Tools That Tell You What the Pricing Page Won't
Four free calculators built for SaaS founders. No signup, no email, no catch.
Find out whether Zapier, Make, or n8n is cheapest for your exact monthly operation volume — before you commit to an annual plan.
Automation Platform Cost Calculator
Compare Zapier vs Make vs n8n at your actual usage volume. Includes annual plan savings and self-hosting estimate.
* Prices based on publicly listed rates as of May 2026. Zapier and Make pricing tiers are approximate — verify at zapier.com/pricing and make.com/en/pricing before committing. n8n self-hosted cost is server estimate only.
See exactly how much revenue churn is costing you per month — and what reducing it by even 1% does to your ARR over 12 months.
SaaS Churn Impact Calculator
Calculate the true revenue cost of your current churn rate and model the impact of reducing it.
* Projections assume constant growth rate and do not account for expansion revenue or seasonal variation. Use as directional guidance only.
Burn multiple is the metric Series A investors check first. Calculate yours and see how it compares to the benchmarks investors use to evaluate SaaS efficiency.
SaaS Burn Multiple Calculator
Calculate your burn multiple, compare it to Series A benchmarks, and see the levers that move it fastest.
* Benchmarks based on publicly reported Series A investor guidance as of 2026. Individual investor expectations vary. Figures are directional estimates only.
CAC payback period tells you how long it takes to recover the cost of acquiring each customer. Under 12 months is the benchmark most Series A investors look for.
CAC Payback Period Calculator
Calculate your customer acquisition cost, payback period, and LTV:CAC ratio against investor benchmarks.
* LTV calculation uses average lifetime and ARPU. Actual LTV varies with expansion revenue, contraction, and payment terms. Benchmarks based on publicly reported investor guidance as of 2026.
Need deeper analysis for your SaaS stack?
Automaiva covers tool comparisons, cost breakdowns, and implementation guides.
Free SaaS Calculators — What Each One Measures and Why It Matters
This page is a free SaaS metrics calculator suite built for founders and operators who need instant answers to the financial questions that come up every week — in board meetings, investor conversations, and budget decisions. All four calculators run entirely in your browser. No data is sent anywhere. No email required. No signup. The numbers stay on your screen.
Each calculator below covers one of the four metrics that most directly determine whether a B2B SaaS business is building on a solid foundation or growing on a crumbling base. Understanding how to calculate b2b saas metrics — and knowing which number to look at first — is what separates founders who run their business from founders who are run by it.
Automation Platform Cost Calculator — Zapier vs Make vs n8n
The automation platform cost calculator above answers the question most SaaS teams never ask until they get their annual renewal invoice: is the platform you chose at seed stage still the cheapest option at your current usage volume? The answer changes significantly between 2,000 and 50,000 monthly operations — and most teams do not realise they crossed the cost crossover point months ago.
The three platforms in this calculator approach pricing completely differently. Zapier charges per task — every individual action step in a workflow counts. Make charges per operation with a more generous definition and significantly lower cost per unit at mid-to-high volume. n8n is open-source and either cloud-hosted at a flat monthly rate or self-hosted at server cost only. At 10,000 monthly operations, the annual cost difference between Zapier and Make is approximately $480. At 50,000 operations, it exceeds $2,000. The calculator shows you the exact crossover point for your volume.
How to use it: Enter your total monthly tasks or operations across all active workflows — not per workflow. Add your team size and skill level to get the n8n self-hosted cost estimate. Select annual billing to see the plan savings built into Zapier and Make's annual pricing. The calculator shows monthly and annual cost for each platform and highlights the cheapest option for your specific inputs.
What counts as an operation or task
On Zapier, one task equals one successful action step — each step in a multi-step Zap counts separately. A five-step Zap that runs 1,000 times per month consumes 5,000 tasks. On Make, one operation equals one module execution — similar to Zapier but with a more generous free tier and lower per-unit cost on paid plans. On n8n, there is no per-operation billing — you pay a flat monthly fee for the cloud version or server costs only for self-hosted. Understanding this difference is essential for accurate cost modelling. A team that switched from counting total Zap runs to counting total task steps typically discovers their effective monthly operation count is 3 to 5 times higher than assumed.
