Financial Calculators

Free tools to plan your investments, calculate returns, and make smarter financial decisions.

How to Choose the Right Calculator

Each calculator is designed to answer a specific planning question, such as projected growth, required monthly contributions, or target timeline outcomes. Start with one scenario, then adjust assumptions like return rate and contribution amount to compare realistic outcomes.

Use these tools as an educational planning aid and combine results with your risk profile and long-term goals before making any investment decision. A calculator can show the arithmetic behind an assumption, but it cannot know your tax position, emergency needs, account rules, or comfort with market risk.

For long-term growth questions, begin with the Compound Interest Calculator or the Investment Return Calculator. Both help compare the effect of time, contributions, and a range of assumed returns. If your question is tied to a specific objective, use the Savings Goal Calculator to estimate a contribution timeline or the Retirement Calculator to model a longer planning horizon.

The ROI Calculator is useful for comparing the gain or loss on two ideas, while the Dividend Calculator focuses on income and reinvestment scenarios. The Inflation Calculator helps translate future dollars into today’s purchasing power. No single result is a recommendation; use several scenarios to understand which assumptions have the greatest effect.

Calculator comparison

Choose a calculator by planning question
Calculator	Best for	Key inputs
Compound Interest	Long-term compounding scenarios	Starting balance, contributions, rate, time
Investment Return	Growth and contribution projections	Balance, deposits, return, years
Retirement	Retirement savings planning	Savings, contributions, return, inflation
ROI	Comparing investment outcomes	Cost, ending value, relevant income
Dividend	Income and reinvestment illustrations	Investment, yield or dividend, reinvestment
Savings Goal	Target-date saving plans	Goal, current savings, contribution, time
Inflation	Purchasing-power estimates	Current amount, inflation rate, years

When comparing scenarios, change one input at a time. For example, lower the assumed return before increasing the contribution, or extend the timeline before changing the target. This makes it easier to see what is doing the work in the result. Save a conservative scenario as well as an optimistic one, especially for goals with a fixed date.

Every calculator on MindFolio is free to use and designed for educational planning. Outputs are estimates, not guarantees, and they do not include every possible fee, tax, or life event. Read the explanatory notes below each tool and review our Financial Disclaimer before acting on a result.