Customer Lifetime Value (CLV / LTV) Calculator
Model gross margin Customer Lifetime Value, discounted cohort cash flows, customer lifespan, CAC payback horizons, and LTV-to-CAC unit economics.
Customer Lifetime Value Formulas & Unit Economics
Customer Lifetime Value (CLV / LTV) quantifies the aggregate net gross profit contributed by a customer throughout their active tenure. Pairing LTV with Customer Acquisition Cost (CAC) establishes the definitive benchmark for sustainable unit economics.
• AOV: $85 | Frequency: 4.0/yr
• Gross Margin: 70% | Churn: 25%
• LTV = $952 / customer
• 25% churn = 4.0 Years lifespan
• 20% churn = 5.0 Years lifespan
• Retention directly multiplies LTV
• Ideal LTV:CAC ratio ≥ 3.0x
• Payback ≤ 12 months for cash efficiency
• Core venture scale metric
Cohort Performance Inputs
AOV & Churn10-Year Cohort Cash Flow & Retention Progression (1,000 Customer Baseline)
Simulating retention decay at 25% annual churn and 10% WACC discounting
| Year | Retention % | Active Cohort | Gross Revenue | Gross Profit | Discounted Cash Flow |
|---|---|---|---|---|---|
| Year 1 | 100% | 1000 users | $340,000 | $238,000 | $216,364 |
| Year 2 | 75% | 750 users | $255,000 | $178,500 | $147,521 |
| Year 3 | 56.3% | 563 users | $191,420 | $133,994 | $100,672 |
| Year 4 | 42.2% | 422 users | $143,480 | $100,436 | $68,599 |
| Year 5 | 31.6% | 316 users | $107,440 | $75,208 | $46,698 |
| Year 6 | 23.7% | 237 users | $80,580 | $56,406 | $31,840 |
| Year 7 | 17.8% | 178 users | $60,520 | $42,364 | $21,739 |
| Year 8 | 13.3% | 133 users | $45,220 | $31,654 | $14,767 |
| Year 9 | 10% | 100 users | $34,000 | $23,800 | $10,094 |
| Year 10 | 7.5% | 75 users | $25,500 | $17,850 | $6,882 |
The 4 Levers to Expand Customer Lifetime Value
In competitive consumer and B2B markets, ad auction inflation causes customer acquisition costs to rise continuously. Companies that master unit economics focus obsessively on expanding Customer Lifetime Value across four strategic levers:
- 1. Increasing Average Order Value (AOV): Deploying dynamic cross-sells, free shipping thresholds, and volume discount bundles directly elevates cash profit per transaction with zero incremental CAC.
- 2. Boosting Purchase Frequency: Implementing post-purchase email flows, replenishment subscriptions, and VIP loyalty rewards encourages repeat orders throughout the calendar year.
- 3. Expanding Gross Margins: Renegotiating supplier contracts, optimizing packaging, and reducing payment processing penalties preserves more gross profit dollars from every sales dollar.
- 4. Combating Customer Churn: Because lifespan equals 1 ÷ Churn, reducing annual churn from 25% to 15% extends average customer lifespan from 4.0 to 6.7 years—generating a 67% increase in LTV without spending a penny more on advertising.
Frequently Asked Questions
Executive LTV Action Checklist
Segment your customer base by acquisition source (Meta ads, Google organic, email referrals) to measure channel-specific LTV:CAC ratios. Reallocate marketing budget to cohorts with the highest 12-month gross margin retention, and maintain strict CAC ceilings pegged to 33% of your 2-year discounted gross profit LTV.
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