Glossary — metrics
ARR (Annual Recurring Revenue)
Also known as: Annual Recurring Revenue
ARR is the annualized value of a SaaS company's recurring subscription revenue at a point in time, excluding one-time fees.
How it works
ARR = MRR × 12. It's the single most important metric for SaaS companies and the one VCs use to size up the business. ARR includes new subscriptions, expansion (upsell/cross-sell), and renewal — but excludes one-time professional services, setup fees, and usage-based revenue (which is reported separately as committed-vs-consumed). Series A SaaS rounds in 2024 typically require $1M–$2M ARR; Series B is usually $5M–$15M ARR.
Worked example
A SaaS company with 200 customers paying $500/month has MRR = $100K, ARR = $1.2M.