Budget calculator: Find your disposable income and transfer to a bills account

Annual and quarterly bills can make your finances uneven, even if your income is the same every month. Here you can collect income and expenses and see both the average and the development of the bills account through the year.

Applies to the amounts in this calculator.

CHF

Empty = the average.

CHF

Item

Item 1
CHF
month

Converted from EUR to CHF at 1 CHF = 1.0785 EUR (ECB, 16.10.2026).

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Worked example

  • Item 1: Item Insurance · Amount 1,483.52 CHF · Repeats Annual · First due date 1 month

Transfer every month

124 CHF

Average 124 CHF · total expenses 1,484 CHF per year · required starting balance 1,360 CHF

The budget account month by month
MonthBillsBalance
1 1,484 CHF -1,360 CHF
2 0 CHF -1,236 CHF
3 0 CHF -1,113 CHF
4 0 CHF -989 CHF
5 0 CHF -865 CHF
6 0 CHF -742 CHF
7 0 CHF -618 CHF
8 0 CHF -495 CHF
9 0 CHF -371 CHF
10 0 CHF -247 CHF
11 0 CHF -124 CHF
12 0 CHF 0 CHF

The transfer arrives on the 1st of the month; the bills fall due later in the same month.

The annual average is only the beginning

A bill of 12,000 a year equals 1,000 a month. If it falls due early, though, the account can be short of money before the monthly transfers have caught up. That is why the starting balance required with your payment dates is also calculated.

Disposable income depends on which expenses you have already subtracted. The calculator shows this boundary, so food, transport or other items are not forgotten or subtracted twice.

How to build your budget

Start with the fixed payments

Find the amounts and due dates for housing, insurance, energy, subscriptions and loans. Use income after tax. Then add expenses that vary, and give them a realistic amount.

Check the lowest balance of the year

Choose a fixed monthly transfer, and see whether the account goes negative along the way. A positive balance at the end of the year is not enough if money is missing in March.

Also calculate with an unexpected expense or a period of lower income. It helps you distinguish between money for known bills and an extra buffer. If the total cost of your car should be included, the car budget can give a separate estimate, which is then included in the household budget without repeating the same payments.