How Much Will Diapers Cost?
Diapering adds up to one of the more predictable — and surprisingly large — recurring baby expenses. This diaper cost calculator estimates your monthly, weekly, and total remaining diaper spend based on your baby's actual usage and the price you pay.
💡 Quick Summary
Monthly cost = diapers per day × ~30.4 days × price per diaper. Multiply by the months remaining until potty training for your total remaining cost.
Typical Diaper Usage by Age
| Age | Typical Diapers/Day |
|---|---|
| Newborn (0-2 months) | 10-12 |
| 3-6 months | 8-10 |
| 6-12 months | 7-9 |
| 12-24 months | 6-8 |
| 24+ months | 5-6 |
Ways to Reduce Diaper Costs
- Buy in bulk: larger boxes usually offer a lower per-diaper price than small packs.
- Store brands: often 20-40% cheaper than name brands with comparable quality.
- Subscribe & save programs: many retailers offer recurring-order discounts.
- Cloth diapering: a higher upfront cost but potentially lower long-run cost, depending on laundering expenses.
How This Calculator Works
Enter your baby's actual daily diaper usage and your average price per diaper (total pack price ÷ number of diapers in the pack). The calculator multiplies these to get your monthly and weekly costs, then multiplies the monthly figure by the months you expect to have left until potty training for a total remaining cost estimate.