SaaS calculators, without the lead-gen wall.
The numbers that run a B2B SaaS business, calculated in your browser. No email gate, no sign-up, no sales call to see the result. Pick a metric and get an answer, a benchmark, and the formula behind it.
02 / Featured tool
Start here. ROAS Calculator.
Enter ad revenue and spend. Get your return on ad spend as a multiple, ratio, and percentage — plus the break-even number most teams skip.
ROAS Calculator
The fastest read on whether a paid channel is paying for itself, in plain English, with the break-even line you should actually judge it against.
Open calculatorYou enter
Ad revenue, ad spend
You get
ROAS, break-even ROAS
03 / The toolkit
Every calculator, grouped by what it answers.
Filter by category, search by name. 99 calculators live, all free.
Revenue & Retention
10 / 10ARR
The predictable yearly subscription money you expect from customers.
→ Annual recurring revenueCustomer Churn Rate
The % of customers who leave in a time period.
→ Customer (logo) churn rateGRR
How much revenue you keep from existing customers, ignoring expansion.
→ Gross revenue retention %MRR
The predictable subscription money you get each month.
→ Monthly recurring revenueNRR
How much revenue you keep AND grow from existing customers.
→ Net revenue retention %ACV
The average yearly value of a contract.
→ Annual contract valueARPA / ARPU
Average monthly revenue per customer account (or per user).
→ Average revenue per account/userLogo Retention Rate
The flip side of logo churn: % of customers you keep.
→ Retention rate %Revenue Churn Rate
The % of recurring revenue lost (ignores expansion).
→ Gross revenue churn rateTCV
The total value of a contract over its full term.
→ Total contract valueUnit Economics
07 / 07CAC
Average total cost to win one paying customer.
→ Customer acquisition costCAC Payback Period
How many months to earn back what it cost to get a customer.
→ Payback period in monthsLTV
How much gross profit one customer brings before leaving.
→ Customer lifetime valueLTV:CAC Ratio
Comparison of customer value to cost to acquire.
→ LTV to CAC ratioGross Margin
Money left after COGS to pay for everything else.
→ Gross margin %Unit Economics
How much gross profit one customer brings before leaving.
→ LTV, CAC, payback, ratioContribution Margin
Profit after variable costs, before fixed costs.
→ Contribution margin and %Efficiency & Growth
09 / 09Rule of 40
A simple quality test: growth % + profit % about 40% or more.
→ Rule of 40 scoreSaaS Magic Number
How efficiently sales & marketing spend turns into new ARR.
→ Magic numberGrowth Rate
How much bigger revenue or ARR is vs last year/quarter.
→ Growth rate %Net New ARR
ARR added after expansions and losses.
→ Net new ARRSaaS Quick Ratio
Growth quality: how much new/expand you add vs how much you lose.
→ SaaS quick ratioLead Velocity Rate
How fast qualified leads are growing month over month.
→ Lead velocity rate %Sales Efficiency
Revenue growth per $1 of S&M after subtracting churn.
→ Sales efficiency multipleSpend as % of Revenue
How much of revenue you spend on selling & marketing.
→ Spend ratio %T2D3 Growth Projection
A hyper-growth pattern: ARR triples twice, then doubles three times.
→ 5-year ARR projectionBurn & Cash
08 / 08Burn Rate
Cash spent minus cash coming in per month.
→ Gross and net burnRunway
How many months you can operate before cash is gone.
→ Months of runwayBurn Multiple
How much cash you burn to add $1 of net new ARR.
→ Burn multipleEBITDA
Profit before interest, taxes, depreciation, and amortization.
→ EBITDAFree Cash Flow
Cash left after all expenses and investments.
→ Free cash flowOperating Margin
Profit from operations as a % of revenue.
→ Operating margin %Cash Conversion
How well accounting profit turns into cash.
→ Cash conversion %Working Capital
Money tied up in day-to-day operations.
→ Working capitalFunnel & Conversion
05 / 05Conversion Rate
The % of visitors who do the action you want (signup, trial, purchase).
→ Conversion rate %Bounce Rate
The % of sessions with only one page viewed.
→ Bounce rate %Form Completion Rate
The % of people who finish a form after starting it.
→ Form completion rate %Landing Page Conversion Rate
How well a landing page turns visitors into leads or signups.
→ Landing page conversion rate %Exit Rate
The % of pageviews that end the session on that page.
→ Exit rate %Paid Media
18 / 18ROAS
Revenue you earn per $1 of ad spend.
→ ROAS (x)CPA
Cost to get one desired action (e.g., signup or purchase).
→ Cost per acquisitionCPC
How much you pay for each click on an ad.
→ Cost per clickCPL
Cost for each new lead captured.
