Customer Acquisition Cost Calculator
v1CAC = Sales and marketing spend / New customers acquired
Initial tracked version. Future changes will show formula diffs here.
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Formula version history
Each calculator is versioned so methodology changes can be reviewed and linked with ?v=.
CAC Payback Calculator
v1CAC payback = CAC / (ARPA * Gross margin)
Initial tracked version. Future changes will show formula diffs here.
LTV / CLTV Calculator
v1LTV = ARPA * Gross margin / Monthly churn rate
Initial tracked version. Future changes will show formula diffs here.
LTV:CAC Ratio Calculator
v1LTV:CAC = LTV / CAC
Initial tracked version. Future changes will show formula diffs here.
Net Revenue Retention Calculator
v1NRR = (Beginning revenue - churn - contraction + expansion) / Beginning revenue * 100
Initial tracked version. Future changes will show formula diffs here.
Gross Revenue Retention Calculator
v1GRR = (Beginning revenue - churn - contraction) / Beginning revenue * 100
Initial tracked version. Future changes will show formula diffs here.
SaaS Churn Calculator
v1Logo churn = Churned customers / Starting customers; gross revenue churn = lost MRR / starting MRR
Initial tracked version. Future changes will show formula diffs here.
ARR / MRR / ARPA / ACV Calculator
v1ARR = MRR * 12; ARPA = MRR / paying accounts; ACV = annual contract value / annual contracts
Initial tracked version. Future changes will show formula diffs here.
Rule of 40 Calculator
v1Rule of 40 = Revenue growth % + EBITDA margin %
Initial tracked version. Future changes will show formula diffs here.
SaaS Magic Number Calculator
v1Magic Number = (Current quarter ARR - Prior quarter ARR) / Prior quarter sales and marketing spend
Initial tracked version. Future changes will show formula diffs here.
Burn Multiple Calculator
v1Burn multiple = Net burn / Net new ARR
Initial tracked version. Future changes will show formula diffs here.
SaaS Quick Ratio Calculator
v1Quick ratio = (New MRR + Expansion MRR) / (Churned MRR + Contraction MRR)
Initial tracked version. Future changes will show formula diffs here.
Rule of X Calculator
v1Rule of X = (Revenue growth % × growth weight) + Free cash flow margin %
Initial tracked version. Future changes will show formula diffs here.
Net New ARR Calculator
v1Net new ARR = New ARR + Expansion ARR - Churned ARR - Contraction ARR
Initial tracked version. Future changes will show formula diffs here.
Runway and Scenario Calculator
v1Runway (months) = Cash on hand / Monthly net burn
Initial tracked version. Future changes will show formula diffs here.
Pipeline Coverage Calculator
v1Pipeline coverage = Qualified pipeline / Revenue target
Initial tracked version. Future changes will show formula diffs here.
Sales Velocity Calculator
v1Sales velocity = Opportunities × Average deal size × Win rate / Sales cycle days
Initial tracked version. Future changes will show formula diffs here.
Win Rate Calculator
v1Win rate = Won deals / Total closed deals × 100
Initial tracked version. Future changes will show formula diffs here.
GTM Efficiency Score Calculator
v1GTM efficiency = (Net new ARR / Sales and marketing spend) × NRR × Gross margin
Initial tracked version. Future changes will show formula diffs here.