ARR Calculator

What is ARR?

Annual Recurring Revenue (ARR) is the annualized value of your recurring subscription revenue. It's calculated by multiplying your Monthly Recurring Revenue (MRR) by 12, giving you a yearly view of your predictable revenue base.

ARR vs MRR: when to use which

Both metrics measure the same thing at different timescales, but they serve different audiences and use cases:

• MRR is better for operational decision-making. Month-over-month changes are more visible, making it ideal for tracking the impact of pricing changes, marketing campaigns, and churn reduction efforts.
• ARR is the standard for investor communications and fundraising. It's the metric VCs use to benchmark your company against peers and milestones.
• As a rule of thumb, early-stage companies (below $1M ARR) tend to focus on MRR, while companies above $5–10M ARR typically report ARR.

How to calculate ARR accurately

While the basic formula is simple, there are nuances to get right:

• Include only recurring revenue — Exclude one-time setup fees, professional services, and variable usage charges that aren't committed.
• Normalize annual contracts — If a customer pays $12,000/year, that's $1,000 MRR, contributing $12,000 to ARR.
• Normalize monthly contracts — If a customer pays $100/month, that's $1,200 ARR.
• Handle multi-year deals carefully — A 3-year contract for $36,000 is $12,000 ARR (not $36,000).

ARR growth benchmarks by stage

Benchmarks from industry reports (Bessemer, OpenView, SaaS Capital) and public company data:

• Pre-seed to Seed ($0–$1M ARR) — Triple year-over-year (200%+ growth). Focus is on finding product-market fit.
• Seed to Series A ($1M–$5M ARR) — Triple year-over-year (200%+ growth). Companies typically raise Series A at $1–2M ARR with strong growth.
• Series A to B ($5M–$15M ARR) — Double year-over-year (100%+ growth). The T2D3 framework says "triple, triple, double, double, double."
• Series B to C ($15M–$50M ARR) — 75–100% annual growth. Growth naturally decelerates as the base increases.
• Scale ($50M+ ARR) — 30–50% annual growth is strong. The "Rule of 40" (growth rate + profit margin > 40%) becomes the benchmark.

The power of compound growth

ARR growth is exponential, not linear. A 10% monthly MRR growth rate doesn't mean 120% annual growth — it means your ARR grows by 213% in a year thanks to compounding. This is why even small improvements in monthly growth rate have dramatic effects on annual ARR.

Conversely, churn works against compounding. If you're losing 5% of MRR to churn every month, you need to add 5% just to stay flat. Reducing churn from 5% to 3% doesn't just save 2% — it frees up that 2% to compound every month, dramatically accelerating your path to the next ARR milestone.

How to accelerate ARR growth

1. Reduce churn — The most efficient growth lever. Every dollar saved from churn compounds over time.
2. Drive expansion revenue — Usage-based pricing, tiered plans, and cross-sells increase ARR from existing customers without acquisition cost.
3. Increase deal sizes — Moving upmarket or optimizing pricing can increase average contract value.
4. Shorten sales cycles — Faster time-to-close means new ARR materializes sooner.
5. Improve onboarding — Faster time-to-value reduces early-stage churn and improves NRR.

ChurnWin tracks your ARR automatically — connect your Stripe account and see real-time ARR, MRR trends, churn impact, and growth projections without manual calculations.