High-Yield Savings Calculator

Calculate interest earned in a high-yield savings account vs traditional checking.
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Use the High-Yield Savings Calculator above to calculate your results. Enter your values and see instant results — all calculations run in your browser.

Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.

How It Works

Our High-Yield Savings Calculator helps you visualize the power of compounding interest by comparing the potential earnings of a high-yield savings account (HYSA) against a traditional checking account. With average HYSA rates projected around 4.50% by 2026 and checking accounts often near 0.05%, this tool highlights the significant difference in growth for your savings.

The calculator uses a simple interest formula for both account types, compounded monthly. For each month, the current balance is multiplied by the annual percentage yield (APY) divided by 12. This calculated interest is then added to the principal to determine the new balance for the following month.

A common mistake is underestimating the long-term impact of even small interest rate differences. Also, remember that while APYs are subject to change, consistently higher rates will always outperform lower ones. Don't forget to factor in potential inflation when evaluating real returns.

Saving for a Down Payment

  1. 1 Enter an initial deposit of $10,000 and a monthly contribution of $500. Set the investment horizon to 3 years.
  2. 2 The calculator will apply a 4.50% APY for the HYSA and a 0.05% APY for the checking account, compounding monthly over 36 months.
  3. 3 After 3 years, your HYSA balance could be approximately $29,915, while your checking account would be around $28,015. That's nearly $1,900 more in interest!
  4. 4 This example demonstrates how a high-yield savings account can significantly boost your savings over time, especially for larger goals like a down payment, compared to letting your money sit in a low-interest checking account.

Source: SEC · Last updated: April 2026

Frequently Asked Questions

How much interest can I earn in a high-yield savings account?
As of 2026, top HYSAs offer 4-5% APY. On a $10,000 balance, that earns $400-$500 per year, compared to about $5-$10 in a traditional savings account at 0.05-0.10% APY. Interest is compounded daily in most HYSAs.
Are high-yield savings accounts safe?
Yes, if the bank is FDIC-insured (or NCUA-insured for credit unions). Your deposits are protected up to $250,000 per depositor per institution. Online banks offering higher rates are just as safe as traditional banks in this regard.
Is a HYSA better than a CD?
A HYSA offers flexibility to withdraw anytime, while CDs lock your money for a fixed term at a guaranteed rate. When HYSA and CD rates are similar, the HYSA is usually better due to liquidity. CDs are better when you want to lock in a high rate before rates drop.

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