# SaaS Unit Economics: CAC, LTV, Payback, and the Metrics That Decide Funding

DevFeed: [SaaS Unit Economics: CAC, LTV, Payback, and the Metrics That Decide Funding](<https://devfeed.tech/articles/saas-unit-economics-cac-ltv-payback-and-the-metrics-that-decide-funding-10337.md>)

Original publisher: [Read original article](<https://dodopayments.com/blogs/saas-unit-economics/>)

Author: Ayush Agarwal

Published: 2026-04-22T00:00:00Z

Content type: tutorial

Language: en

Sources: [Dodo Payments Blog](<https://devfeed.tech/sources/dodo-payments-blog.md>)

Topics: [Software as a service](<https://devfeed.tech/topics/saas.md>), [Tooling](<https://devfeed.tech/topics/tooling.md>)

Tags: [benchmarks](<https://devfeed.tech/tags/benchmarks.md>), [finance](<https://devfeed.tech/tags/finance.md>), [funding](<https://devfeed.tech/tags/funding.md>), [growth](<https://devfeed.tech/tags/growth.md>), [guide](<https://devfeed.tech/tags/guide.md>), [metrics](<https://devfeed.tech/tags/metrics.md>), [saas](<https://devfeed.tech/tags/saas.md>), [saas-metrics](<https://devfeed.tech/tags/saas-metrics.md>)

## AI overview

A guide to SaaS unit economics covering CAC, LTV, LTV:CAC ratio, payback period, gross margin, churn, and NRR. It explains how these metrics connect, provides formulas and benchmarks, and includes a diagnostic scorecard for evaluating whether a SaaS business is ready to scale.

## Source excerpt

A complete guide to SaaS unit economics covering CAC, LTV, LTV:CAC ratio, payback period, gross margin, churn, and NRR with formulas, benchmarks, and a diagnostic scorecard.