Finance

Monthly budget and savings rate

Organise fixed costs, variable spending and savings in a simple monthly budget.

Calculated instantly in your browserNo sign-up, storage or transmission.

Calculate a monthly budget and savings rate

  1. Enter all regular net income for one month.

  2. Split your spending into fixed costs, variable expenses and planned savings.

  3. The calculator shows the available amount, savings rate, expense rate and annual savings potential.

Your details

Enter values

All income actually available to you in a normal month.

Regular, largely fixed payments such as rent, insurance and subscriptions.

Variable spending such as groceries, leisure, clothing or fuel.

The amount you deliberately want to save or invest each month.

Portals and web tools

If you need a bespoke version

You can keep using this free tool as it is. If you need a bespoke version with your own rules, data or workflows for a website, shop or internal process, I can build it for you – for example with custom rules and data sources, approvals and exports, and website or shop integration.

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How this tool calculates

Fixed costs, variable spending and planned savings are deducted from net income. The savings rate relates savings to net income.

Your inputs and results remain on your device. Reloading the page restores the default values.

Terms used in this calculation

Fixed costs
Regular recurring expenses that are usually similar in amount.
Variable expenses
Expenses whose amount varies from month to month.
Savings rate
Planned savings in relation to net income.

Frequently asked questions

What does a negative available monthly amount mean?

The entered expenses and savings target together are higher than your income.

Do annual bills belong in fixed costs?

Divide the annual amount by twelve and include it as a monthly fixed-cost reserve.