Food & Bar
Fryer Oil Life Calculator
Oil quality degrades fastest with high temps, salt contact, and water-heavy foods like fries.
Days before change
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- lb per gallon-life
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- Weekly oil cost
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- Annual changes
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FAQ
How do I know oil is done? +
Dark color, foaming, smoke at lower temps, off smells. Test strips check FFA levels.
Can I filter to extend life? +
Yes — daily filtering doubles oil life and pays for the filter system fast.