2025 Standard Tax Deduction Amount Married. Use this worksheet to figure the amount of your projected withholding for 2025, compare it to your projected tax for 2025, and, if necessary, figure any adjustment to the amount. If you’re married and filing jointly or you qualify as a widow(er), it.

Here are the standard deduction amounts set by the irs: The additional standard deduction amount for 2025 (returns usually filed in early 2025) is $1,550 ($1,950 if unmarried and not a surviving.