Married Filing Jointly Paycheck Calculator 2026
Filing as married filing jointly (MFJ) gives you a $30,000 standard deduction in 2026 — double the single amount. This directly increases your paycheck take-home.
Key 2026 MFJ numbers: Standard deduction $30,000 · Top bracket 37% starts at $731,200 · 22% bracket starts at $96,950 combined
Single vs Married Filing Jointly — Tax Comparison
| Combined Income | Tax (Both Single) | Tax (MFJ) | MFJ Savings |
|---|---|---|---|
| $80,000 ($40k each) | $8,756 | $5,528 | +$3,228 |
| $100,000 ($50k each) | $12,880 | $8,428 | +$4,452 |
| $120,000 ($60k each) | $16,680 | $12,228 | +$4,452 |
| $150,000 ($75k each) | $24,156 | $19,228 | +$4,928 |
| $200,000 ($100k each) | $38,724 | $34,148 | +$4,576 |
| $200,000 ($150k+$50k) | $35,056 | $28,928 | +$6,128 |
How to Update Your W-4 After Marriage
- Get a new W-4 form from your employer or download from IRS.gov
- Check box for Married filing jointly in Step 1(c)
- If both spouses work: use the IRS withholding estimator or check Step 2 box
- Submit to your payroll/HR department — takes effect next paycheck