Here's How 6 Credit Card Applications in 1 Day Affected My Credit Score

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Want the scoop on how credit card applications affect your credit score? It's probably less than you think.

Conventional wisdom says that you should be selective about your credit card applications, because each one results in a hard inquiry that can cause your credit score to go down. While that's technically true, it also exaggerates just how much of an impact those hard inquiries have on your score.

If you want to know the truth on what kind of drop to expect, take a look at what the numbers say and my own firsthand account after a slew of credit card applications.

How much will one credit card application affect your score?

Each bank runs a hard inquiry on your credit file when you apply for a credit card with them. One hard inquiry, on average, brings a FICO® Score down less than five points. Considering scores range from 300 to 850, five points or less isn't much damage.

Now, that's just the average, and the effect of a hard inquiry also depends on your credit history. If you don't have much credit history yet, one hard inquiry could have a greater impact on your score.

Keep in mind also that when you successfully apply for a credit card, that new card will reduce your average account history age (unless it's your very first credit account). That's another factor that can decrease your credit score.

What about multiple applications?

Maybe you're interested in getting a couple new credit cards, which means multiple hard inquiries on your credit file.

Again, there's no cut-and-dry answer to how much this will affect your credit, because it depends on your credit history. Each hard inquiry can cause your score to drop a small amount, but if you have a short credit history, those small drops add up. And multiple new credit accounts can also lower your average account age quite a bit, which may hurt your score.

On the other hand, if you have an excellent credit score, applying for multiple credit cards likely won't be a problem, because the more-important scoring factors (payment history and credit utilization) will already be working in your favor.

How six applications affected my credit score

For a firsthand example, check out what happened to my credit score after I applied for six credit cards in one day in the middle of August. In case you're wondering, I decided to get a few new cash-back cards to earn more back. First, here's my FICO® Score with Experian:

Image Credit: American Express

As you can see, my score hasn't changed much. Here's what it was for the last four months:

• July 11 (before those credit card applications) -- 765
• Aug. 22 (immediately after) -- 763
• Sept. 19 -- 760
• Oct. 20 -- 756 

Since FICO® Scores are by far the most popular, that's the score to focus on when monitoring your credit. However, VantageScore has been growing in popularity, so it's also worth a look. This is what my VantageScore with TransUnion looked like before and after my credit card applications:

Image source: Getty Images

Source: Chase Credit Journey

This one has fluctuated more, but it's still a high score. Part of the reason it has dropped is because my new credit cards are lowering my average account history.

How to protect your credit

Although multiple credit card applications usually aren't a problem, they can hold you back if you're building your credit. Here's how to approach new credit card applications at each credit score range:

• You're starting to build credit or rebuilding bad credit -- Avoid new credit applications whenever possible. If you don't have a credit card yet, look at secured credit cards, or student credit cards if you're in college, and then use that to improve your credit score.
• You have fair to good credit -- Limit your credit card applications. You may want to try getting one of the best travel rewards cards, cash back cards, or 0% intro APR cards depending on your financial goals, but you should keep applications to a minimum until you've attained an excellent credit score.
• You have excellent credit -- Apply for new cards when you want and it makes sense for you. At this score range, hard inquiries won't matter much. The only time you should specifically hold off on applications is when you plan to apply for a personal loan or a mortgage, as you'll want to qualify for the lowest-possible APR.