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Quick Doubling Rule with 72

Compare quick rule for doubling time with exact compound growth.

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Calculations dey happen locally. Results na estimates, no be professional advice.

Estimate from Rule-of-72 method

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Estimate for learning with your assumptions; no live prices, tax rules or guaranteed returns.

Formula

The rule give t ≈ 72/p, while constant compound growth give t = ln(2)/ln(1+p/100). p na positive yearly percentage rate, and t na years. This rule na approximation.

Compare quick rule for doubling time with exact compound growth.

Example wey show the calculation

Growth rate for one year (%)
6
Estimate from Rule-of-72 method
12 years
Exact result with yearly compounding
11.8956610459 years

Where e fit work and limits

Estimate for learning with your assumptions; no live prices, tax rules or guaranteed returns.

We check inputs for missing values and allowed ranges. Result wey pass the finite numeric range no go show. Rounding affect wetin display, while calculation use the model numeric precision.

Check your units and assumptions before you rely on result. Changing label no convert currency or physical unit.

Version of di formula: 7c261970585c · Example don get check:

Method

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