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).

ACoS Calculator

Advertising cost of sales is ad spend divided by ad-attributed sales: spend $1,200 to earn $4,000 and ACoS is 30%. Add your gross margin ...

AOV Calculator

Average order value is the revenue each order brings on average: divide total revenue by the number of orders in the same period. Add mar...

CAC Calculator

Find out what it really costs to win one customer. Enter your total sales and marketing spend and the number of new customers it produced...

Cart Abandonment Rate Calculator

Cart abandonment rate is the share of shoppers who add an item to a cart but never buy: abandoned carts divided by carts created. Enter b...

Churn Rate Calculator

Churn rate is the share of customers you lose in a period: divide the customers who canceled by the customers you had at the start, then ...

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...

MRR / ARR Calculator

Turn subscribers and pricing into predictable revenue. Enter your active customers and average revenue per customer to get monthly recurr...

NRR Calculator

Net revenue retention measures how much recurring revenue you keep from the customers you already had, once expansion, contraction and ch...

Payback Period Calculator

See how many months of revenue it takes to earn back what you spent acquiring a customer. Enter your CAC and monthly revenue per customer...

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...

Sell-Through Rate Calculator

Sell-through rate is the share of units received that actually sold in the period: units sold divided by units received. Enter both count...