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As a small business owner myself, I know what it’s like for businesses to be wary about investing in Facebook ads. That’s why I created a nifty Facebook ads ROI calculator which will help you see if you can expect a positive return on your investment in Facebook ads or not.

How Facebook Ads ROI Calculator Works

Facebook Ads Calculator

How to Calculate Facebook Ads ROI 


How the Facebook Ads ROI Calculator Works

The way this calculator works is pretty simple. The ROI (Return on Investment) calculator provided is designed to estimate the potential profitability of Facebook Ads based on various input parameters.


  • Monthly Ad Spend
  • Monthly Expenses
  • Campaign Duration
  • Average Clicks
  • Website Conversion Rate

Each of these variables will change a bit over time but the calculator should give you a rough idea of when your ads are profitable and when they are not.

Facebook Ads are a Waste of money if you spend less than $1000 a month.

Based on my experience working with Facebook ads, I set a couple of limitations. First, you need about $1000 per month on Facebook ads before you can start to turn a profit. Unfortunately, anything less than that is a waste of money and would be better suited just by hiring a good accountant or using it to demonstrate growth to qualify for a business loan.

Facebook Ads ROI Improves with Time

One of the key metrics I included on my calculator below is a Campaign duration and I started it at 6 months. Unfortunately, most businesses regardless of how great or how little competition there is, won’t be able to turn a profit on Facebook ads in less than 6 months’ time.

By giving Facebook and Social media ads at least 6 months, you allow the Facebook algorithm to go through a learning phase, better targeting, and Ad performance optimization and can get better results through Ad Creative testing and Audience insights.

Facebook Ads ROI improves with Dynamic Ads and Retargeting

When you are just getting started, facebook ads will be all over the place as it runs experiments and tries to find a good demographic for your ads to target. At a minimum, you need to be running ads for at least 6 months before you can see the value of Dynamic Ads and Retargeting.

Dynamic ads and retargeting strategies become more impactful over time. As users interact with a website or engage with previous ads, advertisers can retarget them with personalized and relevant content, increasing the likelihood of conversions.

Facebook Ads ROI Calculator






What is the ROI Formula for Facebook Ads?

The ROI (Return on Investment) formula for Facebook Ads, as well as for any advertising campaign, is calculated using the following formula:

ROI = [(Revenue – Expenses) / Expenses ] * 100

Here’s a breakdown of the components:

1. Net Profit:

– The net profit is the total revenue generated from the Facebook Ads campaign minus all associated costs. This includes the revenue generated from conversions, subtracting the cost of goods sold (COGS), advertising costs, and any other expenses related to the campaign.

2. Cost of Investment:

– The cost of investment represents the total amount spent on the Facebook Ads campaign. This includes the actual ad spend, as well as any additional costs such as fees, production costs, and other expenses directly associated with running the campaign.

3. ROI Calculation:

– The formula divides the net profit by the cost of investment and multiplies the result by 100 to express the ROI as a percentage. The formula provides a percentage that indicates the return achieved for every dollar invested in the advertising campaign.

Mathematically, the formula can be expressed as:

Facebook Ads ROI Formula Graphic

It’s essential to note that a positive ROI indicates a profitable campaign, while a negative ROI suggests that the campaign did not generate enough revenue to cover its costs. Advertisers typically aim for a positive ROI to ensure that their advertising efforts contribute to overall profitability. Keep in mind that the specific components of the formula may vary based on individual business models and the level of detail considered in the calculation.

Thanks for reading to the end of this post. If you find the information I provide to be helpful, you may want to consider working with me as your web designer or marketing consultant.

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