I updated the Estimated Quarterly Taxes template with the IRS’s 2024 rate information.
If you are more familiar than I am with tax rates and standard deductions, please take a moment to unhide the hidden area of the v1.07 template at right and validate the IRS data— especially M32-M36 and K38-P46— to ensure best-effort data-entry mistakes by me 
don’t derail your estimated payments.
Let me know if you see anything amiss.