Financial Glossary
Annual Recurring Revenue (ARR)
Annual Recurring Revenue (ARR) is the normalized, annualized value of subscription-based revenue contracted from active customers, excluding one-time setup fees, variable usage charges, or non-recurring professional services. It is calculated by taking monthly recurring revenue (MRR) and multiplying by 12, or by summing all active annual subscription contract values. ARR is distinct from recognized revenue: a customer on a two-year contract contributes their annual contract value to ARR immediately upon signing, but revenue is recognized ratably each month. ARR serves as the headline growth metric for SaaS, subscription-media, and membership businesses because it reflects the annualized run rate of contracted, predictable income.
Problem & Application
Formula: ARR = MRR x 12, where MRR = sum of all active monthly subscription values. A reservation software company has 200 campground clients each paying $250/month. MRR = $50,000. ARR = $600,000. Over the quarter, 10 new parks sign at $300/month (new ARR +$36,000 annualized), 5 parks cancel ($250 x 5 x 12 = -$15,000 churned ARR), and 20 parks upgrade to $400/month (expansion ARR +$36,000 annualized). Net ARR change = +$57,000. Ending ARR = $657,000. Net Revenue Retention (NRR) = (starting ARR + expansion - churn) / starting ARR = ($600,000 + $36,000 + $36,000 - $15,000) / $600,000 = 109.5% -- a healthy signal that expansion revenue more than offsets churn. Investors price SaaS companies as a multiple of ARR, making accurate ARR calculation and clean ARR waterfall reporting a core financial-reporting deliverable.
In Short
ARR is a vital metric for subscription-based businesses, providing a clear picture of predictable revenue and aiding in strategic financial planning.