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Return Period given Probability Formula

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Return Period [Years] is an average time or an estimated average time between events such as earthquakes, floods, landslides, or a river discharge flows to occur. Check FAQs

T r = \frac{1}{p}

T_r - Return Period?p - Probability?

Return Period given Probability Example

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Here is how the Return Period given Probability equation looks like with Values.

Here is how the Return Period given Probability equation looks like with Units.

Here is how the Return Period given Probability equation looks like.

149.9925 = \frac{1}{0.0067}

149.9925 = \frac{1}{0.0067}

149.9925 = \frac{1}{0.0067}

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Return Period given Probability Solution

Follow our step by step solution on how to calculate Return Period given Probability?

FIRST Step Consider the formula

T r = \frac{1}{p}

Next Step Substitute values of Variables

∴

T r = \frac{1}{0.0067}

Next Step Prepare to Evaluate

∴

T r = \frac{1}{0.0067}

Next Step Evaluate

∴

T r = 149.992500374981

LAST Step Rounding Answer

∴

T r = 149.9925

Return Period given Probability Formula Elements

Variables

Return Period

Return Period [Years] is an average time or an estimated average time between events such as earthquakes, floods, landslides, or a river discharge flows to occur.

Symbol: T_r

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Return Period

Probability

Probability of occurrence of an event (x ≥ xt), of how likely an event is to occur, or how likely it is that a proposition is true.

Symbol: p

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Probability

Other formulas in Risk, Reliability and Safety Factor category

Go Equation for Risk

R = 1 - {(1 - p)}^{n}

Go Equation for Risk given Return Period

R = 1 - {(1 - (\frac{1}{T r}))}^{n}

Go Probability given Return Period

p = \frac{1}{T r}

Go Reliability given Risk

R e = 1 - R

How to Evaluate Return Period given Probability?

Return Period given Probability evaluator uses Return Period = 1/Probability to evaluate the Return Period, The Return Period given Probability is defined as the probability of occurrence of an event at least once over a period of n successive years. Return Period is denoted by T_r symbol.

How to evaluate Return Period given Probability using this online evaluator? To use this online evaluator for Return Period given Probability, enter Probability (p) and hit the calculate button.

FAQs on Return Period given Probability

What is the formula to find Return Period given Probability?

The formula of Return Period given Probability is expressed as Return Period = 1/Probability. Here is an example- 2 = 1/0.006667.

How to calculate Return Period given Probability?

With Probability (p) we can find Return Period given Probability using the formula - Return Period = 1/Probability.

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