EZ
Virtual Tools | Marine
Hub
Petroleum
All Calculators
Engine
Oil
Calculator
Calculate engine oil capacity, filter sizing, and recommended change intervals for marine engines
Input Parameters
Engine HP
Cylinders
Engine Type
Diesel Inboard
Gasoline Inboard
Gasoline Outboard
Diesel Outboard
Annual Engine Hours (hrs)
Oil Type
Conventional
Synthetic Blend
Full Synthetic
Calculate
Results
--
Oil Capacity
quarts
--
Filter Flow Rate
gpm
--
Change Interval
hours
--
Changes Per Year
Reference
Diesel: ~1.5 qt/cyl, change every 150 hrs Gasoline: ~1.2 qt/cyl, change every 100 hrs Synthetic extends interval by 25-50%