Average Revenue Per User — total revenue in a period divided by the number of users or customers.

How is ARPU calculated?

Total revenue divided by the number of users for the period, usually monthly or annually.

How can ARPU mislead?

It depends on who counts as a user, can be distorted by a few high spenders, and can rise simply because low-value users churned.

Growth Marketing Glossary

ARPU

noun

What the average user is worth per period — a fast read on monetization, easily flattered by which users you count.

Schematic — revenue divided across users

Term: ARPU
Part of speech: Noun (acronym)
Field: Revenue / SaaS
Formula: Revenue ÷ users

Forms & parts of speech

ARPU · noun

Average revenue per user.

"Rising ARPU after the pricing change meant existing users were paying more."

Definition in plain terms

ARPU stands for Average Revenue Per User — total revenue over a period divided by the number of users (or customers) in that period, usually reported monthly or annually. It tells you, on average, how much money each user generates, making it a quick gauge of how well a business monetizes its base.

The mechanics

ARPU = total revenue ÷ number of users for the period. It rises through higher pricing, upsells and cross-sells, reducing free or low-value users, or shifting the mix toward higher-paying segments. A close cousin, ARPA (per account), is used where one account has many users. The key subtlety: ARPU depends entirely on who counts as a "user" — including free users drags it down, counting only payers lifts it, so the definition must be consistent.

When it matters

ARPU matters for tracking monetization over time, comparing segments or cohorts, and modeling revenue alongside user growth. It pairs with churn and retention to estimate lifetime value. It misleads when the user definition shifts, when a few whales distort the average (a median or segment view helps), or when ARPU rises only because low-value users churned rather than because monetization improved.

Worked example. A SaaS app reports rising ARPU and celebrates better monetization — until it notices ARPU rose mainly because a wave of free users churned, shrinking the denominator, not because paying users spent more. Segmenting ARPU by plan reveals paid users' revenue was flat. The headline number flattered the truth; the segmented view showed monetization hadn't actually improved.

Failure modes to watch. Shifting the definition of "user" so ARPU isn't comparable over time; a few whales distorting the average; mistaking a rise caused by low-value churn for real monetization gains; and reporting ARPU without churn or retention context.

Synonyms & antonyms

Synonyms

ARPUaverage revenue per userARPA (per account)

Antonyms

total revenue (unnormalized)per-transaction revenue

Usage trends

Search interest for this term over the last five years:

View interest-over-time on Google Trends →

Common questions

What is ARPU?: Average Revenue Per User — total revenue in a period divided by the number of users or customers.
How is ARPU calculated?: Total revenue divided by the number of users for the period, usually monthly or annually.
How can ARPU mislead?: It depends on who counts as a user, can be distorted by a few high spenders, and can rise simply because low-value users churned.

Related tools & calculators

toolLTV calculator

Resources & people to follow

bookLean Analytics — Croll & Yoskovitz
referencea16z — SaaS metrics
thought leaderDavid Skok — SaaS metrics

Curated, non-competitor resources verified per term.

Related training

moduleSubscription growth

Disciplines

Areas of marketing where arpu is a core concern:

Revenue / monetizationMarketing analytics

Sources

trendsGoogle Trends — "arpu"