Savings Account vs Paying Off Debt: The Real Math on Where Your Cash Should Go
Here's a question I get constantly: "I've got some money in savings. Should I leave it there for safety, or throw it at my credit cards?"
Brian walks through it on video.
Most answers you'll find online are opinions. Let's use numbers instead. Because once you put the interest rate your savings account pays next to the interest rate your debt charges, the decision usually stops being a debate.
What a savings account actually pays
The average national deposit rate for savings has been running under half a percent — around 0.46% one year and about 0.41% the next. A 3-month CD paid roughly 1.69%, then about 1.42%. A 3-month treasury paid about 5.42%, then about 4.32%.
Those are the safest places to park dollars. They're also the lowest-paying, and most people's cash isn't in treasuries — it's sitting in a plain savings account at their bank earning that fraction of a percent.
Now put inflation next to it. Headline inflation came in around 2.4% for a recent March reading, after drifting down from about 3.5%. A different measurement site showed about 1.42% using its own method. And during the worst of it, inflation spiked as high as 9%.
Here's the part people miss: when inflation comes back down, prices don't. A drop from 9% to 2.4% means prices are still rising, just slower. For those past increases to reverse, you'd need a long stretch of zero or negative inflation. That hasn't happened.
The simple test
If your savings account pays 0.41% and inflation runs 2.4%, your money is losing about 2% of its buying power every year while sitting still. Safe in dollar terms. Shrinking in real terms.
What your debt charges
Now flip to the other side of the ledger. Credit cards commonly charge 20% to 26%. Car loans can run anywhere from 5% to 25% depending on credit. Mortgages sit somewhere in the middle.
Your card doesn't care about inflation, the Fed, or what gold did last year. It charges you its rate every single month, guaranteed.
So the comparison is:
| Where the money sits | Approximate annual rate | Guaranteed? |
|---|---|---|
| Savings account | 0.41% | Yes |
| 3-month CD | 1.42% | Yes |
| 3-month treasury | 4.32% | Yes |
| Credit card balance (cost) | -22% | Yes |
Paying off a 22% credit card is the only "investment" I know of that pays 22%, guaranteed, with zero market risk. It just doesn't feel like investing because nothing shows up in a brokerage account.
A worked example with simple numbers
Let's say you have $5,000 in savings and $5,000 on a credit card at 22%.
Option A: leave the cash alone
Savings at 0.41% earns you about $20.50 over the year.
The credit card at 22% costs you about $1,100 in interest over the year (roughly, if the balance stays flat).
Net result: you're down about $1,080 for the year. And that $5,000 in savings bought about 2.4% less than it did a year ago.
Option B: pay off the card
You wipe the balance. You earn $0 in interest, because the savings account is empty. But you also stop paying $1,100.
Net result: you're up about $1,080 compared to Option A. Same person, same money, one decision.
Option C: the middle ground most people actually use
Keep a small cash cushion — enough that a flat tire or a vet bill doesn't go right back on the card — and send the rest at the balance.
Say you keep $1,000 and pay $4,000 toward the card. The remaining $1,000 balance costs about $220 a year instead of $1,100. You saved about $880 and still have a buffer. That buffer matters, because putting an emergency back on a 22% card undoes everything.
Run your own version in the Credit Card Payoff Calculator — put in your balance, your rate, and your payment, then try it again with a lump sum applied.
Why "but what about investing?" doesn't change the answer
People look at what assets did over the last year and feel like they're missing out. And the numbers are real. Over one recent twelve-month stretch, gold moved from roughly $2,000 an ounce to about $3,300 — about a 75% gain. Silver went from $22.88 to $33.24, about 50%. Bitcoin went from about $43,000 to about $95,000, more than double. The Dow was up about 5%; the S&P 500 about 10%.
But notice something else in that same list: Ethereum went from about $2,299 down to about $1,800. It lost money. That's the whole point — asset returns are uncertain. Some years they're huge. Some years they're negative.
Your 22% credit card rate is certain. When you're choosing between a guaranteed 22% return and an uncertain one, the guaranteed one wins every time. There's no version of this where carrying a 22% balance to chase a maybe makes sense.
Once the high-interest debt is gone, the conversation changes completely. Then you're comparing a 0.41% savings account to assets, and that's a very different question. I go deeper on that ordering in Investing While in Debt.
What about lower-rate debt?
This is where it gets less obvious. If your only debt is a car loan at 5% or a mortgage at 6%, paying it off is still a guaranteed return — just a smaller one. At that point the choice between paying it down and building assets is closer, and it comes down to your risk tolerance and how much the monthly payment is squeezing you.
A few things worth knowing:
- The 2-year treasury sat around 3.78% and the 10-year around 4.2% in one recent reading. Longer money paying more is the healthy shape.
- The 10-year treasury tracks 30-year mortgage rates more closely than almost anything else, so it's a decent hint at where mortgage rates are heading.
- Unemployment moved from about 3.9% to 4.2% over a year. Small on paper, but it's a reminder that job income isn't guaranteed — another reason for a cash cushion.
Run your own numbers on the Mortgage Calculator with Savings Calculation or the Auto Loan Early Payoff Calculator before you decide.
A practical order of operations
- Build a small cash cushion. Enough to keep emergencies off the credit card.
- Attack the highest-rate debt. That's the guaranteed return nobody can take from you. Pick a method with Avalanche vs. Snowball.
- Check for a cheaper rate. A 0% balance transfer or a refinance can cut the cost of the same balance — see the Balance Transfer Break-Even tool.
- Track it. Momentum comes from seeing the number fall. Use the Debt-Freedom Tracker.
- Then think about assets. Once the high-rate debt is gone, a fixed amount every month beats trying to time anything.
The bottom line
Money in a savings account earning 0.41% while inflation runs 2.4% is quietly losing ground. Money sitting in savings while a 22% credit card runs in the background is losing ground fast — about $1,080 a year on a $5,000 balance in the example above.
Keep a cushion so an emergency doesn't set you back. Then put the rest against the highest rate you're paying. It's not exciting, there's no chart going up and to the right, but it's the highest guaranteed return available to you right now.
Start with your actual numbers in the free calculators and see it for yourself.
This is general education, not financial advice. Do your own research and make the call that fits your situation.