# Quick Ratio Formula: Definition, Examples, and SaaS Use Cases > Learn the quick ratio formula for both accounting liquidity and SaaS growth health, with worked examples, benchmarks, and strategies to improve your ratio. - **Author**: Ayush Agarwal - **Published**: 2026-04-21 - **Category**: SaaS Metrics, Finance - **URL**: https://dodopayments.com/blogs/quick-ratio-formula --- The quick ratio is one of the few metrics that matters in both accounting and SaaS growth analysis. In traditional finance, it measures whether a company can cover its short-term obligations without selling inventory. In SaaS, it measures whether a company is growing faster than it is losing revenue. Both versions answer the same underlying question: is this business healthy enough to survive pressure? If you already track [MRR](https://dodopayments.com/blogs/mrr-monthly-recurring-revenue), [churn rate](https://dodopayments.com/blogs/churn-rate-analysis), and [net revenue retention](https://dodopayments.com/blogs/net-revenue-retention-nrr), the SaaS quick ratio ties those metrics together into a single growth-health number. This guide covers both formulas, worked examples, benchmarks, and practical strategies to improve your ratio. ## The Accounting Quick Ratio (Acid Test Ratio) The accounting quick ratio, also called the acid test ratio, measures short-term liquidity. It answers a simple question: if all your current liabilities came due right now, could you pay them without liquidating inventory? The formula: **Quick Ratio = (Current Assets - Inventory) / Current Liabilities** Current assets include cash, marketable securities, and accounts receivable. Inventory is excluded because it cannot always be converted to cash quickly or at full value. Some practitioners use a stricter form that also excludes prepaid expenses, since a prepaid annual software license cannot be converted back to cash to pay bills: **Stricter form: Quick Ratio = (Cash + Accounts Receivable + Short-term Investments) / Current Liabilities** For pure SaaS companies with minimal inventory and small prepaid balances, the two forms produce nearly identical results. For businesses with large prepaid expenses (common in healthcare, manufacturing, or companies on annual enterprise contracts), the stricter form is the more conservative read. The [current ratio vs quick ratio](https://dodopayments.com/blogs/current-ratio-formula) comparison covers this distinction in more detail. ### Worked Example: Accounting Quick Ratio Suppose a company has the following balance sheet items: - Cash: $50,000 - Accounts receivable: $30,000 - Marketable securities: $20,000 - Inventory: $40,000 - Current liabilities: $60,000 **Quick Ratio = ($50,000 + $30,000 + $20,000) / $60,000 = $100,000 / $60,000 = 1.67** A ratio above 1.0 means the company can cover its near-term debts with liquid assets alone. A ratio below 1.0 signals potential trouble meeting obligations. ### Accounting Quick Ratio Benchmarks | Ratio | Interpretation | |-------|---------------| | Below 0.5 | Severe liquidity risk | | 0.5 - 1.0 | May struggle to meet short-term obligations | | 1.0 - 1.5 | Adequate liquidity | | 1.5 - 2.0 | Strong liquidity position | | Above 2.0 | Very strong, though excess cash may be underutilized | For most SaaS companies, the accounting quick ratio is less relevant because software businesses carry minimal inventory. The more useful version is the SaaS quick ratio. ## The SaaS Quick Ratio The SaaS quick ratio measures growth efficiency. It compares the revenue you are adding each month to the revenue you are losing. A high ratio means growth is outpacing losses. A low ratio means churn and contraction are eating into your gains. The formula: **SaaS Quick Ratio = (New MRR + Expansion MRR) / (Churned MRR + Contraction MRR)** Each component maps directly to the [MRR breakdown](https://dodopayments.com/blogs/mrr-monthly-recurring-revenue) that subscription businesses should already be tracking: - **New MRR** - revenue from customers acquired this month - **Expansion MRR** - additional revenue from existing customers who upgraded, added seats, or increased usage - **Churned MRR** - revenue lost from customers who cancelled entirely - **Contraction MRR** - revenue lost from existing customers who downgraded or reduced usage ```mermaid flowchart LR A["New MRR $10,000"] --> C["Revenue Added $12,000"] B["Expansion MRR $2,000"] --> C D["Churned MRR $3,000"] --> F["Revenue Lost $4,000"] E["Contraction MRR $1,000"] --> F C --> G["SaaS Quick Ratio 12,000 / 4,000 = 3.0"] F --> G ``` ### Worked Example 1: Healthy SaaS Quick Ratio A B2B SaaS company in a given month: - New MRR: $10,000 (20 new customers at $500 average) - Expansion MRR: $2,000 (8 customers upgraded plans) - Churned MRR: $3,000 (6 customers cancelled) - Contraction MRR: $1,000 (4 customers downgraded) **SaaS Quick Ratio = ($10,000 + $2,000) / ($3,000 + $1,000) = $12,000 / $4,000 = 3.0** A ratio of 3.0 means this company adds $3 of new or expanded revenue for every $1 it loses. That is a strong position for scaling. ### Worked Example 2: Struggling SaaS Quick Ratio A different company in the same month: - New MRR: $5,000 - Expansion MRR: $500 - Churned MRR: $4,000 - Contraction MRR: $1,500 **SaaS Quick Ratio = ($5,000 + $500) / ($4,000 + $1,500) = $5,500 / $5,500 = 1.0** A ratio of 1.0 means every dollar gained is immediately offset by a dollar lost. This company is on a treadmill. [Net MRR growth](https://dodopayments.com/blogs/mrr-monthly-recurring-revenue) is effectively zero, and any slowdown in acquisition will cause the business to shrink. ## SaaS Quick Ratio Benchmarks | Ratio | Interpretation | |-------|---------------| | Below 1.0 | Shrinking - losses exceed gains | | 1.0 - 2.0 | Growing slowly, churn is a drag | | 2.0 - 4.0 | Healthy growth, manageable churn | | Above 4.0 | Strong growth with low relative churn | Mamoon Hamid of Social Capital (now Kleiner Perkins) popularized the benchmark of 4.0 as the target for a healthy SaaS company. That standard is useful but context-dependent. Early-stage companies often have ratios above 4.0 simply because their base is small. Mature companies with large customer bases may sustain strong growth at 2.5 to 3.5. The number matters less than the trend. A quick ratio declining from 4.0 to 2.5 over six months tells you something is deteriorating, even if both numbers look acceptable in isolation. > A SaaS quick ratio is the fastest way to tell whether a subscription business is actually growing or just replacing lost customers. If the ratio is below 2, every growth conversation should start with retention. > > \- Ayush Agarwal, Co-founder & CPTO at Dodo Payments ## Why the SaaS Quick Ratio Matters More Than Net MRR Growth Net MRR growth tells you the absolute dollar change in recurring revenue. The SaaS quick ratio tells you the efficiency of that growth. Two companies can have identical net MRR growth but very different quick ratios. **Company A**: $20,000 new + expansion, $5,000 churned + contraction. Net MRR growth = $15,000. Quick ratio = 4.0. **Company B**: $50,000 new + expansion, $35,000 churned + contraction. Net MRR growth = $15,000. Quick ratio = 1.43. Company B is growing at the same absolute rate but burning through customers far faster. It needs aggressive acquisition spending just to stay flat. If acquisition slows, the business contracts immediately. The quick ratio exposes this dynamic in a way that net MRR growth alone cannot. It is directly related to your [CAC payback period](https://dodopayments.com/blogs/cac-payback-period) and [customer acquisition cost](https://dodopayments.com/blogs/customer-acquisition-cost-saas), because a low quick ratio means you are spending to acquire customers you cannot keep. ## How the Quick Ratio Connects to Other SaaS Metrics The SaaS quick ratio does not exist in isolation. It pulls from and feeds into nearly every other growth and retention metric. ### Churn Rate Your [churn rate](https://dodopayments.com/blogs/churn-rate-analysis) is the denominator's primary driver. High churn means a larger denominator, which pushes the quick ratio down. Reducing churn has a multiplicative effect on the ratio because it simultaneously shrinks the denominator and preserves the base for expansion. [Involuntary churn from failed payments](https://dodopayments.com/blogs/involuntary-churn-failed-payments) is often the most addressable form of churn. Payment failures from expired cards, insufficient funds, or processor errors account for a significant share of total churn in many subscription businesses. ### Net Revenue Retention (NRR) [Net revenue retention](https://dodopayments.com/blogs/net-revenue-retention-nrr) measures how much revenue you retain and expand from your existing customer base, excluding new customers. A company with 120% NRR is growing its existing cohorts by 20% annually through upsells and cross-sells. NRR and the SaaS quick ratio are closely linked. High NRR means strong expansion MRR and low churn, which directly improves the quick ratio. ### LTV:CAC Ratio