How much you spend on diapers per month depends on the age of the baby and the brand of disposable diapers you buy.
Newborn babies go through around 10 to 12 diapers per day which costs around $50.00 per month and then as the baby gets older and becomes a toddler they use from 4 to 5 diapers per day.
Diapers tend to go up in cost as well the larger the diapers are.
You can expect to pay between $50.00 to $80.00 per month for one child in diapers.