Can pressure cookers also be used for canning?

Some can, but only the stovetop models that makers build and label as pressure canners, which also cook. Electric countertop pressure cookers are sold for cooking, and their makers do not publish canning instructions or a canning-safe rating. The distinction matters because the two appliance types reach pressure differently and hold different volumes of jars.

What separates a pressure canner from a pressure cooker

A pressure canner is a large stovetop pot with a locking lid, a dial or weighted gauge, and a rack that holds jars off the bottom. A pressure cooker is the same idea scaled for food, and many stovetop cookers are sold as both. The Best Pressure Canners for Large-Batch Home Canning guide covers five vessels built around jars, and several of them are described by their makers as cookers too.

The All American 1930 921 is the clearest example. Its maker calls it a pressure cooker and canner in the same title and states it holds approximately 19 pint jars or 7 quart jars. The Presto 01784 is listed at 24.3 quarts with space for 7 quarts, 20 pints, or 26 half-pints of regular Mason jars, and its maker notes it also works as a large-capacity pressure cooker for everyday meals.

Electric multi-cookers sit outside that group. The Best Pressure Cookers for Canning and Fast Meals guide includes the Instant Pot Duo 6 Qt, the Midea 8-quart 12-in-1, and the Cosori 6QT, and none of those makers publishes a canning rating or jar capacity in the features listed. They publish cooking functions, wattage, and safety systems instead.

Stovetop picks that are sold for both jobs

The Presto 01781 23-Quart Pressure Canner and Cooker is listed at 23 quarts with a Mason jar capacity of 26 half-pints, 20 pints, or 7 quarts. Its maker states it doubles as a boiling-water canner for fruits, jams, jellies, pickles, and salsa and works as a large-capacity pressure cooker. The body is heavy-gauge aluminum, and the maker states it works on regular and smooth-top ranges.

The T-fal 22-Quart Aluminum Pressure Canner is listed at 22 quarts and holds up to 24 half-pint jars, 16 wide-mouth pint jars, 18 pint jars, or 7 quart jars per batch. Its maker states it supports pressure canning for low-acid foods and boiling-water canning for high-acid foods, and lists compatibility with gas and electric coil cooktops. Two canning racks and a step-by-step guide come with it.

The Siftary 24 QT is listed at 24 quarts with a gauge the maker calibrates to 14.5 PSI and a body the maker describes as heavy-gauge aluminum on an induction-ready base. The RVGMBO 12 Quart is listed at 12 quarts with three pressure settings, from 15 PSI at the high end to 10 PSI at the low end, and the maker describes it as a three-in-one cooker that converts to a classic pot or a steamer.

Why electric multi-cookers are a different case

An electric pressure cooker generates its own steam and controls its own heating cycle, so the maker decides what the appliance is rated to do. The Instant Pot Duo 6 Qt is listed at 6 quarts and 1000 watts, with 7 cooking functions and 13 one-touch programs. Its published features describe pressure cooking, slow cooking, sauteing, steaming, rice, yogurt, and keep warm. Canning is not among them.

The Midea 12-in-1 is listed at 8 quarts with a stainless steel inner pot and a REALSAFE SYSTEM the maker describes as pressure limit, over temperature, and overpressure automatic release. The Cosori 6QT is listed at 6 quarts with 12 safety features and a ceramic coating inner pot. Both makers list cooking programs and safety systems, and neither lists a jar capacity or a canning rating in the features on the fact sheet.

That absence is the answer for this group. A 6-quart or 8-quart electric cooker holds far less than the stovetop canners above, and the makers publish no canning instructions for these models. Anyone who wants to pressure can should start from a vessel the maker sells as a canner.

Matching the vessel to the batch

Jar capacity is the figure that decides which canner suits a kitchen. The Presto 01784 holds 7 quarts, 20 pints, or 26 half-pints. The All American 921 holds approximately 19 pint jars or 7 quart jars. The T-fal holds up to 24 half-pint jars, 16 wide-mouth pint jars, 18 pint jars, or 7 quart jars. The Siftary and Hestroney listings give overall capacity in quarts but do not publish a jar count in their features.

Overall size and jar count are separate figures, and the makers publish them separately. The Presto 01784 is listed at 24.3 quarts and the Presto 01781 at 23 quarts, while both hold 7 quarts of jars. The Hestroney is listed at 10.6 quarts, the smallest vessel in either guide, and its features describe cooking uses such as soups and desserts rather than a jar load.

Footprint matters on a stovetop. The Presto 01784 measures 17.5 inches wide, 13.5 inches deep, and 15.5 inches tall, and weighs 12.49 pounds. The All American 921 measures 15 inches wide, 16 inches deep, and 17 inches tall, and weighs 20 pounds. The T-fal measures 15.39 inches wide, 19.33 inches deep, and 16.26 inches tall, and weighs 14.77 pounds.

What to check before you buy

Read the maker’s own wording. A product sold as a pressure canner will state a jar capacity and a canning method, as the Presto, All American, T-fal, Siftary, and Hestroney listings do to varying degrees. A product sold as a pressure cooker will list cooking programs, wattage, and safety systems, as the Instant Pot, Midea, and Cosori listings do. The label on the box is the guide.

Check the heat source next. The Presto 01784 is described as induction compatible and suited to gas, electric, and smooth-top stoves. The All American 921 is described as suitable for gas, electric, or flat top stoves. The T-fal is listed for gas and electric coil cooktops. The Siftary is described as compatible with induction, gas, and electric stoves. The RVGMBO is described as induction, gas, and electric compatible.

Gauges differ too. The Presto 01781 has a deluxe pressure dial gauge the maker says registers the complete range of processing pressures, which the maker notes matters at higher altitudes. The All American 921 uses a metal-to-metal seal with no gasket, plus a steam gauge and a machined regulator weight. The Siftary gauge is calibrated to 14.5 PSI. The RVGMBO offers settings from 15 PSI to 10 PSI.

Where a maker publishes nothing, this site has not compared it. The Hestroney features describe a six-tier safety system and stainless steel construction but no jar count and no canning method. The Cosori and Midea features describe cooking programs and safety systems but no canning rating. Those gaps are worth knowing before you plan a batch around any of them.