You're not required to complete the Annualization worksheet to avoid an Underpayment Penalty. Since your Roth conversion was a one-time event, you could Delete Form 2210 from your return and let the IRS figure any penalty and bill you (which probably won't happen in your situation).
If you do complete the Annualization worksheet, you could take your 2024 income, divide by 4 and enter that amount for each of the four quarters, rather than doing all the work to calculate every income category.
Here's more detailed info on Form 2210.
@mdcbk
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