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Expected sales volume — Two-Stage Sales Funnel Calculator

Two-Stage Sales Funnel: Calculate expected sales volume from Visitor volume, Visitor-to-lead conversion, Lead-to-sale conversion. Check the formula, input units and worked result on this page.

Enter your values

Formula symbol: visits. Enter a numeric value. Must be greater than zero.
%
Formula symbol: lead. Enter the percentage as a number: for 15%, enter 15. Must be greater than zero. Allowed range: 0.001–100.
%
Formula symbol: close. Enter the percentage as a number: for 15%, enter 15. Must be greater than zero. Allowed range: 0.001–100.

Use a decimal point, without thousands separators.

The result is an expected continuous volume, not a realised whole-number sale count. Rates need the same traffic source and period.
Example result
Expected sales volume
50

The initial result uses the example values. Enter your own values and calculate again.

Edit inputs

How it works

Visitor-to-lead and lead-to-sale conversion rates are applied in sequence. This form solves for expected sales volume; enter the known quantities in Visitor volume, Visitor-to-lead conversion, Lead-to-sale conversion.

Inputs and units
Expected sales volume — Two-Stage Sales Funnel Calculator · Inputs and units
InputExample valueWhat to enter
Visitor volume10,000Formula symbol: visits. Enter a numeric value. Must be greater than zero.
Visitor-to-lead conversion5 %Formula symbol: lead. Enter the percentage as a number: for 15%, enter 15. Must be greater than zero. Allowed range: 0.001–100.
Lead-to-sale conversion10 %Formula symbol: close. Enter the percentage as a number: for 15%, enter 15. Must be greater than zero. Allowed range: 0.001–100.
deals = ((visits * lead * close) / 10000)

Worked example

Show example inputs and results

This example is generated by the same calculation engine using the starting values in the form. Your own inputs produce your own result.

Visitor volume
10,000
Visitor-to-lead conversion
5 %
Lead-to-sale conversion
10 %

Complete example results

Expected sales volume
50

Reading the result

The result solves for expected sales volume from the entered quantities. Check the result unit and the formula conditions before using it.

Questions and answers

Can I use the example values for my own calculation?

The example values illustrate the calculation. Replace every input with your own information, especially dates, rates and the selected operation.

When can I use the expected sales volume result?

The result is an expected continuous volume, not a realised whole-number sale count. Rates need the same traffic source and period.

Why are some results rounded?

Results display up to 8 decimal places. Calculations use the unrounded values; very small values use scientific notation. JavaScript floating-point arithmetic can introduce tiny rounding differences.

Are my inputs sent to a server?

The calculator processes inputs in your browser. Its code does not send your values to a server.

Method sources: openstax.org

Methods & accuracy

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