💹 Investment Calculator

Project your investment returns based on rate of return and time period.

What is a Investment Calculator?

Project your long-term investment growth based on a starting amount, annual additions, and an expected rate of return.

Balance = (Previous + Contribution) × (1 + Rate)

📝 In-Depth Guide: Mastering Investment Calculator

Investing is different from saving. While saving protects your money, investing aims to grow it significantly over time by taking calculated risks in the stock market, real estate, or other assets.

Risk vs. Reward

Higher potential returns usually come with higher risk. While stocks have historically returned ~10% annually, they are volatile in the short term. Bonds are more stable but offer lower returns. A balanced portfolio usually mixes both to manage risk while still achieving growth.

The 4% Rule

Many investors use our calculator to see when they will reach their "Number"—the portfolio size where they can live off the returns. The 4% rule suggests you can safely withdraw 4% of your portfolio each year in retirement without running out of money.

Example

📌 Example Calculation

Example: $5,000 start + $1,200/year for 20 years at 8% ≈ $84,400

Frequently Asked Questions

Historically, the stock market (S&P 500) has averaged about 7-10% annually before inflation.

The calculator applies the formula and assumptions explained on this page to the values you enter. Project your investment returns based on rate of return and time period. Use our free investment calculator online — instant results, no sign-up.

The arithmetic follows the displayed method, but accuracy depends on your inputs, units, assumptions, and rounding. Confirm important decisions with an authoritative source or qualified professional.