Calculators
Discover calculators built in Ferra.
CAC Calculator
Find out what winning one customer really costs once salaries and tools are counted alongside the ads.
ExploreCustomer Lifetime Value Calculator
Put a number on the gross profit an average customer delivers before they churn.
ExploreLTV:CAC Ratio
Set lifetime value against acquisition cost to see if your growth spend actually pays for itself.
ExploreCAC Payback Period Calculator
Count the months before a new customer's gross profit covers what you paid to win them.
ExploreRetention Rate Calculator
Measure how many customers you actually kept, with new signups stripped out so they can't hide the losses.
ExploreRule of 40 Calculator
Add growth rate to profit margin and see whether the total clears the 40-point bar investors watch.
ExploreBurn Multiple Calculator
One division tells you what every dollar of net new ARR costs you in cash.
ExploreSaaS Magic Number Calculator
See how much annualized recurring revenue each sales and marketing dollar actually bought.
ExploreSaaS Quick Ratio Calculator
One number that shows whether new MRR is outrunning the MRR leaking away.
ExploreNPS Calculator
Turn promoter, passive, and detractor counts into a score you can track wave over wave.
ExploreConversion Rate Calculator
Find the percentage of visitors who take the action your page exists for.
ExploreROAS Calculator
Check how much tracked revenue every advertising dollar returns.
ExploreCPM Calculator
Price out what a thousand impressions cost on any campaign or channel.
ExploreEngagement Rate Calculator
Measure the share of your followers who interact with a typical post.
ExploreEmail Marketing ROI Calculator
See what an email campaign returns per dollar, before you hit send or after the report lands.
ExploreAverage Order Value Calculator
Divide revenue by orders to learn what a typical checkout is really worth.
ExploreBreak-Even Calculator
Pin down how many units you have to sell before revenue covers every cost.
ExploreGross Margin Calculator
Turn revenue and cost of goods sold into gross profit, gross margin, and markup.
ExploreCAGR Calculator
Find the one steady annual rate that carries a starting value to its ending value.
ExploreCompound Interest Calculator
Project what a lump sum grows into once interest starts earning interest of its own.
ExploreSales Tax Calculator
Add tax to a sticker price and get the total your buyer actually pays, or pull the tax back out of a receipt.
ExplorePercentage Increase Calculator
Measure how far a value moved, up or down, in percent terms and in raw difference.
ExploreA/B Test Significance Calculator
Find out if the gap between two conversion rates is a real difference or random noise.
ExploreDays Between Dates Calculator
Count the days and weeks separating any two calendar dates.
ExploreReading Time Calculator
Turn a word count into the minutes it takes to read, silently or out loud.
ExploreFTE Calculator
See what your mix of full-time and part-time staff adds up to in full-time workers.
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