New Hampshire Self-Employment Tax Calculator — 2026

Calculate your self-employment tax liability including Social Security and Medicare contributions. Free calculator with New Hampshire-specific rates.

Quick New Hampshire Tax Estimate

Based on New Hampshire's tax rates for 2026. Enter your details for a personalized calculation.

State Tax on $80K Profit
$0
SE Tax
$11,303.64
Effective Rate
20.2%
Marginal Rate
12%
Full New Hampshire Tax Calculator →

New Hampshire Tax Information

State Income TaxNone — no state income tax!
Sales Tax0%
LLC Filing Fee$0
Annual Report Fee$None
Standard DeductionN/A

New Hampshire has no state income tax. Self-employed only pay federal self-employment tax.

New Hampshire Quarterly Tax Deadlines

Q1
Apr 15
Q2
Jun 16
Q3
Sep 15
Q4
Jan 15

Frequently Asked Questions

What is the self-employment tax rate in New Hampshire?
Self-employment tax has two parts: 12.4% Social Security tax and 2.9% Medicare tax, totaling 15.3% federally. New Hampshire's state income tax (if applicable) is additional. Use our calculator above for your personalized rate.
Do I need to pay estimated taxes in New Hampshire?
Yes. If you expect to owe $1,000 or more in taxes, the IRS requires quarterly estimated tax payments. New Hampshire may have its own threshold. Our quarterly tax calculator helps you determine exact amounts.
What deductions can I claim as self-employed in New Hampshire?
Common deductions include home office ($5/sq ft), health insurance premiums (100%), retirement contributions (SEP IRA up to $69,000), business equipment, vehicle expenses, and professional services. Use our deduction checklist for the full list.
How does a 1099 work in New Hampshire?
If you earn $600+ from a client, they should issue Form 1099-NEC. You're responsible for reporting all income and paying self-employment tax on your net profit, regardless of whether you receive a 1099.
Should I form an LLC in New Hampshire for tax savings?
An LLC alone doesn't change your tax rate — you still pay the same self-employment tax. However, electing S-Corp status can save thousands if your net profit exceeds $60,000-80,000. Use our business structure optimizer to compare.