USD
%
The SEP IRA Calculator helps self-employed individuals and small business owners calculate their maximum SEP IRA retirement contributions. Based on 2025 IRS limits: 25% of compensation up to $70,000. All calculations run locally in your browser β your data stays private. Supports Sole Proprietor, S Corp, C Corp, and Partnership entities. Simple, instant results. Built with pure front-end technology for speed and security.