The [LTV:CAC ratio](https://dodopayments.com/blogs/ltv-cac-ratio) measures unit economics at the individual customer level. The quick ratio measures growth efficiency at the company level. Together, they tell you whether each customer is profitable (LTV:CAC) and whether the overall business is scaling efficiently (quick ratio). ### Revenue Leakage [Revenue leakage](https://dodopayments.com/blogs/revenue-leakage-saas) from billing errors, failed payment retries, or ungated feature access directly reduces the numerator of your quick ratio and inflates the denominator. Fixing leakage improves the ratio without requiring any new customer acquisition. ## How to Improve Your SaaS Quick Ratio There are only two ways to improve the ratio: increase the numerator (add more revenue) or decrease the denominator (lose less revenue). The most effective strategies address both. ### Reduce Involuntary Churn Involuntary churn from [failed payments](https://dodopayments.com/blogs/involuntary-churn-failed-payments) is preventable. Smart retry logic, card updater services, and pre-dunning notifications can recover a significant portion of otherwise-lost revenue. Platforms like [Dodo Payments](https://dodopayments.com) handle payment retry orchestration automatically as part of the [subscription billing](https://docs.dodopayments.com/features/subscription) infrastructure, so you do not need to build and maintain retry logic yourself. ### Increase Expansion Revenue Expansion MRR is the most efficient growth lever because it requires no new acquisition spend. You are selling more to customers who already trust you. Strategies that drive expansion: - Usage-based pricing tiers that grow with customer success - Seat-based models where team adoption increases revenue - Add-on features or modules sold separately - Annual plan upgrades at a discount If your [ARPU](https://dodopayments.com/blogs/arpu-average-revenue-per-user) is flat over customer cohorts, you are missing expansion opportunities. ### Improve Pricing and Packaging Poor pricing creates both contraction MRR (when customers feel they are paying for features they do not use) and churned MRR (when customers hit a pricing cliff and start evaluating alternatives). Review your pricing against the value each tier delivers. Customers should feel they are getting proportionally more value at each price point. If your [gross margin](https://dodopayments.com/blogs/saas-gross-margin) supports it, consider adding a lower-tier plan to reduce full cancellations - a downgrade is always better than a cancellation for your quick ratio. ### Segment by Customer Type Not all customers contribute equally to your quick ratio. Enterprise customers tend to have lower churn and higher expansion rates. SMB customers churn faster but acquire cheaply. Breaking the ratio into segments reveals where the real problems and opportunities sit. This segmentation also helps you understand your [gross revenue vs net revenue](https://dodopayments.com/blogs/gross-revenue-vs-net-revenue) picture more clearly. Revenue quality varies by segment. ## Quick Ratio and Burn Rate The quick ratio has a direct relationship with [burn rate and runway](https://dodopayments.com/blogs/saas-burn-rate-runway). A low quick ratio means you are spending acquisition dollars to replace lost customers rather than to grow. That spending shows up in your burn rate without producing proportional revenue gains. If your quick ratio is below 2.0 and your burn rate is high, the combination is dangerous. You are burning cash without building a durable revenue base. Investors will see this pattern immediately in the metrics. Conversely, a quick ratio above 3.0 with moderate burn suggests the business is scaling efficiently. Each dollar spent on growth is producing compounding returns because retention preserves most of the gains. ## Tracking the Quick Ratio Over Time A single month's quick ratio is noisy. Customer behavior is lumpy, and a large enterprise cancellation can distort any given month. Track the ratio on a rolling three-month or six-month basis to smooth out variance and identify real trends. Key patterns to watch for: - **Declining ratio with growing revenue** - you are acquiring faster but retention is eroding. This is a leading indicator of trouble - **Stable ratio with growing base** - healthy scaling. The business is maintaining growth efficiency as it gets larger - **Rising ratio at scale** - rare and very strong. Usually indicates product-market fit is deepening and expansion revenue