Free Marketing Calculators
Fast, accurate calculators for ROI, ROAS, CPC, conversion rate, and other growth and ad-spend math.
ROI Calculator
Measure return on investment for any campaign or spend.
ROAS Calculator
Calculate return on ad spend for paid campaigns.
CPC Calculator
Find your average cost per click.
CPM Calculator
Calculate cost per 1,000 impressions.
CPA Calculator
Work out your cost per acquisition.
CTR Calculator
Calculate click-through rate.
Conversion Rate Calculator
Calculate your conversion rate.
CAC Calculator
Calculate customer acquisition cost.
Customer LTV Calculator
Estimate customer lifetime value.
Average Order Value Calculator
Calculate your average order value.
Profit Margin Calculator
Calculate profit margin, profit, and markup.
Break-Even Calculator
Find how many units you must sell to break even.
Discount Calculator
Calculate sale price and savings.
Percentage Change Calculator
Calculate percentage increase or decrease.
Churn Rate Calculator
Calculate customer churn and retention.
Engagement Rate Calculator
Calculate social media engagement rate.
Percentage Calculator
Work out percentages three different ways.
Markup Calculator
Add a markup to your cost to set the selling price.
Sales Tax Calculator
Add sales tax or VAT to any amount.
About these marketing calculators
Free marketing and digital marketing calculators for the metrics that decide whether a campaign works — ROI, ROAS, CPC, CPM, CPA, CTR, conversion rate, CAC, customer LTV, average order value, churn rate, and engagement rate. Enter your numbers and get the result instantly, with the formula and a benchmark for context. Whether you need a quick ROAS calculator or a full digital marketing calculator set for a client report, it's all here — free, no sign-up required.
Frequently asked questions
What's the difference between ROI and ROAS?
ROAS is revenue divided by ad spend (a channel-level metric); ROI accounts for all costs and profit. Calculate both free here.
What is a good LTV to CAC ratio?
A 3:1 lifetime-value-to-acquisition-cost ratio is the widely used SaaS benchmark. Use the CAC and LTV calculators to check yours.
Are these calculators free for agencies?
Yes — all marketing calculators are free with no limits, so you can use them for client reporting and campaign planning.