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How to File Self-Employment Taxes: Step-by-Step 2026

1 min readBy Editorial Team
Last updated:Published:

A step-by-step guide to filing self-employment taxes in 2026: Schedule C, Schedule SE, the 15.3% tax, quarterly estimates, and entity strategies.

How to File Self-Employment Taxes: Step-by-Step 2026

Self-employment tax catches many freelancers off guard. You owe both income tax and the 15.3% self-employment tax. Here is a clear step-by-step process for 2026.

Step 1: Track Income and Expenses

Log every 1099 payment and deductible business expense throughout the year.

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Step 2: Calculate Net Profit on Schedule C

Subtract business expenses from income to get net profit.

Step 3: Compute Self-Employment Tax

Use Schedule SE: 15.3% on 92.35% of net earnings, half of which is deductible.

Step 4: Pay Quarterly Estimates

Avoid penalties by paying estimated taxes four times a year.

Step 5: Use Software or a Guide

Tax software automates the math. For deep strategy, Lower Your Taxes Big Time is invaluable.

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FAQ

When are quarterly taxes due? Roughly April, June, September, and January.

Can an S-Corp reduce SE tax? Often yes, by splitting salary and distributions.

Conclusion

Self-employment tax is manageable with quarterly planning. Track expenses now and consider an entity review.

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