Marinade Time Calculator (by Protein Type)
Find safe and optimal marinade times by protein type and acid level.
What this calculates
Marinating too long can mush delicate proteins (fish, shrimp) or toughen them via acid denaturation. Tough cuts benefit from longer time. This guide gives the practical window for each protein, with adjustments for high-acid (citrus/vinegar) marinades.
Formula & how it works
Heuristic table by protein and acid level (lookup, not math). Fish: 15-30 min mild, 10-15 min acidic. Shrimp: 15-30 min. Chicken: 2-8 hr (boneless) or 4-24 hr (bone-in). Beef tough cut: 8-24 hr. Pork: 2-12 hr. Tofu: 30 min-overnight.
Worked example
Boneless chicken thighs in citrus marinade: stay under 4 hours or texture turns mealy. Beef chuck in soy/garlic marinade: overnight is fine.
Frequently asked questions
Why acid matters?
Acid denatures proteins on the surface — flavor in, but mush if too long. Yogurt is gentler than lemon juice (lower acidity).
Marinate at room temp?
Never beyond 30 min. Fridge always for longer marinades. Discard marinade that touched raw meat unless boiled first.
Quick marinate?
Vacuum-seal or pierce protein to increase surface area. Cuts time by ~50% but doesn't replace true infusion.