Follow the steps to complete AL Form 40ES online.

1. Click ‘Get Form’ button to access the form and open it in the editor.
2. Begin by entering your name in the designated field. Ensure correct spelling and include middle initials if applicable.
3. Provide your social security number in the specified space, noting that if this is a joint estimated tax, you must also input your partner's social security number.
4. Enter the total amount of adjusted gross income you expect for the taxable year in the appropriate box.
5. If you plan to itemize deductions, input the total expected deductions. If not itemizing, enter the standard deduction amount as per the guidelines.
6. Record the calculated federal income tax liability for the taxable year in the provided field.
7. Total the values from lines 2 and 3 and enter the result in the designated area.
8. Subtract the value from line 4 from the adjusted gross income on line 1, and enter this balance as specified.
9. Input any personal exemptions and dependent exemptions based on the included instructions.
10. Calculate your estimated taxable income by subtracting line 6 from line 5 and enter this amount.
11. Follow the tax rates outlined to compute the tax owed based on your estimated taxable income.
12. Add the totals from the calculations above to find your estimated tax. If it's under $500, note that no estimated tax filing is required.
13. Complete any remaining sections for record-keeping, including summarizing overpayment credits, and payments made.
14. Once all fields are completed accurately, save the changes, download, print, or share the form as required.

Complete your AL Form 40ES online to ensure your estimated tax is accurately calculated and documented.