→ Cost per leadCPM
Cost to show your ad 1,000 times.
→ Cost per 1,000 impressionsCTR
The % of people who click when they see your ad or link.
→ Click-through rate %ROMI
Revenue return relative to marketing spend.
→ ROMI %Incremental ROAS
ROAS measured against a control that saw no ads.
→ Incremental ROASMER
Total revenue ÷ total marketing spend (all channels).
→ MER (x)Share of Search
Your share of search interest vs competitors.
→ Share of search %Share of Voice
Your share of all the talking in your category.
→ Share of voice %Ad Frequency
Average number of times each person saw your ad.
→ Average frequencyAd Rank
The value determining your ad's position in the auction.
→ Ad rankCPQA
Cost for each target company (account) that meets your quality bar.
→ Cost per qualified accountCPQL
Cost for each lead that meets your quality bar.
→ Cost per qualified leadCPV / CPCV
Cost per video view or per completed view.
→ Cost per view / completed viewImpression Share
The share of available impressions your ads actually won.
→ Impression share %Video Completion Rate
Share of viewers who watch a video ad to the end.
→ Video completion rate %Sales Pipeline
11 / 11Funnel Conversion
The % of people who move from one step to the next.
→ Per-stage conversion and drop-offPipeline Coverage
How much sales pipeline you have vs your target.
→ Pipeline coverage ratioPipeline Velocity
How fast pipeline turns into revenue.
→ Pipeline velocity (revenue/day)Win Rate
The % of qualified deals you end up winning.
→ Win (close) rate %Average Deal Size
The average price customers pay per deal.
→ Average deal size (ASP)MQL to SQL Conversion
The % of MQLs that become SQLs.
→ MQL to SQL conversion %Quota Attainment
How much of their target a seller actually hits.
→ Quota attainment %Billings-to-Revenue
How invoices turn into recognized revenue.
→ Billings-to-revenue ratioBookings-to-Billings
How much of what you sell is invoiced now.
→ Bookings-to-billings ratioForecast Accuracy
How close the sales forecast is to actual results.
→ Forecast error / accuracy %Sales Productivity
Revenue per seller or per AE per period.
→ Bookings per repProduct & PLG
12 / 12Trial-to-Paid Conversion
The % of trial users who become paying customers.
→ Trial-to-paid conversion %Activation Rate
The % of new signups who hit the Aha! actions.
→ Activation rate %Adoption Rate
Share of customers actively using key features.
→ Adoption rate %DAU/MAU Stickiness
How often monthly users come back daily.
→ Stickiness %Free-to-Paid Conversion
The % of free users or trials who start paying.
→ Free-to-paid conversion %K-Factor (Virality)
How many new users each user brings on average.
→ Viral K-factorOnboarding Completion Rate
The % of new users who finish the setup steps.
→ Onboarding completion %Paywall Conversion Rate
The % who upgrade when they hit a paywall.
→ Paywall conversion %Reactivation Rate
The % of past users who come back.
→ Reactivation rate %Referral Rate
The % of new users who came from referrals.
→ Referral rate %Seat Expansion Rate
How fast paying accounts add more users/seats.
→ Seat expansion rate %Session Frequency
How many sessions a user has per period.
→ Sessions per userCustomer & CS
05 / 05NPS
How likely customers are to recommend you, on a 0-10 scale.
→ Net Promoter ScoreCSAT
Satisfaction with a specific interaction or product.
→ CSAT %Renewal Rate
The share of contracts that renew.
→ Renewal rate %CES
How easy it was for a customer to get something done.
→ Customer Effort ScoreSupport Deflection Rate
The % of issues solved without contacting support.
→ Support deflection rate %Email Click Rate
The % of delivered emails that got a click.
→ Click rate %Email Open Rate
The % of recipients who open your email (note: tracking can be noisy).
→ Open rate %Click-to-Open Rate
The % of openers who clicked.
→ Click-to-open rate %Email Bounce Rate
The % of emails that couldn't be delivered.
→ Email bounce rate %Spam Complaint Rate
The % who marked your email as spam.
→ Spam complaint rate %Unsubscribe Rate
The % of recipients who opted out.
→ Unsubscribe rate %Valuation
05 / 05EV/Revenue Multiple
How many dollars the market pays for each dollar of revenue/ARR.
→ EV/Revenue (or EV/ARR) multipleEnterprise Value
What the whole business is worth to a buyer (equity + debt − cash).
→ Enterprise valueIRR
The annual % return of an investment that makes NPV = 0.
→ Internal rate of return %NPV
Today's value of future cash flows after subtracting the investment.
→ Net present valueWACC
The average 'price' of the money you use (debt + equity).
→ WACC %Market Sizing
01 / 0104 / You measured it
Now move it.
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