Best diapers. Best price.
Compare the price per diaper at 20+ US stores. Save up to $600/year.
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Best deals right now
🇺🇸 United States · lowest price per diaper today
Parent's Choice Diapers Size 1
· 204 diapers$0.09
per diaper
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Diaper pails & bags
Diaper Genie
Diaper Genie Refill Bags – 270 count (3-pack)
Holds up to 810 diapers · Clean Laundry scent
Diaper Genie
Diaper Genie Easy Roll Refill
Compatible with all Diaper Genie pails
Munchkin
Arm & Hammer Diaper Bag Dispenser + Disposal Bags
Odor-sealing bags · Fits any diaper bag
Baby wipes
Swim & training
BIG ELEPHANT
BIG ELEPHANT Reusable Swim Diapers – 3 pack
Adjustable · Waterproof · 6 months–5 years
Green Sprouts
Green Sprouts Reusable Absorbent Swim Diaper
Pull-up style · Eco-friendly
BIG ELEPHANT
BIG ELEPHANT Toddler Training Pants – 3 pack
Cotton · Absorbent · Potty training
Price per diaper
We calculate the cost per unit, not the pack price. So you always compare fairly across all brands and stores.
Updated daily
Our database is updated every day with the latest prices from 7+ United States stores.
Independent & fair
We show all brands and stores equally. No hidden preference — the best deal always ranks first.
Diaper size chart
Popular diaper brands in United States
All brands
Het meest verkochte luiermerk ter wereld. Bekend om de Baby-Dry en Active Baby series.
Populair merk met unieke pasvorm en zachte materialen. Sterk in broekjesluiers.
EcoPremium eco-luiers van Duits merk. Zonder pesticiden, chloor en parfum.
EcoDeens eco-merk met FSC-gecertificeerd bamboe. Top keuze voor milieubewuste ouders.
Diaper tips & comparisons
Everything you need to know about diapers
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Store Brand Diapers: Safety, Savings & Smart Picks in 2026
Store brand diapers can save families hundreds yearly. Here's how to check safety, compare prices, and pick the best value brands in 2026.
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Diaper Blowouts: Real Causes & How to Fix Them in 2026
Diaper blowout causes and fix guide: why leaks happen, the size and fit mistakes to avoid, and the exact brands that hold up against runny poo.
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Frequently asked questions
How do I calculate the price per diaper?+
Divide the total pack price by the number of diapers. A pack of 80 diapers for $12.00 costs $0.15 per diaper. Our comparison tool does this automatically for every product.
Which diaper size does my baby need?+
Diaper sizes are based on weight. Use our size calculator: enter your baby's weight and we'll instantly show the right size. Generally: Size 1 (8–14 lbs / 2–5 kg), Size 2 (12–18 lbs), Size 3 (16–28 lbs), Size 4 (22–37 lbs), Size 5 (27+ lbs).
Are eco diapers more expensive?+
Eco diapers like Bambo Nature and Seventh Generation typically cost $0.35–$0.60 per diaper, compared to $0.10–$0.25 for conventional brands. They are biodegradable and free from harmful chemicals.
How often are prices updated?+
We update prices daily through automated scans of 10+ stores. The update date is shown on each product listing.
Does DiaperAlert earn commission on purchases?+
Yes, DiaperAlert uses affiliate links. If you buy a product through our site, we receive a small commission from the retailer — at no extra cost to you. This does not affect the order of comparison results.
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