How long is flour good for?

In this brief study, we will answer the question, “how long is flour good for?”. We will also discuss in detail, the shelf life, and storage methods of flour.

How long is flour good for?

Flour keeps for a year at ambient temperature and two years in the refrigerator or freezer if it is labeled “all-purpose flour.” “White” or processed flours derived from starches like potato or tapioca are in the same boat as other white flours, such as self-rising flour, white bread flour, and white cake flour.

In contrast to white flour, whole-wheat flour has a shorter shelf life. Bran and germ of the grain provide fiber and other minerals, but they deteriorate fast, which is why whole-wheat flour is preferable. In short, whole-wheat flour may be kept for up to three months at ambient temperature, and for a year in the fridge or freezer. It is important to realize that several whole-grain flours, including oat flour, are on equal ground when it comes to being “less processed.”

When making these estimations, keep in mind that the numbers will only apply to the finest quality. That flour has been deemed safe for usage for years to come.

White flourBest by + 1 yearBest by + 2 yearsBest by + 2 years
Whole-grain flourBest by + 3 monthsBest by + 6 monthsBest by + 1 year

What about flours with high-fat content, such as almond and coconut flour?

Paleo bakers get into trouble when using alternative flours, such as almond flour and coconut flour because these alternative flours have a higher fat content than starchy flours.

The shelf life of almond and coconut flours is at room temperature for three months and in the fridge or freezer for six months. they are in the same boat with nut flours and finely ground seeds (like flax).

How to keep your flour fresh?

It is not difficult to store flour. If you buy a package that has not been opened, store it in a cool, dry area. It is a better idea to go with a pantry rather than a kitchen cabinet, but either one will do.

While dry products, such as baking powder, must be kept free of water, the most essential thing is to prevent the flour from coming into contact with water.

If you can put the powder into an airtight container and seal it after opening the packaging, it is generally preferable to do so. The best option is an insulated cereal storage container with a flip-top cover.

When only using particular types of flour (such as whole wheat) on a fairly seldom basis, keeping the flour in the fridge or freezer is generally most practical.

If the flour is stored at a low temperature, it will last longer. It is especially important to pay attention to this for gluten-free flours, such as coconut and almond flour.

That means, if you want to keep using that particular packet of flour for an extended time, you should store it in the fridge.

To remember that flour has to be kept dry and cold whether it is in the fridge or freezer, just remember to keep it well-sealed. The flour should be stored in an airtight container, as indicated earlier. Instead, store the flour in a freezer bag, along with the original paper bag.

Other FAQs about Flour which you may be interested in.

Does almond flour go bad?

How do you know if your flour is bad?

First and foremost: Flour bags always come with a use-by or expiration date printed on them. Writing the expiry date on the bag before removing the flour’s original packing will help to extend the flour’s shelf life.

There is one quick technique to identify stale flour: “Smell it!”

Flour should have no detectable smell, or it should have a subtle nutty or sweet smell and taste. Flour that has gone bad has a sour or Play-Doh-like odor. Even if the odor is mild, you should be able to smell it.

Can you get sick from eating expired flour?

In most cases, eating expired flour has no negative consequences but most of the time, baked items simply do not taste well.

Expired flour, though, may make you sick. Mycotoxins in rancid flour might make you sick. (Some molds generate toxic mycotoxins.)

Unfortunately, because of the quantity of mold, the flour would have a strong, pungent odor, and thus you would notice straight away, which means you will discard it.


In this brief study, we answered the question, “how long is flour good for?”. We also discussed in detail, the shelf life and storage methods of flour.