Inflation silently erodes purchasing power over time. At an average annual inflation rate of 3%, prices double roughly every 24 years, meaning $100,000 kept in uninvested cash will only buy half as much.
This calculator evaluates how inflation compounds over 1 to 30 years, showing future price equivalents, the declining real value of cash, and total percentage purchasing power lost.
Frequently asked questions
What is a typical annual inflation rate?
Central banks typically target around 2–3% annual inflation in normal economic environments.
What is the Rule of 72?
Divide 72 by the inflation rate (e.g., 72 / 3 = 24) to estimate how many years it takes for prices to double.
中文说明
通货膨胀是财富无声的侵蚀者。在年均 3% 的通胀率下，物价大约每 24 年翻一番；这意味着如果不进行抗通胀投资，储蓄的实际购买力将随时间腰斩。
本工具帮您推演 1 至 30 年内通胀的复利影响，直观呈现未来等价商品所需金额、现金真实购买力贬值曲线与累计缩水比例。
常见问题
一般年均通货膨胀率是多少？
全球主要央行通常将年通胀率目标定在 2%~3% 之间。
什么是"72法则"？
用 72 除以年通胀率（例如 72 ÷ 3 = 24），即可快速估算出物价翻倍所需的年数。