Use Schedule SE (Form 1040) to figure the tax due on net earnings from self-employment. The Social Security Administration uses the information from Schedule SE to figure your benefits under the social security program. This tax applies no matter how old you are and even if you are already getting social security or Medicare benefits. Current Revision Schedule SE (Form 1040)PDF Instructions for Schedule SE (Form 1040) | Print VersionPDF | eBook (epub)EPUB Recent Developments Taxpayer Relief for Certain Tax-Related Deadlines Due To Coronavirus Pandemic -- 14-APR-2020 Other Items You May Find Useful All Schedule SE (Form 1040) Revisions About Publication 225, Farmer's Tax Guide About Publication 334, Tax Guide for Small Business (For Individuals Who Use Schedule C) About Publication 517, Social Security and Other Information for Members of the Clergy and Religious Workers About Publication 555, Community Property Other Current Products Related Items About Form 1040, U.S. Individual Income Tax Return About Form 1040-NR, U.S. Nonresident Alien Income Tax Return About Form 1040-SR, U.S. Tax Return for Seniors About Form 1040-X, Amended U.S. Individual Income Tax Return About Form 1041, U.S. Income Tax Return for Estates and Trusts About Form 1065, U.S. Return of Partnership Income About Form 1065-B, U.S. Return of Income for Electing Large Partnerships About Schedule C (Form 1040), Profit or Loss from Business (Sole Proprietorship) About Schedule C-EZ (Form 1040), Net Profit from Business (Sole Proprietorship)