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Milk types

How to store and handle standardised milk safely?

Quick answer

Store standardised milk like any pasteurized milk: refrigerate it at 40 degrees F (4 C) or below, keep the carton closed, and never pour used milk back into the original container. Opened milk usually lasts about a week, but go by the date and by smell. Discard it if it is sour or curdled. Unopened UHT milk can sit on a shelf for about 6 months.

Milk and Dairy Storage Chart

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Milk and Dairy Storage Chart (PDF)

How long milk, plant milks, cream, yogurt and kefir last, opened and unopened. Every line shows its source and the date we read it. Print it and keep it where you store your drinks.

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In this article
  1. How should you store milk?
  2. How long does milk last?
  3. What should you not do?
  4. Can you freeze milk?
  5. How can you tell milk has spoiled?
  6. Is standardised milk different to store?

How should you store milk?

Refrigeration is the single most important factor in keeping milk safe. Keep it at 40 degrees F (4 C) or below, put it away promptly after shopping, and store it in its original closed container. A tightly closed carton is less likely to pick up contamination and odors from other foods.

How long does milk last?

  • Fresh pasteurized milk: about 1 to 5 days past the sell-by date if kept cold, according to Clemson Extension.
  • Opened evaporated or sweetened condensed milk: about 1 week in the fridge.
  • Reconstituted nonfat dry milk: about 1 week in the fridge.
  • Unopened UHT milk: shelf-stable for about 6 months; after opening, refrigerate it and use within several days.

Dates are a guide. Fridge temperature and how often the carton is opened change the real life of the milk.

What should you not do?

  • Do not leave milk on the counter. Pour what you need and return the carton to the fridge.
  • Do not pour leftover milk back into the original container; it can contaminate the rest.
  • Do not keep milk in the door where it warms up each time you open it; the back of a shelf is colder.

Can you freeze milk?

Yes. Milk can be frozen at 0 degrees F (-18 C) for up to 3 months. Leave space in the container for expansion, thaw it in the fridge, and shake it well, because the texture may become less smooth.

How can you tell milk has spoiled?

Look for a sour smell, an off taste or a curdled look. If milk spoils before the date, it was likely mishandled at some point. Do not drink milk you suspect is spoiled; discard it.

Is standardised milk different to store?

No. Standardising only sets the fat level. Storage depends on whether the milk is pasteurized, UHT or raw, not on the word standardised. Raw milk is riskier and needs extra care.

People also ask

How long does milk last in the fridge after opening?

Usually about a week if kept at 40 degrees F or below, but rely on the date and your nose. Discard sour or curdled milk.

Can milk be left out of the fridge?

It should not be. Refrigeration is the most important factor in milk safety, so pour what you need and put the carton back.

Can you freeze milk?

Yes, at 0 degrees F for up to 3 months. Thaw it in the fridge; the texture may be less smooth.

General information only, not medical advice. If you have a health condition or are pregnant, ask your doctor before changing what you drink.

Sources

  1. Clemson HGIC: Safe Handling of Milk and Dairy Products, read 5 Nov 2026
Written by Drinks Type Editorial Team · Published Aug 9, 2025 · Updated Nov 6, 2026
About · How we verify this · Editorial policy · Corrections

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