Calculators by GrowthCalcs
Free interactive calculators for marketing, SaaS, and e-commerce metrics. Enter your own numbers and get instant results with a step-by-step breakdown and the formula explained.
📈 Marketing & Growth
Free calculators for marketing metrics (CPM, CPA, CTR, ROAS), SaaS economics (CAC, LTV, MRR, churn), and e-commerce KPIs (AOV, cart abandonment, ACoS).
Conversion Rate Calculator
Find out what share of your traffic actually converts. Enter your visits and conversions to get your conversion rate as a percentage inst...
CPA Calculator
Find out exactly what each conversion costs. Enter your total ad spend and number of conversions to calculate cost per acquisition (CPA) ...
CPM Calculator
Turn your campaign spend and impression volume into cost per thousand impressions. Enter total cost and impressions to calculate CPM inst...
CTR Calculator
Measure how compelling your ads or listings are. Enter clicks and impressions to calculate click-through rate (CTR) as a percentage insta...
LTV Calculator
Find out what a customer is really worth over their whole relationship with you. Enter average order value, purchase frequency, and lifes...
ROAS Calculator
See how many dollars each advertising dollar returns. Enter revenue from ads and your ad spend to run the ROAS calculation instantly, wit...
Latest guides
Conversion Rate Benchmarks by Industry in 2026
The average conversion rate for Google Ads search campaigns in 2026 is 8.18%, ranging from 2.64% in finance to 16.22% in animals & pets. ...
How to Calculate ROAS: Formula, Examples and What Is a Good Ratio
Return on ad spend (ROAS) tells you how much revenue your ads generate for every dollar invested. Learn the formula, follow a worked exam...