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Free LTV:CAC Ratio Calculator

Calculate the LTV:CAC ratio that signals whether your DTC brand can scale paid acquisition profitably.

Use this free LTV:CAC calculator to check your unit economics, model payback periods, and benchmark your ratio against DTC industry averages. Built for Shopify and direct-to-consumer brands.

✓ Free to use ✓ No signup ✓ Built for DTC brands ✓ Updates in real time

💰 Your Customer Metrics

Lifetime Value Inputs

Average Order Value (AOV)

Average amount a customer spends per order

Purchase Frequency (per year)

Average number of orders per customer per year

orders/yr

Customer Lifespan

Average number of years a customer stays active

years

Gross Margin

Revenue minus cost of goods sold (eCommerce avg: 40–70%)

Acquisition Cost Inputs

Total Monthly Acquisition Spend

Marketing + sales spend per month used to acquire new customers

New Customers per Month

Average new customers acquired each month

📊 Your LTV:CAC Analysis

LTV : CAC Ratio

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Enter your metrics to see your LTV:CAC ratio

Customer LTV (Revenue)

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Gross Profit LTV

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Customer Acquisition Cost

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Payback Period

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Annual Customer Value

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Monthly Revenue (New Custs)

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LTV:CAC Health Score

<1:12:13:15:17:1+

LTV:CAC stuck below 3:1?

TGM manages $314M+ in DTC ad spend across 200+ brands

Healthy LTV:CAC comes from both sides — we optimize CAC via paid + creative and lift LTV via email + retention.

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Trusted by 200+ DTC brands

Healthy DTC LTV:CAC: 3:1+ is the gold standard. 1:1 means break-even. Below 1:1 = losing money on every customer.
Formula: LTV ÷ CAC. LTV = AOV × Purchase Frequency × Customer Lifespan × Gross Margin.
5:1+ usually means under-investing in growth. Healthy brands trade some ratio for faster top-line scale.
Two levers: raise LTV (retention, AOV, frequency) or lower CAC (creative, audience, lifecycle email).
Highest-leverage moves: retention email/SMS lifts LTV 15–25%; creative refresh + audience expansion typically cuts CAC 20–30%.

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DTC LTV:CAC Benchmarks by Vertical

Median LTV:CAC ratios across DTC verticals. Subscription brands skew highest; one-time-purchase brands skew lowest.

Vertical	Median LTV:CAC	Top Quartile	Best in Class
Apparel & Fashion	2.5:1	3.5:1	5:1+
Beauty & Skincare	3.0:1	4.5:1	7:1+
Health & Supplements	3.5:1	5:1	8:1+
Food & Beverage	2.0:1	3:1	5:1+
Home & Garden	2.2:1	3.2:1	5:1+
Electronics & Tech	1.8:1	2.8:1	4:1+
Pet Products	3.2:1	4.5:1	6:1+
Subscription / Recurring	4.0:1	6:1	10:1+

Source: TGM client portfolio across 200+ DTC accounts. Subscription brands include consumables + auto-replenish; one-time-purchase brands target higher gross margins to compensate for shorter LTV horizon.

LTV:CAC vs. Payback Period vs. Gross Margin vs. MER — What you are actually measuring

Metric	What it measures	Formula	When to use it
LTV:CAC Ratio	Lifetime value vs cost to acquire	LTV ÷ CAC	Long-term unit economics + scaling decisions
Payback Period	Months to recover CAC from gross profit	CAC ÷ Monthly Gross Profit per Customer	Cash-flow planning + investor reporting
Gross Margin	% of revenue left after COGS	(Revenue − COGS) ÷ Revenue	Per-product profitability
MER (Marketing Efficiency Ratio)	Total revenue per total marketing dollar	Total Revenue ÷ Total Marketing Spend	True scaling metric — less attribution noise

LTV:CAC is the long-term unit-economics view; payback is the cash-flow view. A 3:1 ratio with 18-month payback can starve a brand of cash. A 2:1 ratio with 4-month payback funds itself. Track both.

What Is LTV:CAC Ratio and Why Does It Matter?

LTV:CAC is the ratio of customer lifetime value to customer acquisition cost. It’s the single most important unit-economics metric for any DTC brand running paid acquisition — it tells you whether each customer is worth what you paid to get them. A 3:1 ratio means you earn $3 in LTV for every $1 spent acquiring a customer. The metric is forward-looking (LTV is a projection) and platform-agnostic (CAC includes all marketing spend, not just one channel).

The LTV:CAC Formula

LTV:CAC = LTV ÷ CAC

LTV = AOV × Purchase Frequency × Customer Lifespan × Gross Margin. CAC = Total Marketing Spend ÷ New Customers Acquired. Use the calculator above to model both halves at once.

