MRR calculator.

Calculate Monthly Recurring Revenue, track growth rate, and measure the health of your SaaS business with Net New MRR and Quick Ratio.

Why track MRR.

Monthly Recurring Revenue is the most important metric for SaaS. It shows predictable revenue and growth trajectory — essential for fundraising, planning, and gauging business health.

  1. 01
    Track revenue growth month-over-month with one consistent metric.
  2. 02
    Calculate Net New MRR to see your true growth after churn and downgrades.
  3. 03
    Measure Quick Ratio to assess how efficiently you’re growing.

Calculate your MRR.

Your total monthly recurring revenue at the start of this month.

Revenue from new customers this month

Additional revenue from existing customers (upgrades, upsells)

Lost revenue from downgrades

Lost revenue from cancelled subscriptions

Optional — leave blank to use current MRR as the baseline.

Understanding MRR.

What is MRR?

Monthly Recurring Revenue is the predictable revenue your SaaS generates each month from subscriptions. It’s the most critical metric for SaaS because it shows business health and growth trajectory.

  1. 01
    New MRR:Revenue from customers who signed up this month.
  2. 02
    Expansion MRR:Additional revenue from existing customers upgrading or buying add-ons.
  3. 03
    Contraction MRR:Lost revenue from customers downgrading their plans.
  4. 04
    Churned MRR:Lost revenue from customers who cancelled.
  5. 05
    Net New MRR:New + Expansion − Contraction − Churned.

What is a good MRR growth rate?

  1. 01
    10–15% MoM:Healthy SaaS growth for early-stage companies.
  2. 02
    5–10% MoM:Solid growth for more mature SaaS businesses.
  3. 03
    < 5% MoM:Slow growth that needs attention.
  4. 04
    Negative:Critical — you’re losing revenue faster than gaining it.

How to improve your MRR.

  1. 01
    Increase New MRR.Optimise your sales and marketing funnel, improve conversion rates at each stage, expand into new customer segments.
  2. 02
    Boost Expansion MRR.Create premium tiers, offer usage-based pricing, build add-ons and integrations, push annual plans with discounts.
  3. 03
    Reduce contraction & churn.Improve onboarding, run customer success programs, monitor usage and intervene before customers churn, act on feedback from churned ones.

Need to build or improve your SaaS product?

Growing MRR requires a product worth paying for. I build SaaS applications and web products in Next.js and TypeScript — from MVP to production-ready.

Email me

Built by Taro Schenker — full-stack developer who works with startups and local businesses.