Customer Lifetime Value Calculator


LTV to CAC Ratio Calculator

Calculate your Customer Lifetime Value (LTV), Customer Acquisition Cost (CAC), and evaluate startup marketing unit economics.

1. Customer Economics

$


orders


years


%

2. Acquisition Costs

$

Customer Lifetime Value (LTV)
$1,260

LTV / CAC Ratio Health
12.6x (Great)

LTV to CAC Scale
12.6x Ratio


Exceptional Economic Leverage. High margins with low acquisition overhead.

Evaluation Metrics Calculated Values
Gross Revenue per Customer (Lifespan) $1,800.00
Net Value per Customer (LTV) $1,260.00
Customer Acquisition Cost (CAC) $100.00
LTV to CAC Ratio 12.60x
Months to Recover CAC (Payback Period) 2.9 months
Growth Benchmark: A healthy LTV/CAC ratio is **3.0x or higher**. A ratio of 1.0x means you are barely breaking even, and below 1.0x means you lose capital on every acquisition.

What is Customer Lifetime Value (LTV)?

Customer Lifetime Value (LTV, or sometimes CLV) represents the total net profit a business projects to earn from a single customer over the entire duration of their relationship. Calculating LTV is critical because it tells companies exactly how much they can afford to spend on marketing and sales campaigns to acquire a customer without losing profitability.

How to Calculate the LTV to CAC Ratio

Evaluating your marketing efficiency requires comparing your **LTV** directly against your **CAC (Customer Acquisition Cost)**. The calculation is broken down into two distinct phases:

Phase 1: Calculate Customer Lifetime Value

LTV = Average Order Value × Purchase Frequency × Customer Lifespan × Gross Margin %

Phase 2: Calculate the LTV to CAC Ratio

LTV/CAC Ratio = LTV / Customer Acquisition Cost (CAC)

Why the LTV to CAC Ratio is Critical for Growth

Venture capital firms, lenders, and startup founders evaluate the LTV/CAC ratio as the ultimate metric of product-market fit and operational scaling efficiency:

  • Great (>3.0x): The industry standard for healthy growth. You earn 3x more from a customer than it costs to acquire them. This signals it is safe to increase advertising spend.
  • Inefficient (1.0x – 2.0x): You are barely recovering ad spend. High churn, low margins, or high ad click costs are holding back business scaling.
  • Negative (<1.0x): The business loses money on every acquisition. This requires immediate adjustments to pricing models or client retention.

How to Improve Customer Lifetime Value

  • Boost Customer Retention (Reduce Churn): Increasing your customer lifespan has a direct, linear multiplier effect on your LTV. Focus on onboarding, support, and email newsletter loops.
  • Optimize Average Order Value (AOV): Offer product bundles, up-sells, cross-sells, or free shipping thresholds to increase the shopping cart size.
  • Improve Gross Profit Margins: Lower sourcing COGS, renegotiate manufacturer pricing, or transition to higher-margin digital assets.