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Audit your growth velocity. The Quick Ratio measures how much new revenue is added for every dollar lost to churn.
Step-by-step breakdown of the underlying equations.
The SaaS Quick Ratio measures the growth velocity and durability of a recurring revenue business by comparing monthly recurring revenue (MRR) additions against MRR losses. Devised by venture investor Mamoon Hamid (Social Capital / Kleiner Perkins), it reveals whether top-line bookings are translating into durable compounding growth or merely masking high customer churn.
Worked Valuation Example:\nA cloud software company experiences the following monthly revenue movements:\n• New Customer Bookings: $10,000 New MRR\n• Existing Account Upsells: $2,000 Expansion MRR\n• Total Positive MRR Influx: $12,000\n• Full Account Cancellations: $1,500 Churned MRR\n• Account Plan Downgrades: $500 Contraction MRR\n• Total Negative MRR Outflow: $2,000\n• Quick Ratio Calculation: $12,000 ÷ $2,000 = 6.0x.\n• Strategic Diagnosis: For every $1 lost to customer attrition, the company adds $6 in new recurring revenue. Net MRR grows by $10,000/month, signaling top-tier product-market fit.
A Quick Ratio of 4.0 or higher indicates that your customer acquisition engine is not fighting a 'leaky bucket'. If your Quick Ratio is near 1.5, scaling paid marketing will deliver poor ROI until onboarding and customer retention issues are resolved.
NRR looks exclusively at an existing cohort of customers over a period (Expansion vs. Churn/Contraction). The Quick Ratio incorporates New MRR from newly acquired accounts, measuring overall company growth velocity rather than pure cohort retention.
A Quick Ratio of 4.0 or greater is considered world-class by venture capital benchmarks. At 4.0x, a company adds $4 of recurring revenue for every $1 lost, enabling rapid compounding.
Yes. Many high-growth startups add substantial new customer revenue through aggressive sales commissions and discounting, but suffer 30%+ annual revenue churn. If you add $100k of new MRR but lose $90k to churn/contraction, your Quick Ratio is 1.1x and your net growth is nearly stalled.
In most B2B companies, reducing churn and driving customer expansion is 3x to 5x cheaper than acquiring new logos. Improving customer onboarding, automating product usage alerts, and offering annual prepay discounts produce the fastest lift.
While originally designed for B2B SaaS, the Quick Ratio applies to any subscription service, including consumer fitness apps, media streaming, and direct-to-consumer subscription boxes.
Data verified: September 2026