How LTV:CAC Connects to Growth Capital and Profitability

LTV:CAC is the single biggest predictor of whether a DTC brand can fund its own growth. Below 1:1, every customer is a loss — the brand is burning capital, not building it. 1:1 to 2:1 is treadmill territory: you cover acquisition but build no margin runway. 3:1+ is healthy — enough margin to reinvest in growth, fund inventory, and absorb seasonal swings. 5:1+ usually signals under-investment: there’s margin to spend more on acquisition and accelerate top-line, but the brand is sitting on it. The right ratio depends on growth stage: early-stage brands often run 1.5–2.5:1 to scale faster; mature brands optimize for 3:1+ profitability.

What Is a Good LTV:CAC for eCommerce Brands?

The 3:1 benchmark comes from SaaS but applies broadly to DTC. One-time-purchase brands (gifts, electronics) need 4–5:1 because LTV is essentially first-order value. Repeat-purchase brands (apparel, beauty) target 3:1 with 50%+ repeat rate. Subscription / consumable brands can run at 2–2.5:1 because LTV compounds quickly. The trap is targeting too HIGH a ratio — brands stuck at 6:1+ are typically leaving acquisition runway on the table. Use the calculator above to find your specific ratio, then compare to the benchmark table above for your vertical.

Diagnose: why is your LTV:CAC too low?

Run through these in order. The first “yes” usually points at the highest-leverage fix.

If your repeat-purchase rate is below 30%

LTV is being capped by lack of retention. Build Klaviyo welcome + abandoned-cart + post-purchase flows; add SMS for 30%+ subscribers. Lifecycle email typically lifts repeat rate 15–25%.

If your CAC is > 50% of contribution margin

Acquisition cost is consuming most of your unit profit. Use our CAC Calculator to benchmark. Fix CAC before scaling spend — better creative, broader audience (Advantage+), retention email.

If your AOV is below your category benchmark

Lower AOV = lower LTV per cohort. Bundles, free-shipping thresholds, post-purchase upsells (ReConvert / OneClickUpsell) typically lift AOV 15–30% — which directly compounds into LTV.

If you measure LTV at 12 months only

Most DTC brands drastically under-count LTV by truncating at 1 year. Subscription / repeat-buyer cohorts often deliver 60–80% of total LTV in months 13–36. Calculate true 24- or 36-month LTV.

If your gross margin is below 50%

Even with good retention, low margin caps LTV upside. Negotiate COGS, raise prices selectively, or build a higher-margin SKU mix. Gross margin compounds with every repeat purchase.

If you are reporting platform CAC, not blended CAC

Platform CAC understates true customer cost. Use blended CAC (all marketing spend ÷ new customers) for unit economics. Use our CAC Calculator.

10 ways to improve your LTV:CAC ratio this quarter

Tactics ordered by typical impact on LTV:CAC. Most ship in a single sprint or quarter.

Build Klaviyo welcome + abandoned-cart + post-purchase flows. Lifecycle email lifts LTV 15–25% for the same ad spend — the fastest LTV lever.
Add a subscription / replenish option. Even 15% subscription mix doubles LTV for those cohorts and dramatically lifts blended ratio.
Test post-purchase upsells. Apps like ReConvert / OneClickUpsell typically add 8–15% to AOV and lift first-order LTV.
Refresh creative every 14 days to lower CAC. Lower CAC = higher ratio. Frequency >3.5 / week tanks ad efficiency.
Move scaling spend to broader audiences. Advantage+ Audience usually beats hand-built segments by 15–30% on CAC.
Add SMS for top 30% of email subscribers. SMS-active customers spend 2–3× LTV of email-only customers.
Cut bottom 20% of ad sets weekly. Reallocates budget to high-converting audiences and lowers blended CAC 10–20% in 7 days.
Build a referral program. Referred customers have 25%+ higher LTV and 60% lower CAC. Compound effect on ratio.
Add brand-search to balance blended CAC. Branded Google Search has 5–10× lower CAC than cold prospecting.
Track LTV at 24 months, not 12. Many DTC brands have 50%+ of their LTV after month 12. Reporting too short caps the ratio artificially.

What this calculator cannot tell you

True LTV beyond your cohort horizon. 24-month or 36-month LTV captures most repeat-buyer behavior, but the very-best customers can keep buying for years.
Channel-level LTV variance. Customers acquired from Google Search often have 30%+ higher LTV than Meta cold traffic. Average LTV hides channel differences.
CAC payback. Pair with payback-period analysis. A 3:1 ratio with 18-month payback can still starve a brand of cash.
Discount sensitivity. Heavy promo / coupon-driven LTV often degrades 6–12 months after purchase. Strip promo from LTV for true number.

