LTV Calculator

Calculate customer lifetime value (LTV) for your SaaS product x the total revenue you can expect from a customer over their lifetime.

LTV Calculator

Choose a calculation method based on available data:

Customer Lifetime Value
x

LTV Formulas

LTV (SaaS) = ARPU x Gross Margin % / Monthly Churn Rate

LTV (Ecommerce) = AOV x Purchase Frequency x Customer Lifespan
ARPU
Average revenue per user per month.
Gross Margin %
Percentage of revenue remaining after direct costs (COGS/hosting/support).
Monthly Churn Rate
Percentage of customers who cancel each month. Lower is better.
Customer Lifespan
Average duration of a customer relationship = 1 / Monthly Churn Rate.

Average Customer Lifespan (months) = 1 / Monthly Churn Rate
At 2% monthly churn: lifespan = 1/0.02 = 50 months (x4.2 years)

Example

ARPU$50/month
Gross Margin75%
Monthly Churn Rate2%
Customer Lifespan50 months
Formula$50 x 75% / 2%
LTV = $1,875

At $1,875 LTV, you can profitably spend up to $625 to acquire a customer (targeting a 3:1 LTV:CAC ratio). If your current CAC exceeds this, you need to either increase LTV or reduce CAC.

How to Increase Customer Lifetime Value

LTV is the multiplier on every dollar you invest in growth. Doubling LTV without changing CAC means you can double your acquisition spend and stay at the same payback period x a massive competitive advantage. Here's how to systematically increase LTV for SaaS businesses.

1. Reduce Churn Rate

Churn has a compounding negative effect on LTV x it's in the denominator. Halving churn from 4% to 2% doubles LTV. Focus on the first 90 days: most churn is rooted in failed onboarding. Map your activation milestones (the actions correlated with long-term retention), and build automated sequences to get every new user there. Proactive customer success outreach at 14/30/60 day marks catches at-risk accounts before they decide to cancel.

2. Increase ARPU Through Expansion Revenue

Expansion MRR (upgrades, seat additions, usage-based billing overages) is the most efficient LTV driver x these customers already trust your product. Build natural upgrade paths in your pricing: usage-based features (storage, API calls, seats) that expand as customers grow. Send proactive upgrade suggestions when customers approach tier limits. Best-in-class SaaS companies generate 120%+ net revenue retention x meaning expansion revenue exceeds churn revenue.

3. Improve Product-Market Fit Depth

Customers who deeply integrate your product into their workflow churn at dramatically lower rates. Identify "sticky" features x the integrations, data history, or workflows that are painful to replicate elsewhere. Drive adoption of these features in onboarding. The more a customer's business depends on your product, the longer their lifetime and higher their LTV.

4. Implement Annual Billing

Converting monthly subscribers to annual plans has two LTV benefits: you receive 12 months of revenue upfront (improves cash flow and reduces CAC payback), and annual customers churn at 3-5x lower rates than monthly customers (psychological commitment and friction of cancellation). Offer a 15-20% discount for annual to make the switch compelling. Many SaaS businesses report 30-40% of revenue coming from annual plans after actively promoting them.

5. Build a Customer Success Function

Reactive support (waiting for customers to report problems) is far less effective at retention than proactive success. A dedicated customer success function monitors health scores (login frequency, feature adoption, support ticket volume), intervenes before churn signals appear, and drives QBRs (quarterly business reviews) for higher-value accounts. ROI on customer success investment is typically 3-5x when measured against reduced churn and increased expansion revenue.

Frequently Asked Questions

LTV benchmarks vary by price point and market segment. More useful than an absolute number is the LTV:CAC ratio x a ratio of 3:1 or higher is the standard benchmark for healthy SaaS unit economics. The absolute LTV should at minimum justify your CAC at a 3:1 ratio and cover your CAC payback period within 12-18 months.
Yes x LTV should reflect gross margin, not revenue. LTV = ARPU x Gross Margin / Churn gives you the present value of future gross profit per customer, which is what's available to cover CAC and other costs. Using revenue-based LTV overstates how much you can spend on acquisition. For most SaaS, gross margins are 60-80%, so the adjustment is significant.
Churn is the most powerful lever on LTV. At 1% monthly churn, average lifespan = 100 months. At 5% churn, lifespan = 20 months x 5x shorter. LTV is directly proportional to 1/churn. This means reducing churn from 5% to 2.5% doesn't just cut your churn in half x it doubles your LTV. Churn reduction almost always has higher ROI than ARPU expansion at high churn rates.
LTV (Lifetime Value) and CLV (Customer Lifetime Value) are the same metric x the terms are used interchangeably. Some analysts use "CLV" for the present discounted value of future cash flows (using a discount rate), while "LTV" is used for the simpler formula. In practice, most SaaS companies use the simpler ARPU/churn formula and call it either LTV or CLV.
Negative churn means expansion revenue exceeds revenue lost to cancellations x a very healthy state. The simple LTV formula breaks down with negative churn (division by a negative number). Instead, use cohort analysis to project actual future revenue from retained customers. In practice, negative churn makes LTV extremely high x your constraint becomes growth capital for acquisition, not LTV.

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