Marketing & Growth Calculators
Scale your growth marketing with mathematical precision. Calnora provides digital marketing agencies, SaaS founders, and performance marketers with 14 specialized calculators for unit economics (CAC/LTV), paid media efficiency (ROAS, CPM, CPC, CPA), recurring revenue forecasts (MRR/ARR/NRR), and statistical hypothesis testing for conversion rate optimization.
Available calculators in Marketing & Growth (14)
CAC & LTV Calculator
Analyze Customer Acquisition Cost vs Lifetime Value and discover your business unit economics health ratio.
ROAS & Ad Spend ROI
Calculate Return on Ad Spend (ROAS), target ROAS, profit margin, and break-even advertising thresholds.
CPC, CPM, CTR & CPA Calculator
Calculate and cross-convert cost per click, cost per thousand impressions, click-through rate, and CPA.
Conversion Rate Calculator
Find conversion rates from visitors to leads, trials, and paying customers with confidence intervals.
Churn Rate & Retention
Estimate monthly and annual customer churn, revenue churn, and average customer lifespan.
Email Marketing ROI
Calculate campaign revenue, open rates, click-to-open rates (CTOR), and overall email channel ROI.
Social Media Engagement Rate
Measure engagement rate per post, follower, and impression across Instagram, YouTube, TikTok, and X.
Markup vs Margin
Convert between cost-plus markup and gross margin from cost and selling price.
MRR & ARR Calculator
Annual recurring revenue from MRR, with churn and expansion adjustments.
A/B Test Significance
Two-proportion z-test, conversion lift, and p-value for A/B experiments.
Ad Budget & Reach
Estimate impressions, clicks, conversions, CPC, and CPA from budget, CPM, and CTR.
Marketing Funnel & ROAS
End-to-end performance funnel: Impressions → Clicks → Leads → Sales → Revenue.
Pricing Strategy & Markup
Calculate selling price, gross margin, markup percentage, and profit per unit.
Net Revenue Retention (NRR)
Calculate SaaS Net Revenue Retention from expansion, churn, and reactivation.
Frequently Asked Questions — Marketing & Growth
What is a healthy CAC to LTV ratio for SaaS businesses?
A benchmark ratio of 3:1 (LTV:CAC) or higher is widely considered healthy, with a customer acquisition cost payback period under 12 months for capital efficiency.
How does the A/B test calculator determine statistical significance?
It runs a two-proportion z-test comparing control vs. variant conversion rates, generating a two-tailed p-value and standard error confidence bounds.