Growth & Efficiency
SaMa

SaaS Quick Ratio

The SaaS Quick Ratio measures growth efficiency. It equals new MRR plus expansion MRR divided by contraction MRR plus churned MRR. A ratio of 4x or higher is healthy — meaning you add $4 of revenue for every $1 lost. Below 1x means your MRR base is shrinking.

Why Quick Ratio Matters

Quick Ratio reveals the quality of your growth. A company adding $100K in new MRR while losing $80K has a Quick Ratio of 1.25 — it's growing, but barely. The same new MRR with only $20K in losses gives a Quick Ratio of 5.0 — much healthier growth. Mamoon Hussain at Kleiner Perkins popularized the 4.0 benchmark: for every $1 of MRR lost, you should add $4. Below 1.0 means your MRR is shrinking.

How to Calculate Quick Ratio

Add New MRR and Expansion MRR. Divide by the sum of Contraction MRR and Churned MRR.

Quick Ratio Formula
Quick Ratio = (New MRR + Expansion MRR) ÷ (Contraction MRR + Churned MRR)

Quick Ratio Calculator

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Industry Benchmarks

SegmentGoodAveragePoor
High-growth SaaS>4x2x–4x<2x
Mature SaaS>2x1.5x–2x<1.5x
Consumer Subscription>3x1.5x–3x<1.5x
Any stage>4x1x–4x<1x (shrinking)

Expert Tips

A Quick Ratio below 1.0 means you're losing revenue faster than you're adding it. This is an emergency that requires immediate focus on retention.

The 4.0 benchmark is aspirational — most growth-stage companies operate between 2.0 and 4.0. Context matters: a 2.0 ratio at $50M ARR is very different from 2.0 at $1M ARR.

Quick Ratio naturally declines as you scale because the denominator (churn) grows with your customer base. A declining ratio isn't always alarming — compare against stage-appropriate benchmarks.

Use Quick Ratio alongside absolute Net New MRR. A 10x ratio on tiny numbers is less meaningful than a 3x ratio on $500K of net new MRR.

Frequently Asked Questions

What is the SaaS Quick Ratio?
The SaaS Quick Ratio measures growth efficiency by dividing new + expansion MRR by contraction + churned MRR. A ratio of 4x means you add $4 of MRR for every $1 lost. It's different from the accounting Quick Ratio (current assets / current liabilities).
What is a good SaaS Quick Ratio?
4x or higher is the benchmark for healthy growth-stage SaaS. Between 2-4x is acceptable. Below 2x signals that churn is consuming too much of your growth. Below 1x means your MRR base is shrinking.
How does Quick Ratio relate to NRR?
They measure different things. NRR measures existing customer revenue retention (expansion vs. churn). Quick Ratio adds new customer revenue to the equation. You can have a low NRR (high churn) but a high Quick Ratio if new sales are strong — though this isn't sustainable.
Why does Quick Ratio decline as I scale?
As your customer base grows, the absolute amount of churn grows too (even at the same churn rate). You need increasingly large new MRR additions to maintain the same ratio. This is normal — focus on maintaining above 2x at scale.

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Business Models Using Quick Ratio

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