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Blog Definition
Annual Recurring Revenue (ARR) is MRR × 12 — the annualized value of your subscription revenue. ARR is typically used by businesses with primarily annual contracts or when reporting to investors, while MRR is better suited for month-to-month operational tracking.
ARR specifically excludes one-time fees, professional services, and any non-recurring revenue. The metric assumes the current MRR run-rate continues for 12 months — so it's a snapshot of contractual recurring revenue at a point in time, not a forecast of actual revenue you'll collect (which would be lower due to churn and higher due to new sales).
Why It Matters for WooCommerce Stores
ARR gives a big-picture view of subscription revenue that smooths monthly fluctuations and aligns with annual planning cycles. For a WooCommerce subscription business selling annual plans, ARR is a more natural metric than MRR.
Milestones like $100K ARR and $1M ARR are recognized signals of subscription business viability — $100K ARR is widely considered the first major validation milestone, while $1M ARR marks the transition from "side project" to "real business." ARR also serves as the basis for SaaS valuation multiples: businesses with strong fundamentals (>100% NRR, high gross margin, growth rate >50%) command 8-15× ARR multiples, while weaker businesses might trade at 2-4× ARR. For founders considering an exit, ARR growth is the single biggest driver of valuation.
How It Works
ARR = MRR × 12. If your total MRR (monthly plans + annual plans normalized) is $7,000, ARR is $84,000.
For annual plans specifically, you can count the full annual contract value directly rather than dividing by 12 — both methods give the same result if done consistently. For more sophisticated reporting, track ARR movements similar to MRR: New ARR (from new annual contracts), Expansion ARR (annual upgrades), Churn ARR (cancellations and non-renewals), and Contraction ARR (downgrades).
The percentage growth of ARR year-over-year is a key metric — top SaaS companies maintain 50-100%+ YoY ARR growth in early stages.
Real-World Example
A WooCommerce subscription business has the following at year-end: 100 monthly subscribers at $29/month = $2,900 MRR; 50 annual subscribers at $290/year = $1,208.33 MRR ($290÷12). Total MRR = $4,108.33.
ARR = $4,108.33 × 12 = $49,300. Alternatively, count annual plans directly: 100 monthly × $29 × 12 = $34,800 ARR + 50 annual × $290 = $14,500 ARR = $49,300 ARR.
Same result. If this business grew to $100K ARR by next year-end (100% growth), that's the first major SaaS milestone — meaningful validation of the model.
Best Practices
- Use ARR for boards, investors, and annual planning; use MRR for operations and monthly reviews
- Track ARR movement quarterly: New ARR, Expansion ARR, Churned ARR — same decomposition as MRR
- Set sales targets in ARR rather than deals — aligns sales incentives with subscription business reality
- Report ARR growth rate alongside ARR — $2M ARR growing 100% YoY is more valuable than $5M ARR flat
- Forecast 12-month ARR based on renewal pipeline + new sales expectations — drives staffing and budget
Common Mistakes
- Using ARR and MRR interchangeably — ARR is for strategic planning, MRR is for operational monitoring
- Calculating ARR from a single month's revenue rather than from active subscription values
- Including expired or churned subscriptions that haven't been removed from active totals
- Counting professional services, setup fees, or one-time payments in ARR — only count recurring
- Reporting ARR without growth rate — context matters more than absolute number
In WooCommerce with WPSubscription
WPSubscription supports both monthly and annual billing plans. Encouraging customers to choose annual billing (often with a discount like "2 months free") increases ARR while reducing churn, since annual subscribers typically renew at much higher rates than monthly subscribers.
Variable subscriptions in WPSubscription let you offer both monthly and annual variants of the same product, letting customers self-select while you benefit from the better economics of annual plans.
