Formulas and metrics

Annual Recurring Revenue (ARR)

The annualized value of recurring subscription revenue, used to measure the scale and growth trajectory of subscription businesses.

Tomba Team
March 23, 2026

Annual Recurring Revenue (ARR) is the annualized value of a company's recurring subscription revenue. It is calculated simply by multiplying Monthly Recurring Revenue (MRR) by 12, or by summing the annualized value of all active subscription contracts. ARR is the standard metric for measuring the scale and growth rate of SaaS and subscription businesses, and it is a primary factor in company valuation.

ARR provides a long-term view of revenue that smooths out monthly fluctuations and seasonal variations. Investors, board members, and executives use ARR to evaluate business health, compare performance against peers, and set strategic targets. ARR growth rate is often the single most important metric for SaaS company valuation, with high-growth companies commanding significantly higher revenue multiples.

Growing ARR requires a balanced approach to acquisition, expansion, and retention. Sales teams need efficient tools to find and convert new customers, while customer success teams work to expand existing accounts and minimize churn.

Key Points

  • ARR is the annualized value of recurring subscription revenue, typically MRR multiplied by 12
  • It is the primary metric for measuring SaaS business scale and is central to company valuation
  • ARR growth depends on balancing new customer acquisition with expansion and retention

Best Practices

  • Report ARR alongside its components new, expansion, contraction, and churn for full transparency
  • Set ARR targets that align with your company's growth stage and market opportunity
  • Invest in both acquisition and retention strategies to sustain healthy ARR growth over time

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