When to switch platforms
Switch from Zapier to Make when your monthly task volume consistently exceeds 5,000 and your team has at least one person comfortable with a visual workflow builder. Switch from Make to n8n self-hosted when your volume exceeds 40,000 monthly operations and you have a developer available to manage deployment and maintenance. If neither condition is met, Zapier's no-code simplicity justifies its premium cost — the hidden cost of a developer's time rebuilding workflows on a cheaper platform can quickly exceed the savings.
SaaS Churn Impact Calculator — Revenue Loss and ARR Forecast
The SaaS churn impact calculator above shows exactly how much revenue your current churn rate is removing from your business every month — and what reducing it by even one or two percentage points delivers to your ARR over a 12-month forecast period. The churn calculation for SaaS is simple arithmetic, but most founders have never run the full number including the compounding effect over 12 months.
How to calculate churn rate for SaaS: divide the number of customers lost in a period by the number of customers at the start of that period, then multiply by 100 to get a percentage. For revenue churn, divide MRR lost in a period by MRR at the start of that period. The churn rate calculation for SaaS looks identical whether you are measuring customer churn or revenue churn — but the outputs tell very different stories. A company that loses 5 percent of customers but only 3 percent of MRR is losing its smallest accounts, which is a manageable situation. A company that loses 3 percent of customers but 7 percent of MRR is losing its largest accounts, which is a critical warning signal.
How to use it: Enter your current MRR and average contract value per customer per month. Set your current monthly churn rate using the slider — industry average for B2B SaaS is 3 to 7 percent monthly. Set your target churn rate to see the ARR impact of hitting that target. Enter your monthly new customer growth to get a full 12-month MRR forecast under both the current and target churn scenarios. The difference between those two scenarios is the financial case for investing in retention.
SaaS churn benchmarks 2026
| Monthly churn rate | Implied annual churn | NRR signal | Investor view |
|---|---|---|---|
| Under 1% | Under 12% | NRR likely 110%+ | World-class — strong product-market fit signal |
| 1% to 2% | 12% to 22% | NRR likely 100%+ | Healthy — fundable without concern |
| 2% to 5% | 22% to 46% | NRR 90% to 100% | Acceptable — will face questions on retention strategy |
| 5% to 10% | 46% to 72% | NRR below 90% | Significant concern — churn must be addressed before raise |
| Above 10% | Above 72% | NRR far below 90% | Critical — structural product or ICP problem |
Benchmarks based on aggregated B2B SaaS industry data as of 2026. Individual results vary by product category, ACV, and market segment.
Why reducing churn by 1% matters more than it sounds
At $25,000 MRR with 5 percent monthly churn, you are losing $1,250 in MRR every month — $15,000 per year — that must be replaced by new customers before net growth can occur. Reducing churn from 5 percent to 4 percent saves $250 per month. Over 12 months with 10 new customers per month at $150 average contract value, that one percent improvement adds approximately $4,800 to your closing ARR. The calculator above models this precisely for your actual numbers. Run it before your next board meeting.
SaaS Burn Multiple Calculator — Capital Efficiency Benchmark
The burn multiple calculator above measures how efficiently your SaaS company converts cash into new ARR. It was introduced by David Sacks as a capital efficiency metric that cuts through vanity growth metrics and asks one direct question: for every dollar you burn, how much net new ARR are you generating? A burn multiple of 1.0x means you spent $1 to generate $1 of new ARR. A burn multiple of 3.0x means you spent $3 to generate $1 of new ARR.
The formula is simple: divide your net cash burned in a period by your net new ARR generated in the same period. Net cash burned is total operating cash outflow minus any revenue collected. Net new ARR is new ARR added minus churned ARR in the same period. The result tells investors how capital-efficient your growth is — and at Series A, it has become one of the first numbers they calculate before the second meeting.
How to use it: Enter your net cash burned over the last 6 months and your net new ARR added over the same 6-month period. The calculator applies the same period to both inputs so the comparison is consistent. Add your current total ARR and monthly burn rate to see runway and ARR growth rate alongside the burn multiple. Select your company stage to see the relevant investor benchmark for your specific situation.
