CAC Calculator

Find the average acquisition cost for each new customer. Enter your own values below to see customer acquisition cost and check the method behind it.

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Your inputs

Change the example values to match your situation.

Your result

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Fill in your inputs and select Calculate.
Your result and breakdown will appear here.

How this calculator works

Customer acquisition cost = Acquisition spending ÷ New customers.

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What is CAC Calculator?

CAC Calculator helps you find the average acquisition cost for each new customer.

The main result is customer acquisition cost. The formula, example and assumptions below explain how to interpret it.

How to use CAC Calculator

Use the example to get familiar with the form, then enter your own figures. Any rates in the example are illustrative. Check the field labels and units before calculating.

  1. Gather acquisition spending and new customers. Use values from the same situation or reporting period.
  2. Replace the example acquisition spending with your own value, then complete the other fields. Check the displayed units.
  3. Select Calculate and read customer acquisition cost. Change one input and calculate again to compare a second scenario. Reset restores the original example.
  • Enter acquisition spending, at least 0. Decimals are accepted.
  • Enter new customers, at least 0.000001. Decimals are accepted.

CAC Calculator: a worked example

With the inputs below, the result is ₹0.2 (customer acquisition cost). Follow the example, then replace these illustrative values with your own.

Example inputs and output
Input or outputExample value
Acquisition spending200
New customers1,000
Customer acquisition cost₹0.2

Understanding the CAC result

The main output is customer acquisition cost, expressed in ₹. It applies to the inputs and operation you selected.

Displayed results use a readable number of decimal places. When checking a result by hand, keep extra precision until the last step. To compare scenarios, change one input at a time and keep the others fixed.

CAC Calculator: assumptions and common mistakes

A useful estimate starts with the right inputs. Check the following assumptions and limits before applying the result to your situation.

  • Separate revenue from cash receipts and cost from selling price. Check the denominator before comparing a margin with a markup.

For wider guidance, visit ICAI. The formula and scope of this specific tool are stated on this page.

CAC Calculator FAQs

What does CAC Calculator calculate?

CAC Calculator helps you find the average acquisition cost for each new customer. Its main output is customer acquisition cost in ₹.

What inputs do I need for CAC Calculator?

You need acquisition spending and new customers. Use the field labels and units to match your figures to the formula.

Which formula does CAC Calculator use?

Customer acquisition cost = Acquisition spending ÷ New customers.

What is a worked example for CAC Calculator?

Example inputs: Acquisition spending: 200; New customers: 1,000. The result is ₹0.2 (customer acquisition cost).

How should I enter acquisition spending?

Enter acquisition spending, at least 0. Decimals are accepted.

How do I choose new customers?

Enter new customers, at least 0.000001. Decimals are accepted. The example uses 1,000; replace it if your circumstances differ.

How should I read customer acquisition cost?

The main output is customer acquisition cost, expressed in ₹. It applies to the inputs and operation you selected.

Why might my CAC Calculator result differ from my records?

Separate revenue from cash receipts and cost from selling price. Check the denominator before comparing a margin with a markup. Differences in entered values, units or rounding can also change the comparison.

Can I compare two scenarios in CAC Calculator?

Yes. Note your first customer acquisition cost, change acquisition spending or another input, and select Calculate again. Editing a field clears the old result so it is not mistaken for a new calculation.

Is CAC Calculator free, and where are my inputs calculated?

This calculator is free to use without signing in. Its formula runs in your browser; calculator inputs are not sent to a calculation API. The inputs reset to the example values when you reset the form or start a fresh page.