Simple Interest
Articles, guides, and in-depth tips for the Simple Interest — everything you need to get the most out of it.
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The Flat-Rate Loan Costs Twice What It Claims — Simple Interest, APR Regulation, and the Rule of 78s
Simple Interest vs Compound Interest: A Side-by-Side Comparison That Shows Why Time Horizon Changes Everything
Simple and compound interest on the same £10,000 at 8% look similar over 5 years — but over 25 years the compound total is almost 3.5× the simple total. Here's the formula comparison side by side, when each actually applies in real financial products (flat-rate loans, Treasury Bills, savings accounts), how compounding frequency affects the effective rate (APR vs AER), and why the asymmetry makes compound interest simultaneously the borrower's worst enemy and the long-term saver's best friend.
Microfinance, Grameen Bank, and Mobile Money: How Simple Interest Shapes Credit in Emerging Markets
Before Grameen Bank, banks assumed poor people couldn't repay debt. Group lending with social collateral proved them wrong. Here's how the Grameen model works, why microfinance rates look high but are often justified, how M-Pesa digital credit transformed Kenya, and the debt trap problem in over-indebted markets.
Treasury Bills, Yield Curves, and Simple Interest: How Short-Term Government Debt is Priced
Treasury bills are priced using simple interest on a discount model — you pay less than face value and receive face value at maturity. Here's how T-bill discount rates work, the yield curve and what inversions signal, real vs nominal yields, and how simple interest appears in overdrafts and trade credit.
Simple Interest Calculator — Understand Flat-Rate Loans and Their True Cost
Learn how simple interest differs from compound interest, where it's still used in modern finance, why flat-rate loans cost far more than their headline rate suggests, and how to use a free simple interest calculator.
Simple Interest Calculator — Formula, Examples & When to Use It
Learn how simple interest works, how it compares to compound interest, and when it's still used in loans and savings — with the formula, worked examples, and a free calculator.
