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Free calculator

Facebook Ads Budget Calculator: plan your Meta ads spend

Pick how many results you want: messages, leads or sales. Add your CPM, CTR and conversion rate. See the impressions, clicks and budget you need, and what each result costs.

Your numbers
Currency
Labels only, no conversion. Type every amount in the currency you pick.
per month
Messages, leads or purchases. Example value.
BDT
Cost per 1,000 impressions.
%
Link clicks ÷ impressions.
%
Share of link clicks that become a result.
Your estimate
Estimated monthly ad budget--
Impressions needed-
Link clicks needed-
Cost per result-
Cost per link click-
VAT (15%)-
Cost per result with VAT-

Example values are filled in. Every result is an estimate. CPM and CTR change with your audience, season and creative.

How it works

From results back to a budget

Four simple steps, the same ones I use before any Meta campaign goes live.

1

Results to clicks

Divide the results you want by your conversion rate. 200 messages at 8% means 2,500 link clicks.

Clicks = results ÷ rate
2

Clicks to impressions

Divide clicks by your link CTR. At 1.5%, 2,500 clicks need about 1,66,667 impressions.

Impressions = clicks ÷ CTR
3

Impressions to budget

Divide impressions by 1,000, then multiply by your CPM. That is your ad spend.

Budget = impressions ÷ 1,000 × CPM
4

Budget to cost per result

Divide the budget by your results. Ads Manager shows the same number per campaign.

Cost per result = budget ÷ results

How to use the numbers

Work on CTR first

Your CTR sets how many impressions you must buy. Move it from 1% to 2% and you need half the budget for the same results, if CPM holds.

Cheap CPM is not a win by itself

Broad audiences often cost less per 1,000 views. Judge them by cost per result, not by CPM.

Give Meta room to learn

Meta suggests a daily budget of at least 5 times your cost per result goal. The calculator checks this for you.

Plan with VAT included

If you pay with a Bangladeshi card, tick the VAT box. Then your monthly card bill matches the plan.

Worked example

A shop that wants 200 WhatsApp messages

An online clothing shop in Mirpur wants 200 WhatsApp messages a month from a Meta campaign. These are example numbers, not real shop data.

  1. 1Goal 200 messages. CPM BDT 120. Link CTR 1.5%. Conversion rate 8%.
  2. 2Link clicks needed: 200 ÷ 8% = 2,500.
  3. 3Impressions needed: 2,500 ÷ 1.5% = 1,66,667.
  4. 4Ad budget: 1,66,667 ÷ 1,000 × BDT 120 = BDT 20,000, about BDT 658 a day.
  5. 5Cost per message: 20,000 ÷ 200 = BDT 100. Cost per click: BDT 8.
  6. 6With 15% VAT the card bill is BDT 23,000. Meta's 5x check: 5 × BDT 100 = BDT 500 a day, and the plan spends BDT 658, so it passes.

A message is not a sale. Track how many chats turn into orders, then use the ROAS calculator.

Go further

Read and get help

ServiceMeta Ads management

Facebook and Instagram campaigns with Advantage+, creative testing and Conversions API.

Free toolROAS and break-even calculator

Check if the sales from your ads leave a profit after product and delivery costs.

GuideFacebook ads cost in Bangladesh

What you really pay after VAT and the dollar rate, with a budget plan you can copy.

GuideSocial media marketing for Bangladeshi businesses

How to plan content and ads that people in Bangladesh actually respond to.

Questions

About the facebook ads budget calculator

How much should I spend on Facebook ads per month?
Work back from the results you want: results ÷ conversion rate ÷ CTR ÷ 1,000 × CPM. That gives a budget tied to a goal. Many small shops in Bangladesh start with roughly Tk 500 to Tk 1,500 a day for a 7-day test, then scale what works.
What is a good CPM for Facebook ads in Bangladesh?
There is no official benchmark. As a rough planning range, CPM often falls between Tk 30 and Tk 250. Narrow targeting and busy sale seasons push it up. Judge results by cost per result, not CPM.
Where do I find my CTR and conversion rate?
In Ads Manager, add the columns CTR (link click-through rate), Link clicks and Results. Conversion rate is results ÷ link clicks. If you have no data yet, try a low and a high value to see the range.
Do I pay VAT on Facebook ads in Bangladesh?
Usually yes. Bangladeshi bank cards add 15% VAT to each Meta charge. Tick the VAT box to include it, and check your card statement for any extra bank fees.
What does cost per result mean?
It is ad spend divided by results, such as messages, leads or purchases. Ads Manager shows it for every campaign. It is the most useful single number for judging an ad.
How does the 5x daily budget rule work?
Meta suggests a daily budget of at least 5 times your cost per result goal. If you aim for Tk 200 per lead, plan at least Tk 1,000 a day. Below that, the campaign may learn slowly.
Is boosting a post the same as this?
The maths is the same. A boosted post gives you fewer targeting and tracking controls than Ads Manager, so results can be harder to measure.

Want Meta ads that pay for themselves?

Book a free 15-minute call. I look at your page, offer and current ads before we talk, and tell you honestly what budget makes sense.

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