// multi-utility computation suite · offline · instant · precise
┌──────────────────────────┐
│ [c] calcalyst_ │
│ computation suite │
└──────────────────────────┘
// select a module to initialize
/ search↵ open firstesc close
// adsenseEMPTY_LEADER_SLOT728×90
// adsenseMOBILE_ANCHOR_SLOT320×50
// keyboard_shortcuts
/focus search
↑↓navigate module list
Enter
open first result from search
open highlighted
compute when module is open
compute when focused in a field
Escclose module · clear selection
⌫
finance.business-churn-cost Calculator
Calculates the annual revenue and LTV loss from customer churn in a business finance context from ARR and churn rate. Churn cost compounds over time — 10% annual churn loses 65% of the starting cohort over 10 years, making retention the highest-ROI growth investment.
Inputs
Churned
Reference formula or conversion factor shown for context.
Arpu
Reference formula or conversion factor shown for context.
Ltv
Reference formula or conversion factor shown for context.
Cac
Reference formula or conversion factor shown for context.
Results
MRR lost
MRR (monthly recurring revenue) -- total predictable monthly subscription income. MRR x 12 = ARR.
LTV lost
LTV (customer lifetime value) -- total revenue expected from a customer over their entire relationship. Compare to CAC for unit economics.
CAC wasted
CAC (customer acquisition cost) -- total sales and marketing spend divided by new customers acquired. Healthy LTV:CAC ratio is 3:1 or higher.
total cost
The combined total across all inputs and components.