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SaaS Churn Rate & Customer Lifetime Value (LTV) Calculator

Calculate Customer Lifetime Value (LTV), LTV to CAC ratio, user logo churn, and MRR churn rate to evaluate venture funding unit economics.

Material & Specification Presets

7 Dynamic Pages

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SaaS Cash & Expense Inputs

Live Real-Time Math

Current Bank Balance ($)Liquid Cash Reserves

Monthly Recurring Revenue (MRR)Current Monthly Cash In

MoM Growth Rate (%):+8%

Target Gross Margin (%):80%

Monthly Operating Overhead (OPEX)

Payroll & Founder Salaries ($)

Cloud Infra & LLM API Fees ($)

Marketing & Paid Ads ($)

SaaS Tooling & Admin ($)

Runway & Burn ProjectionsLive Calculation

Net Cash Runway Remaining:

13.5Months

Zero Cash Date: Oct 2027

Gross Monthly Burn:$17,000

Net Monthly Burn Rate:-$7,400 /mo

Projected MRR in 6 Months (+8% MoM):$19,042

Comprehensive Guide: SaaS Churn Rate & Customer Lifetime Value (LTV) Calculator

Customer Lifetime Value (LTV) calculates the total gross margin profit generated by a customer over their lifetime. Healthy SaaS companies maintain an LTV:CAC ratio > 3.0x.

Mathematical Formula Breakdown

LTV = (ARPU × Gross Margin %) / Monthly Logo Churn %. LTV:CAC Ratio = LTV / Blended CAC.

Industry Pricing Benchmarks

Benchmark LTV:CAC ratio is 3.0x to 5.0x. Logo churn under 1.5%/month is considered healthy for SMB SaaS.

Optimization Strategies

Improve onboarding activation workflows to reduce early churn within the first 60 days.
Implement annual billing incentives (2 months free) to lock in commitment and reduce voluntary churn.

Frequently Asked Questions

What is a good LTV to CAC ratio for SaaS?

3.0x or higher indicates strong scalable unit economics suitable for venture capital expansion.