Historical Inflation This calculator shows how inflation over the years has impacted purchasing power. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Share | Related Content The Power of Compound Interest Learn how to harness the power of compound interest for your investments. The Average American Budget Learn about the average American budget in this fun and interactive piece. Your Cash Flow Statement A presentation about managing money: using it, saving it, and even getting credit.