Monthly
Multiply by 12. $17 a month is $204 a year.
The math
Turn a monthly bill into a yearly cost.
A bill that feels small every month is a different number across a year. The conversion is ordinary multiplication.
Weekly
Multiply by 52. $20 a week is $1,040 a year, which is about $86.67 a month.
Yearly
Leave it alone. $139 a year stays $139. Split across months, that is about $11.58.
A household list is those three rules added together. Per Year does the adding while you change each price to the one on your bill. Example prices are labeled until you edit them. The total is free.
Add up your own bills