Customer Lifetime Value Calculator: know what a customer is really worth.
Enter your average order value, how often customers buy and how long they stay. We'll estimate customer lifetime value (CLV), the profit behind it, and the maximum you can afford to spend to win each new customer.
- 100% free, unlimited use
- Max acquisition cost included
- Built by 300+ marketing specialists
Calculate customer lifetime value
Use averages from the last 12 months or more. Estimates are fine to start.
Your result
What is customer lifetime value, and why it matters
Customer lifetime value (CLV, sometimes LTV) is the total a typical customer spends with you from their first purchase to their last. It turns "one sale" into "one relationship".
That matters most when you set ad budgets. If you only look at the first order, a campaign that breaks even on day one can look like a failure. Once you know CLV, you know how much you can afford to pay to win a customer and still make money over time.
Estimate CLV in 4 steps
Average purchase value
Total revenue divided by number of orders over the last 12 months. Leave out one-off bulk orders that skew it.
Purchase frequency
Orders divided by unique customers over a year. For subscriptions, use billing cycles per year.
Customer lifespan
How many years a typical customer keeps buying. For subscriptions, a rough guide is 1 ÷ annual churn rate.
Margin and ratio
Add gross margin for profit-based CLV and choose a CLV:CAC ratio to get your max acquisition cost.
Reading your CLV:CAC ratio
Customer acquisition cost (CAC) is what you spend in marketing and sales to win one customer. Comparing it with lifetime value shows whether growth is healthy. A 3:1 ratio is a common rule of thumb, not a law: businesses with fast cash flow may accept less, and slow-payback models often need more.
Also watch payback period: how many months it takes a customer's gross profit to repay their CAC. A great ratio with a long payback can still strain cash flow.
6 ways to increase customer lifetime value
Raising CLV lets you outbid competitors for the same customer and still make more money.
Nail onboarding
The first order or first weeks set the tone. Clear delivery, setup help and a quick win make a second purchase far more likely.
Raise order value
Bundles, relevant add-ons and free-shipping thresholds lift average purchase value without extra acquisition cost.
Time the next purchase
Use email and SMS flows timed to when customers usually reorder or need a refill, service or upgrade.
Reduce churn
Ask why customers leave, fix the top reasons, and reach out when usage or orders drop, before they cancel.
Reward loyalty
Loyalty perks, subscriptions and member pricing give good customers a reason to stay and spend more.
Acquire the right customers
Some channels bring bargain hunters who never return. Compare CLV by source and shift budget to the best cohorts.
CLV vs CAC: two sides of one equation
| Customer lifetime value | Customer acquisition cost | |
|---|---|---|
| Question it answers | What is a customer worth over time? | What does it cost to win one? |
| Simple formula | Order value × frequency × lifespan | Marketing + sales cost ÷ new customers |
| How to improve it | Retention, repeat purchases, higher order value | Better targeting, conversion rate, creative |
| Best used for | Setting how much you can afford to bid | Checking what you actually pay |
This calculator uses a simple, undiscounted model. For long lifespans, remember that money earned years from now is worth less today, so treat long-range CLV cautiously.
How our paid media specialists use it every day
We built the Customer Lifetime Value Calculator for our own team first. Here is where it earns its place in real client work.
- 01Budget planning
We model spend, targets and break-even points before a single dollar goes live.
- 02Weekly optimisation
Every account is checked against these metrics weekly, so wasted spend is cut fast.
- 03Client reporting
Clear, plain-English reports tie ad metrics back to leads, sales and revenue.
Spend to win customers worth winning.
Our paid media and retention specialists connect your ad budgets to customer lifetime value, so you bid confidently and keep customers buying for longer.
- Free CLV and CAC review of your channels
- Ad budget and bidding plan based on lifetime value
- Email and retention flow opportunities
Keep optimising with related tools
CPA CalculatorKnow exactly what each lead or sale costs and your target CPA.Use free tool 
ROAS CalculatorSee how much revenue every ad dollar returns, plus your break-even ROAS.Use free tool 
Conversion Rate CalculatorMeasure conversion rate and see what a lift is worth.Use free tool 
CPC CalculatorFind your real cost per click and the max CPC you can afford.Use free tool Customer Lifetime Value Calculator: common questions
Still unsure what your results mean? Our team will walk you through them for free.
Ask a specialistHow do you calculate customer lifetime value?
A simple model multiplies average purchase value by purchases per year and by customer lifespan in years. For example, $75 × 4 purchases × 3 years = $900 CLV. Multiply by your gross margin to get lifetime profit.
Should I use revenue or profit for CLV?
Use profit when you set acquisition budgets. Revenue-based CLV ignores the cost of the product or service, so it can make you overspend. Profit-based CLV (revenue × gross margin) is the safer figure.
What is a good CLV to CAC ratio?
3:1 is a widely used rule of thumb: a customer is worth three times what it cost to acquire them. The right ratio for you depends on cash flow, payback period and growth goals, which is why you can set your own ratio in the calculator.
How much should I spend to acquire a customer?
Divide lifetime gross profit by your target CLV:CAC ratio. With $360 lifetime profit and a 3:1 target, you can spend up to $120 on marketing and sales to win each new customer.
How do I estimate customer lifespan?
Look at how long past customers kept buying. For subscription businesses a quick estimate is 1 ÷ annual churn rate, so 25% annual churn suggests a four-year lifespan. If you are new, start with a conservative guess.
Can Elite Information Tech help me grow CLV and lower CAC?
Yes. We review your ad channels, acquisition costs and retention flows for free, then give you a plan to win better customers for less and keep them longer. Request your audit here.
Get a free growth audit built around your CLV
Our specialists will review your results, show you where you are losing money or traffic, and give you a clear 90-day plan to fix it.
- Personalised audit of your ads, SEO or website
- Competitor snapshot and quick wins
- 90-day action plan with a recommended budget