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How Many Diapers Does a Baby Actually Need? A Size-by-Size Breakdown

March 1, 2026ยท4 min read

If you're planning a baby shower or expecting a little one, you've probably wondered: how many diapers does a baby actually go through? The answer might surprise you. On average, a baby uses about 2,500 to 3,000 diapers in the first year alone. Here's the breakdown by size.

Newborn (Up to 10 lbs) โ€” ~360 diapers

Babies grow out of newborn diapers fast โ€” usually within the first month. You'll go through about 10โ€“12 diapers per day in those early weeks. Stock about 2โ€“3 packs, but don't go overboard since babies outgrow this size quickly.

Size 1 (8โ€“14 lbs) โ€” ~480 diapers

This size typically lasts about 2 months. You're still changing 8โ€“10 diapers per day. This is a great size for shower guests to bring since babies use a lot of them.

Size 2 (12โ€“18 lbs) โ€” ~480 diapers

Another 2-month size with about 8 changes per day. Size 2 is one of the most-used sizes, so stock up!

Size 3 (16โ€“28 lbs) โ€” ~660 diapers

Babies typically wear Size 3 for about 3 months, with 6โ€“8 changes per day. This is the size most babies are in the longest during their first year.

Size 4 (22โ€“37 lbs) โ€” ~540 diapers

By now, changes slow down to about 6 per day. Size 4 lasts roughly 3 months and is another great stockpile size.

Size 5+ (27+ lbs) โ€” Variable

Most babies reach Size 5 toward the end of their first year or beyond. Changes drop to 5โ€“6 per day.

The Total: ~2,500+ Diapers

That's a LOT of diapers. At an average cost of $0.20โ€“$0.35 per diaper, you're looking at $500โ€“$900 in diaper costs in the first year alone.

How a Diaper Raffle Helps

This is exactly why diaper raffles are so popular at baby showers! A diaper raffle incentivizes guests to bring diapers by giving them a chance to win a prize. And with a digital diaper raffle from MyDiaperRaffle.com, it's never been easier.

Guests enter by saying how many diapers they're bringing, and they automatically get raffle tickets based on quantity. More diapers = more chances to win. It's a win-win: the parents get stocked up on diapers, and guests get a fun game to play.

Tips for Stocking Up at Your Shower

  • โ€ขAsk for a mix of sizes: Don't just request newborn diapers! Sizes 1โ€“3 are the most useful
  • โ€ขMention "any size welcome": on your raffle: This takes the pressure off guests to guess the right size
  • โ€ขUse a diapers-per-ticket ratio: With MyDiaperRaffle.com, you can set it so guests get 1 ticket per 10 diapers โ€” motivating bigger packs
  • โ€ขStore them properly: Keep diapers in a cool, dry place. They don't expire, so there's no rush to use them

Ready to stock up? Set up your digital diaper raffle at MyDiaperRaffle.com and let your shower guests help fill the diaper stash!

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