Chargeback ratio: What is it and how do you calculate it?

Simply put, your chargeback ratio is an aggregate of your sales compared to the number of chargebacks you received in a given month.


Tom-Chris Emewulu

2 years ago | 4 min read

Simply put, your chargeback ratio is an aggregate of your sales compared to the number of chargebacks you received in a given month. 

The card brands have different ways of calculating a vendor’s chargeback ratio. However, what’s uniform across the board is that your chargeback ratio is the same as your chargeback rate. Plus, your chargeback ratio can make or mar your business - and you must understand the stories they tell about your eCommerce.

This article seeks to help clear the confusion many merchants have regarding this all-important KPI and help you make the most of the data it presents.

How can I calculate my chargeback ratio?

Before we answer that question, it’s crucial to point out that one primary reason for merchant confusion regarding the chargeback ratio is because it goes by various names in the industry. In some circles, it’s called chargeback-to-transaction. In others, it’s known as chargeback rate or chargeback-to-sales ratio. 

Generally, most people call it chargeback-to-transaction ratio. Whatever be the case, what’s straightforward is that all of those descriptions ultimately refer to the measure of your transactions that result in chargebacks.

Now, deriving the chargeback ratio is not complicated. The formula is quite straightforward.

You calculate your chargeback ratio as follows: 

Number of chargebacks in a given period divided by the number of transactions in the same period. 

What is an acceptable chargeback ratio?

As we established earlier, every card brand has a unique way of determining a merchant’s chargeback ratio. The formula, though, is uniform, which is the number of chargebacks in a given period divided by the number of transactions in the same period.

The difference is in the source of their data for the computation. 

For example, Mastercard derives your chargeback rate by dividing the number of transactions processed by chargebacks filed in the preceding month. But over at Visa, they divide by the number of transactions a merchant processed by the number of chargebacks filed during the current month. 

Discover and AmEx go the same route with Visa. 

Nevertheless, because each card brand only uses transactions processed through their network for the computation, you’ll end up with a different chargeback ratio for each network.

So, what’s an acceptable chargeback rate? 

To a lot of merchants, the answer is 1%. And that might be factual, generally speaking. But in reality, that’s not a present-day reality, as you’ll see in a second.

Visa and Mastercard establish their standard thresholds with several figures to serve as reference points. Case in point, in 2019 Visa pegged their acceptable chargeback threshold at 0.9% of month-on-month transactions. Yet, they kept their “Early Warning” threshold at 0.65% of month-on-month transactions and the “Excessive Chargeback Rate” at 1.8%.

Over at Mastercard, merchants that cross the 100-chargebacks-per-month or 1% chargeback ratio threshold are classified as “Chargeback Monitored Merchants.” And 100 chargebacks per month or a ratio of at least 1.5% for two consecutive months results in the “Excessive Chargeback Merchant” classification. So it's not enough to say 1% is the acceptable chargeback rate, you have to look at the fine print of individual card networks.

Keep in mind that banks also influence the percentage point of the acceptable chargeback ratio.

What happens if my chargeback ratio becomes too high?

Having a high chargeback-to-transaction ratio is bad news. 

First of all, you will be classified as a “high-risk merchant” and moved into a chargeback monitoring program - which is their way of forcing you to correct the issue. And entering the chargeback monitoring program means you’ll ultimately incur excessive fees for every transaction. 

Take Mastercard’s Excessive Chargeback Program as an example. They mandate every acquiring bank to provide monthly reports stipulating activities of any listed merchant. And they charge from $50 to $300 per bank report. Not filling the report attracts penalties of as much as $1,000/report. 

And they’re not the online card brand that take such stand. Visa’s Fraud Monitoring Program charge merchants in their high-risk tier close to $100 per chargeback incurred.

Although they levy these fees to your acquiring bank, the banks automatically pass the fees on to you with considerable service fees. When you do the math, the penalties and fees for breaching the acceptable chargeback rate are humongous.

But that’s only on the economic side of things. Being a high-risk merchant could also force your acquirer to put your merchant’s account on hold. And having a merchant account reserve could lead to an ultimate termination of your account. 

Without an account, you’re completely screwed. You can’t process any money.

How can I keep my chargeback rate low?

Even though some merchants think that chargebacks are a cost of doing business, the actual cost of a chargeback is enormous. We've done the math. For every $1 of chargeback, you lose close $3. Statistically, 60% to 80% of all chargebacks are potential cases of friendly fraud. And as we noted earlier, exceeding the acceptable chargeback rate puts your business in a difficult situation. 

Although you might be able to operate with a high-risk merchant account, it won’t be a ride in the park due to hefty processing fees and penalties. Hence, it makes absolute sense always to track your chargeback rate and do everything you can to thwart potential chargebacks in their tracks.


For starters, do your due diligence and stop chargebacks arising from avoidable merchant errors. Play by industry standards and be guided by the issuer’s regulations on authorization codes. Use fraud detection protocols and evaluate every transaction for fraud. Don’t stop there. Evaluate the entire customer journey as well, and be sure your sales process isn’t a roadblock. 

Does your product description say the same thing as the product images? Can customers easily find your contact details and get helpful, timely response when they reach out? Do customers know when their orders will arrive, how to return any faulty product, and when to expect their refund? 

Once in a while, be the customer and buy from your store to experience things for yourself.

If you want to move a step above the basic requirements (with 50% more success rate), here it is: automate your chargebacks. Utilizing Chargeflow's dispute automation will save you all the nightmare of fighting to maintain the status quo. 

As you already know, once a chargeback happens, the damage is done. And if you don’t have accurate data and an informed mitigation framework to stop the cycle, they’ll keep happening. With Chargeflow’s expertise and proven methodologies, you can stop and recover chargebacks on autopilot. With Chargeflow, you can quickly break the variables in your chargeback rate and see how to close the loopholes that cost you money, better forecast your revenue, and grow your eCommerce with ease! 

Join 500+ leading eCommerce brands in our exclusive early access program here.


Created by

Tom-Chris Emewulu

I help entrepreneurs and rising professionals to be successful. I have consulted for brands such as the MasterCard Foundation, GIZ, British Council, and Seedstars, to name a few. And my work has been featured in Forbes, DW, Business Insider, SABC, and many other publications. Besides providing outside insights that help high-growth firms scale up faster, I'm also your guy if you need an SEO content writer to get you on page 1 of Google search ranking. You can find me on Social Media via @tomchrisemewulu.







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