Exponential Growth: 1,000 at 10% for 20 Years
An initial value of 1,000 growing at 10% per period for 20 periods reaches approximately 6,727.
How to use this tool
- Enter initial value, growth rate per period and number of periods in the fields above.
- Results update instantly as you type — or click Calculate.
- Read your final value and the full breakdown beneath it.
See how 1,000 grows exponentially at 10% per year over 20 years — a nearly 7x increase.
Frequently asked questions
- What is doubling time?
- The number of periods it takes for the quantity to double. For 10% growth the doubling time is about 7.27 periods (the Rule of 72 estimates ~7.2).
- Can I use years, months or any unit?
- Yes — just be consistent. If rate is per year, time must be in years.