Plenvest makes free, no-signup financial calculators that show their work. Instead of a single number, every tool gives you an interactive chart and a year-by-year breakdown, so you can see how the result is built and what changes it — not just trust a figure.
What we cover
Our tools span the money decisions that compound over a lifetime: compound interest, savings, retirement, 401(k) and Roth IRA growth, Traditional vs Roth comparisons, the nest egg you need to retire, and mortgage amortization.
How we keep the lights on
We believe in being transparent about our model. Plenvest is free and supported two ways: advertising on the site, and connecting readers who want personalized help with licensed advisors at our partner agency. If you request a consultation, we share your details with that agency so an advisor can contact you — see our Privacy Policy.
Educational, not advice
Our calculators are educational tools that produce estimates from the assumptions you enter. They are not financial, tax, or investment advice, and using them does not create an advisory relationship. For how each tool is built and its limitations, see our Methodology.