Burn multiple benchmarks by stage 2026
| Stage | Excellent | Good | Acceptable | Needs work |
|---|---|---|---|---|
| Seed | Under 1.0x | 1.0x to 1.5x | 1.5x to 2.5x | Above 2.5x |
| Series A | Under 1.0x | 1.0x to 1.5x | 1.5x to 2.0x | Above 2.0x |
| Series B | Under 0.75x | 0.75x to 1.0x | 1.0x to 1.5x | Above 1.5x |
Benchmarks based on publicly reported investor guidance as of 2026. Individual investor expectations vary significantly.
The three levers that move your burn multiple fastest
Burn multiple improves when either cash burned decreases or net new ARR increases — or both simultaneously. The three levers with the fastest impact: first, increase average contract value through pricing or packaging changes, which adds ARR without adding sales headcount. Second, improve sales cycle velocity, which generates the same ARR from a shorter burn period. Third, reduce churn, which improves net new ARR by reducing the ARR leaving through the bottom of the bucket while new ARR pours in from the top. The burn multiple calculator above models your current position — improving it requires action on one or more of these three levers. Figures are directional estimates. Individual results vary.
CAC Payback Period Calculator — LTV:CAC and Unit Economics
The CAC payback period calculator above tells you how many months it takes to recover the cost of acquiring each customer through the gross margin that customer generates. How to calculate CAC payback period: divide your customer acquisition cost by the monthly gross margin contribution per customer. If your CAC is $1,500 and each customer contributes $140 per month in gross margin (ARPU of $200 at 70 percent gross margin), your CAC payback period is 10.7 months.
The CAC payback period calculation is the most practically useful unit economics metric for pre-Series B SaaS companies because it tells you how quickly each sales and marketing dollar comes back — which directly determines how fast you can grow without running out of cash. A 6-month payback means you can redeploy that capital into the next acquisition cycle before the year is out. A 24-month payback means you are tying up capital in each customer relationship for two full years before net positive returns begin.
How to use it: Enter your total sales and marketing spend for the last quarter — including salaries, commissions, advertising, events, and tools. Enter the number of new customers acquired in the same quarter. Add your ARPU per month and gross margin percentage. Use the LTV slider to set your average customer lifetime in months, or let the churn rate slider calculate it automatically (implied lifetime = 1 divided by monthly churn rate). The calculator returns your CAC, payback period, LTV, and LTV:CAC ratio compared to investor benchmarks.
LTV:CAC and CAC payback benchmarks for B2B SaaS 2026
| Metric | Strong | Acceptable | Needs improvement |
|---|---|---|---|
| CAC payback period | Under 12 months | 12 to 18 months | Above 18 months |
| LTV:CAC ratio | Above 3x | 2x to 3x | Below 2x |
| Gross margin | Above 70% | 60% to 70% | Below 60% |
| Implied customer lifetime | Above 36 months | 24 to 36 months | Below 24 months |
Benchmarks based on publicly reported investor guidance and aggregated B2B SaaS data as of 2026. Individual results vary by ACV, sales model, and market segment.
The fastest ways to improve CAC payback period
CAC payback period improves when either CAC decreases or gross margin contribution per customer per month increases. CAC decreases when inbound lead quality improves — a customer acquired through organic search converts with less sales effort than a cold outbound lead, reducing the sales cost allocated per acquisition. Gross margin contribution per customer increases when ARPU increases through pricing changes or expansion revenue, or when gross margin percentage improves through infrastructure efficiency. The compounding effect of improving both simultaneously is significant — reducing CAC by 20 percent and increasing ARPU by 15 percent at the same gross margin transforms a 16-month payback into a 9-month payback, which materially changes the capital efficiency of every growth dollar you deploy.
Frequently Asked Questions
How do I calculate b2b SaaS metrics accurately?
