CAC Calculator · 2025

Free CAC Calculator
Customer Acquisition Cost

Enter your total marketing and sales spend, new customers acquired, and LTV — get your CAC, LTV:CAC ratio, payback period, and cost breakdown instantly.

✓ CAC Calculation ✓ LTV:CAC Ratio ✓ Payback Period ✓ Benchmark Analysis

Marketing Spend

All costs to attract prospects

Paid & Digital
$
$
$
$
Agency & Events
$
$
$
$

Sales Spend

Costs to convert prospects to customers

$
Pro-rate if part-time on acquisition
$
$
$
$

Customers & LTV

Acquired customers and lifetime value

$
Average total revenue a customer generates over their lifetime
$
Used for payback period
CAC Results
⚡ LIVE

Enter your spend

Your CAC appears here as you type

Customer Acquisition Cost
$0
per new customer acquired
LTV:CAC — — mo payback
Marketing Spend$0
Sales Spend$0
Total Spend
$0
CAC
$0
LTV:CAC Ratio
Target: 3:1 or better
Payback Period
months to recover CAC
LTV:CAC Benchmark
Poor (<1x)

Full Acquisition Cost

Enter marketing and sales spend separately — ads, agency fees, salaries, commissions, and tools all included.

LTV:CAC Ratio

Know whether your customer acquisition is efficient before you scale — with benchmark analysis built in.

CAC Payback Period

Calculate how many months of gross profit it takes to recover your customer acquisition cost.

100% Free

No signup, no limits. Calculate your CAC, model scenarios, and make smarter growth decisions — free forever.

How It Works

Your unit economics in 3 steps.

CAC, LTV:CAC ratio, and payback period — calculated instantly from your real spend data.

01
Step 01

Enter your acquisition spend.

Input your total marketing spend — ads, agency fees, tools, and content. Then add sales spend: rep salaries pro-rated to acquisition time, commissions, and CRM costs.

02
Step 02

Add customers & LTV.

Enter the number of net-new paying customers acquired in the same period, your average customer lifetime value, and your gross margin percentage.

03
Step 03

Review your unit economics.

See your CAC, LTV:CAC ratio, and payback period instantly. Adjust inputs to model improvements — better targeting, higher conversion rates, or tighter sales cycles.

Complete Guide

How to Calculate & Reduce Customer Acquisition Cost

Everything you need to understand CAC, LTV:CAC ratio, payback period, and how to use them to grow profitably.

Why use Agency Handy's CAC Calculator?

The short answer: because scaling without knowing your CAC is scaling blind.

Free to use, always

No account, no trial, no credit card. Every calculation, completely free.

CAC, LTV:CAC & payback in one

Three key growth metrics calculated together — so you know whether your acquisition is efficient before you scale it.

Model improvements instantly

Adjust spend, conversion rates, or LTV and see the impact on your payback period in real time — before making a budget decision.

Find out if your growth is sustainable today.

Enter your numbers and know your CAC in under a minute. No signup required.

Calculate now — it's free
FAQ

Got questions?

Common questions about customer acquisition cost and growth metrics