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Weekly budget calculator

Turn monthly take-home income into an average weekly spending amount after fixed costs and planned savings. Use quick cost totals for an estimate, or build your costs one bill at a time.

What the result means

The result covers spending not already included in fixed costs, such as food, everyday travel and social spending. Avoid counting the same cost twice.

It is a starting plan, not a live bank balance. It excludes carry-over, spending already logged and one-off income. ClearWeek’s Android app adds your entered transactions to the weekly view.

Your figures stay here

Calculation happens in this page. Entries are not saved, added to the address or sent to us or analytics. There is no calculator form submission. Reloading clears the figures.

Paid every four weeks rather than monthly? Read the separate conversion guide first. Four-weekly pay is not monthly pay.

General budgeting information, not personalised financial advice. Check your own records and payment dates.

How the weekly calculation works

Weekly budget = ((monthly income − monthly costs − monthly savings) × 12 − yearly costs) ÷ 52

This uses the same annual-to-weekly basis as ClearWeek’s budget model for these inputs. Multiply monthly amounts by 12 and divide the annual remainder by 52, rather than treating every month as four weeks. Calendar years contain slightly more than 52 weeks; this is a consistent budgeting convention, not an exact daily cash-flow forecast.

A worked example

With £2,500 monthly income, £1,400 monthly costs, £600 yearly costs and £150 planned monthly savings, the annual remainder is £10,800. Dividing by 52 gives £207.69 per week.

A negative result is a shortfall, not spending money. Even a positive average does not mean a bill due tomorrow is covered.

Read the full monthly-pay budgeting method.

Take the plan into your week

ClearWeek for Android combines a weekly balance, manual spending and income entries, fixed costs and one savings pot in the free core. Premium adds deeper insights, longer-term history and multiple pots.

See the spending routine

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