The four most important B2B SaaS metrics to calculate accurately are churn rate, burn multiple, CAC payback period, and LTV:CAC ratio. For churn rate, divide customers or MRR lost in a period by the starting count or MRR and multiply by 100. For burn multiple, divide net cash burned by net new ARR in the same period. For CAC payback, divide your CAC by monthly gross margin contribution per customer. For LTV:CAC, divide customer lifetime value (monthly gross margin times average lifetime in months) by CAC. The four calculators on this page automate all of these calculations from your inputs.
What is a good monthly churn rate for SaaS in 2026?
A good monthly churn rate for B2B SaaS in 2026 is below 2 percent, which implies an annual churn rate of approximately 22 percent and typically supports a net revenue retention rate above 100 percent when expansion revenue is included. The industry average monthly churn for B2B SaaS is approximately 3 to 5 percent depending on ACV and market segment. High-ACV enterprise SaaS products typically see monthly churn below 1 percent because annual contracts reduce voluntary churn and implementation investment increases switching costs. High-velocity SMB SaaS products often see monthly churn of 3 to 7 percent. The SaaS churn impact calculator above shows you what your specific churn rate is costing in annual ARR. Benchmarks based on aggregated industry data and may not reflect all team experiences.
What is the difference between customer churn and revenue churn?
Customer churn measures the percentage of customers who cancel in a period. Revenue churn (also called MRR churn) measures the percentage of MRR lost in a period. The two numbers can diverge significantly and tell different stories. If a business loses 10 percent of its customers but only 3 percent of its MRR, it is losing small accounts — concerning but manageable. If it loses 3 percent of customers but 15 percent of MRR, it is losing its largest accounts — a critical warning sign that enterprise retention needs immediate attention. Always track both. The churn impact calculator above uses MRR and average contract value to model revenue churn impact.
What burn multiple should I target before my Series A?
Target a burn multiple below 1.5x before your Series A — ideally below 1.0x. A burn multiple of 1.5x means for every $1.50 you burn, you generate $1.00 of net new ARR. Series A investors have increasingly cited burn multiple as a primary diligence metric since the 2022 to 2023 efficiency reset in SaaS funding. A burn multiple above 2.0x will typically require a strong narrative about why capital efficiency will improve post-raise. A burn multiple below 1.0x is a strong positive signal that your go-to-market motion is capital-efficient enough to justify additional investment. The burn multiple calculator above benchmarks your current number against stage-specific investor thresholds. Benchmarks based on publicly reported investor guidance and may not reflect all investor expectations.
How are these calculators different from other free SaaS calculators?
Most free SaaS calculators are built by companies that sell SaaS financing or SaaS tools and are designed to encourage you to apply for their product. These four calculators are built by Automaiva — an editorial site with no financing product, no SaaS tool to sell, and no interest in your email address. The outputs are your outputs. No data leaves your browser. No results are stored. No follow-up email sequence is triggered. The calculators are here because founders running these numbers before board meetings and investor conversations make better decisions — and that is the only reason.
Can I use these calculators on mobile?
Yes. All four calculators are responsive and work on mobile browsers. The tab navigation at the top of the page allows switching between calculators without losing inputs on the active tab. Range sliders may be easier to use on larger screens — for very precise inputs on mobile, tap the slider and use your device's left and right arrow keys if available, or enter the value directly in the number input fields where shown.
More from Automaiva
- SaaS Churn Prevention Automation: Build an Early Warning System That Saves Accounts Before They Cancel (2026)
- SaaS Capital Efficiency: Burn Multiple Guide for Founders Preparing for Series A (2026)
- Zapier vs Make vs n8n: Which Automation Tool Pays for Itself Fastest at Your Usage Volume? (2026)
- 7 SaaS Pricing Page Mistakes That Kill Conversion — and the Exact Fix for Each (2026)
- AI Automation ROI Calculator — Calculate Your Payback Period Before Committing to a Platform
Disclaimer: All benchmarks, figures, and estimates on this page are based on aggregated industry research, publicly reported investor guidance, and user-reported data as of May 2026. SaaS metrics vary significantly based on product category, ACV, market segment, and growth stage. These calculators are provided for informational purposes only and do not constitute professional financial, investment, or business advice. Always verify platform pricing directly with each vendor before making a purchase decision.