At 6% simple interest, $10,000 earns exactly $600 in one year. This is the simplest interest calculation: $10,000 × 0.06 × 1 = $600. After one year, your total balance would be $10,600. This makes it easy to compare rates between different 1-year financial products.

Common 1-year simple interest products include treasury bills, short-term certificates of deposit, some corporate bonds, and personal loans. Many promotional bank rates are also quoted as simple interest for a 1-year introductory period. Always check whether the quoted rate is simple interest or APY to make accurate comparisons.

Over just one year, the difference between simple and compound interest is relatively small but still exists. At 6% on $10,000, daily compound interest earns about $618 versus $600 for simple interest, a difference of $18. While modest, this gap increases with higher principal amounts, so it's still worth considering for larger sums.