Geometric Distribution Calculator

Calculate P(K = k) for the first success on trial k. Independent trials with constant success probability; k starts at one.

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Enter the inputs, then select Calculate.

Your result

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Result will appear here

How Geometric Distribution Calculator works

Calculate P(K = k) for the first success on trial k.

Independent trials with constant success probability; k starts at one. Inputs and results use floating-point numbers and may be rounded. Results show up to 12 significant digits.

Concept diagram for Geometric Distribution Calculator, showing success probability p input and the supported output. — Concept diagram; the three operation images are actual browser captures.

How to use Geometric Distribution Calculator

Follow the labelled inputs.

Enter success probability p

Replace the example with success probability p. The field labels specify the expected format and units.

Calculate

Geometric Distribution Calculator: input and settings in the implemented browser tool — Actual local browser view. Open the image to read it at full size.

Check the remaining inputs

Set first successful trial k. Independent trials with constant success probability; k starts at one.

Calculate

Geometric Distribution Calculator: tool result in the implemented browser tool — Actual local browser view. Open the image to read it at full size.

Run, review and save

Select Calculate. Review the calculated result, then copy it or download the result text.

Calculate

Geometric Distribution Calculator: review the details in the implemented browser tool — Actual local browser view. Open the image to read it at full size.

Examples and uses for Geometric Distribution Calculator

Check the supplied example

The starting example produces 0.125. Calculate P(K = k) for the first success on trial k.

Calculate

Abstract input values and a mathematical worksheet. — Start with the values. Concept illustration.

Use your own inputs

Read the labels for success probability p and first successful trial k. Independent trials with constant success probability; k starts at one.

Calculate

Two calculation examples shown for comparison. — Compare a second example. Concept illustration.

Record a reviewed result

Copy the calculated result into your notes. Keep the formula and assumptions with it if someone else needs to reproduce the calculation.

Calculate

A calculation and supporting explanation represented conceptually. — Explain the calculation. Concept illustration.

How to read the result

Read the units and assumptions with the output.

Calculate P(K = k) for the first success on trial k.

Independent trials with constant success probability; k starts at one. Inputs and results use floating-point numbers and may be rounded. Results show up to 12 significant digits.

Calculate Calculate

A mathematical result connected to the values used to calculate it. — Read the result with its inputs. Concept illustration.

Supported input and limits

Check the stated scope before you run it.

Independent trials with constant success probability; k starts at one. Inputs and results use floating-point numbers and may be rounded. Results show up to 12 significant digits.

The input stays in this browser. Copy result and Download save the same displayed text.

Calculate Calculate

Values and units reviewed before relying on a mathematical result. — Check values and units. Concept illustration.

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Geometric Distribution Calculator: common questions

Answers about using Geometric Distribution Calculator and understanding its results.

What inputs and assumptions apply?

Independent trials with constant success probability; k starts at one. Inputs and results use floating-point numbers and may be rounded. Results show up to 12 significant digits.

How can I save the result?

Copy result copies the displayed text. Download saves the same text as a TXT file. Processing runs in this browser without an account.

Calculate with your input

Check the calculated result, then copy or download it.

Calculate