How much does a box of baby diapers cost?

Disposable diapers...... when purchased in bulk bags or boxes, 15 to 40 cents each (US or Canadian funds) depending on size (there are up to 7 different sizes), retailer and brand.

Cloth diapers....... typically a diaper service will supply a weeks-worth of cloth diapers, washed and delivered to the home for $25-40 per week.

How much... do they cost? On the low end it's about $13 to $35 on the high end. It depends on the brand and size.