is accelerating - **Ratio below 1.0 for two consecutive months** - urgent. The business is contracting and needs immediate attention on churn or new acquisition Track your [ARR](https://dodopayments.com/blogs/what-is-arr-annual-recurring-revenue) alongside the quick ratio to see how monthly efficiency compounds into annual growth. ## Common Mistakes When Using the Quick Ratio ### Ignoring Reactivation MRR Some teams include reactivation MRR (revenue from returning customers) in the numerator. Others exclude it. Be consistent. Reactivation MRR can inflate the ratio and mask weak acquisition if former customers are cycling in and out. ### Mixing Revenue Types Only include recurring revenue in the calculation. One-time payments, implementation fees, and services revenue distort the ratio. If you need help distinguishing these, your [subscription](https://docs.dodopayments.com/features/subscription) billing platform should categorize revenue streams automatically. ### Measuring Too Infrequently Monthly is the minimum cadence. Weekly is better for early-stage companies where the customer base is small enough that individual cancellations move the needle. Quarterly measurements smooth out too much signal and delay your response to deterioration. ### Comparing Across Different Stages A seed-stage company with 50 customers and a Series C company with 5,000 customers should not compare quick ratios directly. The seed company's ratio is inherently volatile. Context matters more than the absolute number. ## FAQ ### What is a good SaaS quick ratio? A SaaS quick ratio of 4.0 or higher is generally considered strong. Ratios between 2.0 and 4.0 indicate healthy growth with manageable churn. Below 2.0 suggests that revenue losses are significantly dragging on growth and retention should be prioritized over acquisition. ### How is the SaaS quick ratio different from the accounting quick ratio? The accounting quick ratio (acid test ratio) measures a company's ability to pay short-term liabilities with liquid assets, using the formula (Current Assets - Inventory) / Current Liabilities. The SaaS quick ratio measures growth efficiency using (New MRR + Expansion MRR) / (Churned MRR + Contraction MRR). They share a name but measure completely different things. ### How often should I calculate the SaaS quick ratio? Calculate it monthly at minimum, and track a rolling three-month or six-month average to smooth out noise from individual large customer movements. Early-stage companies with small customer bases benefit from weekly tracking to catch churn patterns early. ### Can a company have a high quick ratio but still be unhealthy? Yes. A company with very few customers can show a high quick ratio simply because no one has churned yet. The ratio is most meaningful once the customer base is large enough for churn patterns to stabilize, typically above 100 to 200 active subscriptions. ### How does reducing involuntary churn affect the quick ratio? Reducing involuntary churn from failed payments directly lowers the denominator of the SaaS quick ratio, improving the ratio without any change in acquisition or expansion. Since failed payment churn can represent 20% to 40% of total churn, fixing it is often the highest-leverage improvement a team can make. ## Final Thoughts The quick ratio formula gives you a single number that captures whether your SaaS business is building momentum or running in place. It forces you to confront the relationship between growth and retention directly, without the comfort of vanity metrics. Track it monthly. Segment it by customer type. Use it alongside your [LTV:CAC ratio](https://dodopayments.com/blogs/ltv-cac-ratio), [NRR](https://dodopayments.com/blogs/net-revenue-retention-nrr), and [churn analysis](https://dodopayments.com/blogs/churn-rate-analysis) to build a complete picture of growth health. If your quick ratio is strong, double down on what is working. If it is weak, start with retention before pouring more into acquisition. The math is unforgiving: no amount of new revenue can outrun accelerating churn. For subscription businesses looking to improve their quick ratio through better payment infrastructure, [Dodo Payments](https://dodopayments.com) handles retry orchestration, dunning, and global payment acceptance as part of its merchant-of-record model. See [pricing](https://dodopayments.com/pricing) for details. --- - [More SaaS Metrics articles](https://dodopayments.com/blogs/category/saas-metrics) - [All articles](https://dodopayments.com/blogs)