All Financial Calculators

Free tools for gig workers, freelancers, and self-employed professionals. No login. No data stored.

Compound Interest & Savings

500K monthly searches — the most popular financial calculator online.

Interest compounded every day for maximum returns.

HYSA and savings account earnings with 4–5% APY.

Certificate of Deposit earnings with daily or monthly compounding.

Project your 401k retirement savings growth over time.

Tax-free Roth IRA growth — see the power of time.

How much you need and how long to save it.

Full tax estimate: SE tax + federal income tax + quarterly payments.

Social Security + Medicare tax for sole proprietors.

Built for Uber, DoorDash, Instacart, Etsy, and more.

Exact amounts due on all 4 IRS estimated tax deadlines.