Converting a recipe for a new cooker is where good dinners go wrong. A time that works in one machine burns or undercooks food in another, and most recipes never explain the change. This free converter fixes that for pressure cooking: enter the original time and settings, pick the food group, and it gives you the converted time and temperature in seconds.
The rule behind the calculator is simple and based on standard kitchen guidance: a stovetop recipe takes about one third of its time under pressure, while a slow cooker recipe takes only about 15 percent of its time, with beans needing about 20 percent longer and vegetables about 20 percent less. Those rates scale smoothly, so a small piece and a large piece both get a sensible time. The calculator does the multiplication for you, including the adjustments for size, method and temperature, which are easy to get wrong when you work them out by hand in a busy kitchen.
Your settings matter as much as your main number. A hotter oven browns faster but can dry the outside before the centre is ready, while a cooler oven cooks more gently and evenly but takes longer. The calculator lets you compare settings instantly, so you can pick the one that fits your schedule and your taste instead of guessing and hoping the result works out.
The food group adjustment is what saves dinner. Beans stay hard if you use a meat time, and vegetables turn to mush if you use a bean time, so the group matters as much as the original time. This detail is easy to miss in a recipe, because recipes usually give one time for one size and one oven. Real kitchens are messier: pieces differ, ovens differ, and toppings, stuffing or wrapping change the heat flow. The calculator accounts for those differences, so its answer fits your actual dinner, not just the recipe writer’s kitchen.
The most common mistake is converting the time but keeping the old temperature. Heat and time work together, so changing one without the other gives a wrong result. A pressure cooker works because steam under pressure is hotter than boiling water, and an air fryer works because fast moving hot air browns quickly. Both machines change the heat, not just the clock, and the converter adjusts for both.
Plan backwards from the time you want to serve. Take the serving time, subtract the rest time if there is one, then subtract the cooking time, and that is when the food goes into the oven, onto the grill or into the water bath. Add time for preheating and for side dishes, and write the plan down. A written plan beats a mental one on a busy cooking day, when guests, children and side dishes all demand attention at once.
If the food finishes early, do not panic. Most roasted, grilled and smoked food holds well when wrapped loosely and kept warm, and a short rest often improves the result. If it finishes late, serve a starter, turn up the side dishes and let guests enjoy a drink. Food that is a little late but juicy beats food that is on time but dry, every single time, and your guests will remember the taste, not the delay.
Use the result as the centre of your meal plan, and scale the sides to match. Potatoes, vegetables, bread and salads all need space and time, and a full oven or a crowded grill cooks slower than an empty one. Put slow sides in early, keep quick sides for the end, and use any rest time to finish sauces and gravy from the pan juices, so the whole meal lands hot on the table together.
Save this page for your next dinner, holiday meal or weekend cook. The calculator is free, needs no account, and works in your browser on a phone or a computer. Enter your numbers, pick your settings, and cook with a plan instead of guessing at the oven door.
Versión en español: Convertidor de Tiempos a Olla a Presión – De Cocina Lenta a Presión