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Doubling Time Formula

GoRule of 69 Formula

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Doubling Time is the length of time required to double an investment or money in an interest-bearing account. Check FAQs

DT = \log 10 \frac{2}{\log 10} (1 + \frac{%RoR}{100})

DT - Doubling Time?%RoR - Rate of Return?

Doubling Time Example

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Here is how the Doubling Time equation looks like with Values.

Here is how the Doubling Time equation looks like with Units.

Here is how the Doubling Time equation looks like.

15.7473 = \log 10 \frac{2}{\log 10} (1 + \frac{4.5}{100})

15.7473 = \log 10 \frac{2}{\log 10} (1 + \frac{4.5}{100})

15.7473 = \log 10 \frac{2}{\log 10} (1 + \frac{4.5}{100})

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Doubling Time Solution

Follow our step by step solution on how to calculate Doubling Time?

FIRST Step Consider the formula

DT = \log 10 \frac{2}{\log 10} (1 + \frac{%RoR}{100})

Next Step Substitute values of Variables

∴

DT = \log 10 \frac{2}{\log 10} (1 + \frac{4.5}{100})

Next Step Prepare to Evaluate

∴

DT = \log 10 \frac{2}{\log 10} (1 + \frac{4.5}{100})

Next Step Evaluate

∴

DT = 15.7473018364856

LAST Step Rounding Answer

∴

DT = 15.7473

Doubling Time Formula Elements

Variables

Functions

Doubling Time

Doubling Time is the length of time required to double an investment or money in an interest-bearing account.

Symbol: DT

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Doubling Time

Rate of Return

A Rate of Return is the gain or loss on an investment over a specified time period, expressed as a percentage of the investment’s cost.

Symbol: %RoR

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Rate of Return

log10

The common logarithm, also known as the base-10 logarithm or the decimal logarithm, is a mathematical function that is the inverse of the exponential function.

Syntax: log10(Number)

Other Formulas to find Doubling Time

Go Rule of 69

DT = \frac{69}{i}

Other formulas in Basics of Time Value of Money category

Go Hamada Equation

β L = β UL \cdot (1 + (1 - T %) \cdot R D/E)

Go Number of Periods

n Periods = \frac{\ln (\frac{FV}{PV})}{\ln (1 + r)}

Go Doubling Time (Continuous Compounding)

DT CC = \frac{\ln (2)}{\frac{%RoR}{100}}

Go Rule of 72

Rule of 72 = \frac{72}{i}

How to Evaluate Doubling Time?

Doubling Time evaluator uses Doubling Time = log10(2)/log10(1+Rate of Return/100) to evaluate the Doubling Time, Doubling Time is the length of time required to double an investment or money in an interest-bearing account. Doubling Time is denoted by DT symbol.

How to evaluate Doubling Time using this online evaluator? To use this online evaluator for Doubling Time, enter Rate of Return (%RoR) and hit the calculate button.

FAQs on Doubling Time

What is the formula to find Doubling Time?

The formula of Doubling Time is expressed as Doubling Time = log10(2)/log10(1+Rate of Return/100). Here is an example- 15.7473 = log10(2)/log10(1+4.5/100).

How to calculate Doubling Time?

With Rate of Return (%RoR) we can find Doubling Time using the formula - Doubling Time = log10(2)/log10(1+Rate of Return/100). This formula also uses Common Logarithm (log10) function(s).

What are the other ways to Calculate Doubling Time?

Here are the different ways to Calculate Doubling Time-

Doubling Time=69/Rate of Interest as Whole Number

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