Financial tools that help you think.

Free, ad-free calculators with plain-English analysis, built for self-directed investors.

Compound Interest Calculator

Project long-term growth with monthly contributions and inflation. Get a plain-English read on what the number actually means.

Federal, state, and FICA breakdown. See real take-home pay across hourly, weekly, monthly, and annual views.

Short, plain-English articles on compounding, taxes, account structure, and the things financial marketing leaves out.