The number of jars you can put in a pressure cooker depends on the size and capacity of your pressure cooker as well as the size of the jars you are using. When canning using a pressure cooker, it's essential to follow the manufacturer's guidelines and safety recommendations.
Here are some general guidelines to consider:
Pressure Cooker Size: Pressure cookers come in various sizes, typically ranging from 4 to 10+ quarts. The size of the pressure cooker will determine how many jars you can fit inside. Larger pressure cookers can accommodate more jars.
Jar Size: Canning jars are available in different sizes, such as half-pint, pint, quart, and sometimes larger. The size of the jars will also impact how many you can fit inside the pressure cooker.
Canning Rack or Basket: Some pressure cookers come with canning racks or baskets designed specifically for canning purposes. These racks help keep the jars separated and can improve stability, allowing you to stack multiple layers of jars.
Vertical vs. Horizontal Stacking: Depending on the height and diameter of your pressure cooker, you may be able to stack jars vertically or horizontally. Horizontal stacking allows for more jars to fit in, but it's crucial to ensure they are adequately supported and won't topple over during pressure cooking.
Leave Space Between Jars: When canning, it's essential to leave some space between the jars to allow for proper circulation of heat and steam.
Pressure Cooker's Safety Guidelines: Always check the user manual and safety guidelines of your pressure cooker. The manufacturer will specify the maximum capacity and safe canning practices for your specific model.
To give you a rough idea, a standard 8-quart pressure cooker can usually fit around 7 to 9 pint-sized jars or 4 to 5 quart-sized jars for canning. However, please note that these numbers can vary based on the factors mentioned above.
Remember, when canning in a pressure cooker, it's crucial to follow proper canning procedures to ensure food safety. If you're new to canning, it's recommended to consult reliable canning guides or resources for specific recipes and step-by-step instructions.