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costco diapers size 4

Author

Liam Parker

Updated on June 28, 2026

SIZES AVAILABLE

Size 1: Up to 14lbs. Size 2: 12-18 lbs. Size 3: 16-28 lbs. Size 4: 22-37 lbs.

Are diapers cheaper in store at Costco?

Diapers. Diapers are actually slightly cheaper at Target and Walmart than they are at Costco, and they can also be purchased at a 20-percent discount through Amazon Family, which is an offshoot of Amazon Prime and also lets you buy in bulk (and not have to worry about fitting those bulky packages into the trunk).

What size diaper are babies in the longest?

Your baby will wear size 3 diapers for the longest, and this should be the size diaper that you buy the most of. To help you plan, here is a good estimate of how many diapers babies need per size: Newborn – newborn diapers can be used for up to 1.5 months, you should purchase around 2 to 3 packs of 140 diapers.

Is Kirkland diapers made by Huggies?

Who makes Kirkland diapers? Kirkland diapers are a Costco brand, but they’re actually made by Kimberly-Clark, who also make Huggies. You should be able to find them in all branches of Costco, although buying essentials like diapers and toilet roll has become a bit of a lottery this year.

How do you know when to go up a diaper size?

If you can’t comfortably fit two fingers under the waistband of the fastened diaper, it’s time for a bigger size. You may need to go up a size if you notice red marks on your baby’s tummy or thighs when you remove the diaper. If the diaper isn’t fully covering your baby’s bottom, choose a bigger size.

What size Pampers for a 1 year old?

Size 3 (16-28 lb) – For infants and toddlers from 5 months to 2 years old.

What is the weight for size 4 Huggies diapers?

1Size 1 8-14 lbs. 2Size 2 12-18 lbs. 3Size 3 16-28 lbs. 4Size 4 22-37 lbs.

Do Costco diapers cost more online?

Costco Pro Tip: Huggies Diapers at Costco cost the same amount in-store as they do online (which includes free shipping). So get your Costco Huggies however is most convenient for you – it’s all the same price!

Is Costco com more expensive?

You’ll pay higher, non-member prices on most groceries, a delivery fee, and a $2 service fee. When buying non-perishable food and household items on Costco.com, non-members will pay a 5% surcharge on goods. Most items that are available in-store at Costco will cost a few dollars more online — even for Costco members.

How much does Costco formula cost?

Costco’s Kirkland Signature ProCare Non-GMO Infant Formula (about 50¢ per ounce, and slightly less if you’re a Costco member) uses lactose, the sugar naturally found in human milk (breast milk). And this formula provides many of the same extra nutrients you’ll find in formulas that cost two or three times as much.

How long do babies stay in each size diaper?

Average-size baby boys usually move into Size 1 diapers around four weeks old and Size 2 diapers at about three to four months. Average-size baby girls reach the same milestones later, transitioning into Size 1 diapers around six weeks and Size 2 diapers between four or five months.