LTV:CAC glossary

LTV (Customer Lifetime Value): Total gross profit a customer generates over their relationship. Formula: AOV × Purchase Frequency × Customer Lifespan × Gross Margin. Use our LTV Calculator.
CAC (Customer Acquisition Cost): Total marketing spend divided by new customers acquired. Always blended (paid + organic + email + content). Use our CAC Calculator.
LTV:CAC Ratio: LTV ÷ CAC. The most important unit-economics metric for DTC brands. 3:1+ is healthy; below 1:1 is unsustainable.
Payback Period: Months to recover CAC from gross profit. Healthy DTC brands target < 12 months. Subscription brands often < 6 months. Different from LTV:CAC ratio — both matter.
Gross Margin: (Revenue − COGS) ÷ Revenue. The biggest input into LTV. A 70% margin brand can profitably ad-spend at much lower CAC than a 30% margin brand.
Repeat Rate: % of customers who make a second purchase. Drives most of LTV growth. Healthy DTC brands target 30%+; subscription brands target 60%+.
AOV (Average Order Value): Revenue ÷ Orders. Direct multiplier on LTV. Use our AOV Calculator.
Cohort Analysis: Tracking customer behavior by acquisition month. The right way to measure LTV — reveals retention curves and payback timing.
MER (Marketing Efficiency Ratio): Total revenue ÷ total marketing spend. Less attribution noise than ROAS. Use as scaling metric alongside LTV:CAC.
Contribution Margin: Revenue minus all variable costs. The most accurate per-order profitability. Use our Contribution Margin Calculator.

We have helped 200+ DTC brands hit 3:1+ LTV:CAC

If your ratio is below 3:1, we’ll show you which CAC + LTV levers to pull — calc-driven, free, no obligation.

Book a Free Unit-Economics Audit →

Frequently Asked Questions

What is a good LTV:CAC ratio for DTC brands?

3:1 is the gold-standard benchmark. Below 1:1 means losing money on each customer. 1:1–2:1 is break-even territory. 3:1+ is healthy — enough margin to reinvest in growth. 5:1+ usually means under-investing in acquisition. Subscription brands often run 4–6:1; one-time-purchase brands need 4–5:1 to compensate for shorter LTV horizon.

How is LTV:CAC ratio calculated?

LTV:CAC = LTV ÷ CAC. LTV = AOV × Purchase Frequency × Customer Lifespan × Gross Margin. CAC = Total Marketing Spend ÷ New Customers Acquired. The calculator above does both halves at once and projects payback period.

What’s the difference between LTV:CAC and payback period?

LTV:CAC is the long-term unit-economics view (total profit vs total cost). Payback period is the cash-flow view (months to recover CAC from gross profit). A 3:1 ratio with 18-month payback can still starve a brand of cash. Track both: LTV:CAC for scaling decisions, payback for cash-flow planning.

How do I improve my LTV:CAC ratio?

Two levers: raise LTV or lower CAC. Highest-leverage LTV moves: lifecycle email (Klaviyo welcome + abandoned cart + post-purchase), subscription/replenish option, post-purchase upsells, AOV bundles. Highest-leverage CAC moves: refresh creative every 14 days, broaden audience (Advantage+), add brand search, cut bottom-20% ad sets weekly.

Should I use blended CAC or platform CAC for LTV:CAC?

Always blended CAC. Platform CAC (Meta-only, Google-only) understates true cost because it ignores organic, email, and content spend. Blended CAC = total marketing spend ÷ new customers. Platform CAC is fine for in-channel optimization but wrong for unit-economics decisions.

How long should I measure LTV?

24 months minimum for most DTC brands; 36 months for subscription / consumable. Many brands under-count LTV by truncating at 12 months — subscription / repeat-buyer cohorts often deliver 50%+ of total LTV in months 13–36. Use cohort analysis to see the real curve.

Is a 5:1 LTV:CAC ratio always good?

Not necessarily. 5:1+ usually signals under-investment in acquisition — you have margin to spend more on growth and aren’t doing it. Healthy brands trade some ratio for top-line scale: dropping from 5:1 to 3:1 by spending more on prospecting often grows revenue 50%+ at the same profit dollars.

How does subscription affect LTV:CAC?

Subscription dramatically improves LTV:CAC. Even a 15% subscription mix doubles LTV for those cohorts and lifts blended ratio 30–50%. The compounding effect is why subscription DTC brands often run at 4–6:1 vs 2–3:1 for one-time-purchase brands.

How does iOS 14.5 / cookie loss affect LTV:CAC?

It mostly affects CAC reporting, not LTV. Platform-attributed CAC under-reports true costs because conversions are lost. Use blended CAC (total marketing spend ÷ new customers from your CRM / Shopify data) instead of platform-reported CAC. CAPI / server-side tracking partially restores visibility.