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Business Forecasting Tool

Compound Growth Calculator
Forecast Revenue, Customers, and Any Growth Metric

Enter a current value, growth rate per period, and number of periods. The future value with compound growth is calculated instantly. Use for revenue forecasting, customer growth projections, and long-term planning.

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Business Forecasting

What Is Compound Growth?

Compound growth is the process by which a value grows over time when the growth rate applies not just to the original amount but also to all prior growth. Unlike simple growth -- which adds the same fixed amount each period -- compound growth accelerates because each period's growth is calculated on a larger base than the one before it. It is the mathematical engine behind the observation that small, consistent improvements produce dramatically larger results over time than they appear to at first.

Compound Growth Formula

Future Value = Current Value × (1 + Growth Rate)Number of Periods
Growth Rate expressed as a decimal (e.g. 5% = 0.05)

Compound Growth Example

Current Value: $10,000  |  Growth Rate: 5% per year  |  Periods: 3 years
Future Value = $10,000 × (1.05)3 = $10,000 × 1.1576 = $11,576.25
Net Growth: $1,576.25

Why Compound Growth Matters for Small Business Planning

Growing revenue 5 percent per month produces a 79.6 percent increase over a full year -- far more than multiplying 5 percent by 12 months would suggest. This is why consistent, incremental improvements to conversion rates, average order value, and customer retention have a disproportionate impact on annual results compared to large one-time initiatives. A small business that grows 3 percent per month will be 43 percent larger in 12 months. One that grows 5 percent per month will be 80 percent larger. That 2 percent monthly difference compounds into a 37 percent difference in annual scale.

What You Can Model with This Calculator

Revenue growth -- enter current monthly or annual revenue and your target growth rate to see projected revenue at any future point. Customer count growth -- forecast how many customers you will have in 6 or 12 months at your current acquisition rate. Traffic growth -- project organic search traffic or email list size using your current growth rate. Any metric that grows at a consistent rate compounds the same way. Use this calculator to set realistic targets, communicate growth trajectory to stakeholders, and evaluate the long-term value of incremental improvements to key metrics.

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