Marinade Time Calculator

Recommended marinade time by protein. Acid-heavy marinades penetrate and toughen quickly.

Inputs

Result

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How to use this calculator

  • Pick protein type.
  • Pick marinade acidity.
  • Use within recommended window.
  • Always marinade in fridge.

About this calculator

Marinades flavor the surface layer (~2-3mm penetration in 24 hr) and tenderize via acid or enzymes. Fish & shellfish: 15-30 min max — acid will "cook" the protein (ceviche). Chicken pieces: 2-12 hr. Whole roasts: 8-24 hr. Pure citrus or vinegar marinades cook the protein quickly — use them less time. Mild oil-based marinades (olive oil + herbs) can sit overnight without harm. Always fridge; never room temperature.

Frequently asked

Can I over-marinade?+
Yes — high-acid marinades over-tenderize protein, going mushy/grainy. Fish over 30 min: ceviche territory. Beef over 24 hr in vinegar: mealy.
Reuse marinade?+
Boil for 5+ minutes first. Raw protein contamination otherwise. Or use a clean portion as basting sauce.
Does marinade penetrate deep?+
No — only ~2-3mm in 24 hours. Surface flavor only. Inject brine/marinade for deeper penetration in roasts.
Pineapple / papaya enzymes?+
Bromelain (pineapple) and papain (papaya) tenderize aggressively — use only 30-60 min on tougher cuts. Longer = mush.
Yogurt or buttermilk marinade?+
Mild lactic acid, also enzymatic. Tandoori chicken style: 4-24 hr, very forgiving.

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