Instant Pot Conversion Calculator
Convert stovetop and oven recipes to Instant Pot with adjusted pressure cooking times. Enter values for instant results with step-by-step formulas.
Reviewed by Daniel Agrici, Founder & Lead Developer
Formula
Pressure Cook Time = Oven Time / 3 (or Stovetop Time / 2)
Divide oven cooking time by 3 or stovetop time by 2 for high pressure. Add pressurization time (10-15 min) and release time (5-15 min) for total cooking time. Adjust for food type and weight.
Worked Examples
Example 1: Beef Pot Roast Conversion
Problem:Convert a beef pot roast recipe that cooks at 325F for 3 hours in the oven. The roast weighs 4 lbs.
Solution:Oven time: 180 minutes at 325F\nPressure cook time: 180 / 3 = 60 minutes (high pressure)\nWeight adjustment (4 lbs standard): no change\nPressure buildup: ~15 minutes\nNatural release: 15 minutes\nTotal time: 60 + 15 + 15 = 90 minutes
Result:Pressure cook: 60 min | Total: ~90 min | Time saved: 50% vs oven
Example 2: Stovetop Chili to Instant Pot
Problem:A stovetop chili recipe simmers for 90 minutes. Convert for Instant Pot with 2 lbs of ground beef.
Solution:Stovetop time: 90 minutes\nPressure cook time: 90 / 2 = 45 minutes\nFood type (stew): 1.0x = 45 minutes\nWeight (2 lbs, standard): no change\nPressure buildup: ~10 minutes\nNatural release: 5 minutes (quick release)\nTotal: 45 + 10 + 5 = 60 minutes
Result:Pressure cook: 45 min | Total: ~60 min | Time saved: 33%
Frequently Asked Questions
What is the basic conversion rule for Instant Pot cooking?
The general rule is to divide the conventional oven cooking time by three for high pressure cooking in an Instant Pot. A recipe that takes 60 minutes in the oven will take roughly 20 minutes under pressure. For stovetop recipes, divide by two since stovetop cooking is already faster than oven cooking. For slow cooker recipes, divide by six since slow cookers take much longer than ovens. These are starting points that should be adjusted based on food type, size, and your specific Instant Pot model. Always err on the side of less time since you can add more minutes but cannot undo overcooking.
Why does the Instant Pot cook food so much faster?
The Instant Pot uses pressurized steam to raise the boiling point of water from 212 degrees Fahrenheit to approximately 244 degrees at high pressure, which is 11.6 PSI. This higher temperature drives heat into food much faster than conventional cooking methods. The sealed environment also prevents moisture loss, keeping food juicy while cooking. Pressure cooking effectively forces liquid and steam into the food, breaking down tough fibers and collagen in a fraction of the time. This is why tough cuts of meat that take hours in an oven become tender in under an hour in a pressure cooker.
How much liquid does an Instant Pot need?
The Instant Pot requires a minimum of one cup of liquid to build adequate steam pressure. Without enough liquid, the pot cannot pressurize and the burn notice may activate. The liquid can be water, broth, wine, tomato sauce, or any thin liquid. Thick sauces like barbecue sauce do not count as liquid and should be added on top of the food without stirring to prevent scorching on the bottom. For grains like rice, you typically need a 1-to-1 or 1-to-1.5 ratio of grain to liquid. Unlike slow cookers, you generally do not need to reduce the liquid from a conventional recipe since the sealed environment prevents evaporation.
Can I convert baking recipes to the Instant Pot?
Yes, certain baking recipes work surprisingly well in the Instant Pot, though the results differ from oven baking. Cheesecakes are famously excellent in pressure cookers because the moist environment prevents cracking. Quick breads, puddings, and custards also work well. You will need an oven-safe pan that fits inside the pot, placed on the trivet with water underneath. The cooking time is generally similar to oven time or slightly longer. You will not get browning or crispy textures because the moist environment prevents the Maillard reaction. Items like cookies, pie crusts, and anything requiring dry crisp heat should not be attempted.
References
Reviewed by Daniel Agrici, Founder & Lead Developer · Editorial policy