Diaper Size Calculator
Find the perfect size and calculate monthly costs
Enter baby's details to get diaper recommendations
- Buy in bulk during sales (20-30% savings)
- Subscribe & Save programs (15-20% off)
- Generic brands save 25-40%
- Don't stockpile - babies grow quickly
Newborn: 1-3 months
Size 1-2: 2-4 months each
Size 3-4: 4-8 months each
Size 5-6: Until potty training
This calculator helps determine the perfect diaper size based on your baby's weight and age. Cost estimates use average national prices and typical usage patterns.
Sources: American Academy of Pediatrics (AAP), CDC Growth Charts, Consumer Reports.
Recommended Diaper Brands
Pampers Baby Dry Diapers
Absorbent, reliable diapers at an affordable price for everyday use. Trusted by millions of parents.
The Honest Company Clean Conscious Diapers
Organic, hypoallergenic diapers that are gentle on baby and the environment. Up to 100% leakproof with plant-based materials.
Pampers Pure Protection Baby Diapers
Up to 100% leakproof protection with hypoallergenic, plant-based materials for your baby's delicate skin.
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