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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.

دليل خطوة بخطوة

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

أمثلة محلولة

أخطاء شائعة يجب تجنبها

• ✕Not double-checking results
• ✕Ignoring edge cases

أسئلة شائعة