CAC Payback Period

Date created: Oct 12, 2022  •   Last updated: Oct 12, 2022

What is CAC Payback Period?

CAC Payback Period is the time it takes for a company to earn back their customer acquisition costs. The value depends on how high the Customer Acquisition Cost (CAC) is and how much a customer contributes in revenue each month or each year.

CAC Payback Period Formula

ƒ Average(CAC per customer) / Average(ARR per customer)

How to calculate CAC Payback Period

Company A spends on average $400 in Sales and Marketing to acquire a new customer. The average new customer generates an MRR of $25 for the company or an ARR of $300 ($25 MRR * 12 months). In this scenario, the CAC Payback Period is 15.96 months or 1.33 years given this calculation: CAC Payback: $400/$300=1.33 years=15.96 months.

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What is a good CAC Payback Period benchmark?

A good CAC Payback Period is generally 12 months. This can vary by industry and target customer size. The shorter the CAC Payback Period, the quicker you can recover acquisition costs.

CAC Payback Period benchmarks

CAC Payback in months by ARR

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OpenView, Sep 2019

CAC Payback in months by Target Customer

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OpenView, Sep 2019
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How to visualize CAC Payback Period?

You can visualize CAC Payback Period best with a line chart, which shows changes in trends over time. Ideally, your chart should show a steady or upward trending CAC Payback Period.

CAC Payback Period visualization example

CAC Payback Period

Line Chart

Here's an example of how to visualize your CAC Payback Period data in a line chart over time.
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CAC Payback Period


Measuring CAC Payback Period

More about CAC Payback Period

CAC Payback is the single best measure of the efficiency of your go-to-market engine. The shorter the payback period, the better the strategy. Generally speaking, SaaS startups aim to recover their Customer Acquisition Costs (CAC) in 15 to 18 months and high performing SaaS companies normally have a 5-7 month payback.

CAC Payback Period combines three fundamental metrics to help you understand earnings from your customers: Customer Acquisition Cost (CAC), the all-inclusive marketing and sales cost you spend in a period, new Monthly Recurring Revenue (MRR), that which is acquired from new customers in the period, and your overall Gross Margin percentage (GM%)

Note that CAC Payback Period does not factor in churn. It assumes that you will see a return on your customer acquisition cost during the lifetime of your customer (before they could, theoretically, churn). For this reason, it's important to also monitor your LTV:CAC Ratio. Customers who churn within the CAC Payback Period are costing you.

Understanding CAC Payback Period helps you decide how aggressive you should be when acquiring new customers on yearly or multi-year plans vs monthly plans (which typically have a higher churn rate). From a cash perspective, if, on average, it takes you 10 months to recover the cost to acquire a customer, and you are able to sell an annual "paid upfront" plan, then your payback period for that customer is 0 - or instantaneous. It's cash in the bank, that you will not need to finance via debt or equity.