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A doubling time calculator uses the Rule of 72 (or exact calculation) to determine how long it takes for a quantity to double at a constant growth rate. At 6% annual growth, 72 ÷ 6 = 12 years to double. Applies to investments, population growth, bacterial growth, and any exponential process.

चरण-दर-चरण मार्गदर्शिका

  1. 1Apply Rule of 70 or exact formula
  2. 2Divide by growth rate
  3. 3Calculate time to double

हल किए गए उदाहरण

इनपुट
5% annual growth
परिणाम
~14 years to double
Rule of 70: 70/5 = 14

सामान्य गलतियां जिनसे बचना है

  • Not double-checking results
  • Ignoring edge cases

अक्सर पूछे जाने वाले प्रश्न

What does this calculator do?

Input values

How do I use this calculator?

System calculates

सेटिंग्स