Facebook ads budget calculator for the UK

Planning a Meta Ads budget in pounds starts with two numbers you already have: the results you want and what one result costs you now. This planner turns them into a monthly and daily budget, adds VAT if you enter a rate, checks whether each ad set gets enough results to learn, and lays out safe scale-up steps from your current spend. It uses your own cost per result, never industry averages.

Runs in your browser. Nothing you enter is sent to us. Your last numbers are remembered on this device only.

How it works

• Budget for the period = results you want x what one result costs you. Daily budget = that amount divided by the days.
• Tax is added on top at the rate you enter, so you see the total you will be billed. Check an invoice for the rate that applies to you.
• The learning check divides your results per week between the ad sets and compares it with the number you set, 50 by default, as Meta has described. Check Meta's current help pages for the figure.
• The scale-up plan raises your current daily spend by a fixed percentage every few days until it reaches the plan.

How to use the result

Treat the plan as an estimate built on your own cost per result, so it holds only while that cost holds. Costs usually rise as spend rises and audiences are used up, so check actual results every few days and adjust. Large budget jumps can restart learning, which is why scale-up is shown in steps. Compare the daily budget with your pacing as the month goes on.

Common questions

Is VAT charged on Meta ads in the UK?

Check your Meta invoice for the tax that applies to your account. Enter the rate in the tax field to add it to the budget.

Where does the cost per result come from?

You enter it. Use your own recent average for the same account and result type. Published averages vary widely by industry, country and season, so we do not use them.

How is tax handled?

Enter the rate that applies in your country, such as GST or VAT. It is added to the ad budget to show the total billed. Check an invoice for the rate, and for whether your budget figure already includes tax.

Why check results per ad set per week?

Meta describes a number of results an ad set needs in a period to leave the learning phase. Splitting a small budget across many ad sets can leave each one short. Check Meta's current help pages for the figure.

How fast should I scale a budget?

Many teams raise it in steps of around 20 percent every few days, because large jumps can restart learning. Treat that as a rule of thumb and judge by results.

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