The estimated payments are not based on what you owed but rather on your entire tax liability.
If you are asking about the estimated tax vouchers that TurboTax generated for 2025, you do not have to use those. TurboTax generates them as a suggestion.
You can use Form 1040-ES to calculate your estimated taxes. Form 1040-ES
There is a worksheet to calculate your estimated taxes.
The IRS has a calculator for determining withholdings: Tax Withholding Estimator
You can also calculate your 2025 estimated taxes and generate payment vouchers by doing this:
Click here for Can TurboTax calculate next year's federal estimated taxes?
Click here for "How Do I Make Estimated taxes"
Click here for additional information on "How to Determine What to Pay and When"
Click here for common questions on Estimated taxes.