Tax Guides for Married Couples
Practical, jargon-light explainers on the tax issues that matter most to married couples filing jointly — W-4 withholding, MFJ vs MFS, the marriage penalty, recent law changes, and more.
The Marriage Tax Penalty in 2026: Who Pays It and How Much
May 10, 2026
The federal brackets don't create a marriage penalty for most couples — but four other parts of the tax code do. Here's where the real penalty hides and how big it gets.
OBBBA Tax Changes for Married Couples: What's Different in 2025 and 2026
May 10, 2026
The One Big Beautiful Bill Act made several changes affecting joint filers. Here's a plain-English summary of the standard deduction bump, the Child Tax Credit increase, and what stayed the same.
The Two-Earner W-4 Trap: Why Most Couples Owe at Tax Time (and How to Fix It)
May 10, 2026
When both spouses work, the default W-4 settings almost always under-withhold. Here's why, and three ways to fix it for 2026.
W-4 Step 2(c) vs Step 4(c): Which Two-Earner Fix Is Right for You?
May 10, 2026
The IRS gives two-earner couples two ways to fix W-4 withholding. They produce different results, and the right one depends on how similar your incomes are.
Standard vs Itemized Deductions for Married Couples in 2026 (Post-OBBBA)
May 10, 2026
With the 2026 MFJ standard deduction now $32,200, fewer couples benefit from itemizing. Here's the math on when it still wins.
Married Filing Separately: When It Actually Saves Money
May 10, 2026
MFS costs most couples more, but there are four specific scenarios where filing separately wins. Here's how to recognize them.