Understanding SaaS ARR Growth Percentage
How we calculate. ARR growth % = (end − start) ÷ start × 100. The form uses the same arithmetic as the worked examples on this page. See our methodology and accuracy policy.
Real-world scenario: A typical SaaS ARR Growth Percentage case uses start arr 8000000 and end arr 10000000. Enter the same figures below to reproduce the worked path.
What is SaaS ARR Growth Percentage?
A top-line growth KPI. Distinct from Rule of 40 (which adds growth to margin) and from expansion revenue % alone.
- Same ARR definition
- Period labeled (YoY / QoQ)
- Include new, expansion, churn netting per policy
The Formula
Worked Example
Common Use Cases
- Board packs: ARR growth
- Rule of 40 input: growth %
- Peer comps: growth rate
Pro Tips
- Freeze YoY vs QoQ
- Don’t treat as expansion % alone
- Pair with MRR growth
Limitations: SaaS ARR Growth Percentage results are educational SaaS / subscription planning aids—not accounting, tax, or investment advice. Confirm definitions with your billing system and board reporting standards.
FAQ
Same as Rule of 40?
No. Rule of 40 adds growth % to profit margin %. This page computes ARR growth % only.
What if start ARR is 0?
ARR growth is undefined—enter positive start ARR.
Authoritative References
For SaaS metrics and subscription performance concepts, consult:
- SaaStr — SaaS growth and metrics context
- For Entrepreneurs — SaaS metrics explainers
- Bessemer Venture Partners — cloud / SaaS industry research