At 4% simple interest, $10,000 earns $400 per year, totaling $2,000 over 5 years. Your final balance would be $12,000. The interest earned each year is consistent and predictable, which makes simple interest easy to plan around for budgeting and financial goal setting.

A 4% simple interest rate is competitive for low-risk fixed-income products like CDs and treasury securities. While stock market investments have historically returned more, they come with higher risk and volatility. For capital preservation with guaranteed returns, 4% on $10,000 provides a reliable $400 annual income with no risk to your principal.

Multiply the principal ($10,000) by the rate (0.04) and the loan term (5 years): $10,000 × 0.04 × 5 = $2,000 in total interest. Add this to the principal for a total repayment of $12,000. Divide by the number of months (60) to get a monthly payment of approximately $200, making it easy to budget for repayment.