Exponential Growth: $100 at 7% for 10 Years
Starting with 100 at 7% growth per period for 10 periods yields approximately 196.7.
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 $100 nearly doubles over 10 years at a 7% annual growth rate.
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.