fuel Line Calculator
Calculate optimal fuel line size for your application
System Requirements
N/A: 0.45-0.50, Turbo: 0.55-0.65, E85: 0.65-0.75
Recommended Feed Line
5/16" (AN-5)
Return: 5/16" (AN-5)
Fuel Flow Requirements
Fuel Flow200.0 lbs/hr
Fuel Flow33.3 GPH
With Safety Margin41.7 GPH
Line Flow Capacity
5/16" (AN-5)80 GPH max
3/8" (AN-6)140 GPH max
1/2" (AN-8)200 GPH max
5/8" (AN-10)350 GPH max
3/4" (AN-12)500 GPH max
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.