Free Finance Calculators for Freelancers and the Self-Employed
These free calculators answer the money questions freelancers and solo business owners search most: what you'll owe in tax, and what to set aside each quarter. Every one uses 2026 IRS figures and links to its sources.
Taxes
Self-Employment Tax Calculator (2026)
Social Security and Medicare on net profit, plus the half you can deduct.
1099 Tax Calculator: Estimate What You'll Owe in 2026
Federal income tax and self-employment tax on 1099 profit.
Quarterly Estimated Tax Calculator for the Self-Employed (2026)
The smaller safe-harbor amount, split across the four 2026 due dates.
Keep the records these estimates start from
Avery organizes income and expenses for freelancers and one-person businesses. Basic is $9.99/mo and Pro is $29.99/mo. Avery does not file your taxes.