# Revenue Memo

> Revenue Memo is a newsletter that unpacks how great companies make money.

This file provides information about Revenue Memo to help large language models understand and reference this publication's content.

## Posts
- [EBITDA calculator: What it measures and what it hides](https://www.revenuememo.com/p/ebitda-calculator): Free EBITDA calculator. Start from operating profit or from net income, add back depreciation and amortisation, and get EBITDA, EBIT, and the EBITDA margin.
- [Discount rate calculator: What future money is worth today](https://www.revenuememo.com/p/discount-rate-calculator): Free discount rate calculator. Enter any three of present value, future value, term, or rate, and it solves for the fourth, with nominal, periodic, and effective annual rates.
- [CPA calculator: What a customer actually costs to acquire](https://www.revenuememo.com/p/cpa-calculator): Free cost per acquisition calculator. Enter any two of spend, conversions, or CPA to get the third, then add customer value to see whether the acquisition actually pays.
- [Opportunity cost calculator: What the road not taken actually costs](https://www.revenuememo.com/p/opportunity-cost-calculator): Free opportunity cost calculator. Put the same capital into two different uses over the same period and see exactly what choosing one costs you, with optional tax and inflation adjustments.
- [CPC calculator: What a click costs and how it relates to CPM](https://www.revenuememo.com/p/cpc-calculator): Free CPC and CPM calculator. Enter whatever you know from impressions, clicks, spend, click-through rate, cost per click, or cost per thousand, and it works out the rest.
- [Price elasticity of demand calculator: What happens when you change price](https://www.revenuememo.com/p/price-elasticity-of-demand-calculator): Free price elasticity of demand calculator using the midpoint formula. Enter price and quantity before and after a change to get the elasticity, the revenue effect, and the effect on gross profit.
- [Break-even calculator: How much you have to sell to stop losing money](https://www.revenuememo.com/p/break-even-calculator): Free break-even calculator. Enter your price, variable cost per unit, and fixed costs to get the units and revenue you need to cover everything.
- [Payback period calculator: How long until the money comes back](https://www.revenuememo.com/p/payback-period-calculator): Free payback period calculator. Enter an initial investment and the cash it returns to get the payback period, with a discounted version that accounts for the time value of money.
- [Intrinsic value calculator: Graham's formula for what a share is worth](https://www.revenuememo.com/p/intrinsic-value-calculator): Free intrinsic value calculator using Benjamin Graham's revised formula. Enter earnings per share, expected growth, and a bond yield to get a value per share and a margin of safety.
- [Basis point calculator: How to convert bps to percent](https://www.revenuememo.com/p/basis-point-calculator): Free basis point calculator. Convert between basis points, percent, permille, and decimals, then apply the result to any amount to see what it is worth in cash.
- [FTE calculator: How to convert a mixed team into full-time equivalents](https://www.revenuememo.com/p/fte-calculator): Free FTE calculator. Enter each group of staff and the hours they work to get your full-time equivalent headcount, plus the payroll cost that goes with it.
- [CTR calculator: How to work out click-through rate](https://www.revenuememo.com/p/ctr-calculator): Free CTR calculator. Enter any two of impressions, clicks, or click-through rate to get the third, and add a conversion rate to see what those clicks actually produce.
- [DCF calculator: How to value a business on its future cash](https://www.revenuememo.com/p/dcf-calculator): Free discounted cash flow calculator. Project five years of free cash flow, apply a discount rate and a terminal growth rate, and get enterprise value, equity value, and a fair value per share.
- [Business valuation calculator: What a company is actually worth](https://www.revenuememo.com/p/business-valuation-calculator): Free business valuation calculator. Value a company by multiples, by assets, by market capitalisation, and by discounted cash flow, and see all four answers side by side.
- [WACC calculator: What your capital actually costs](https://www.revenuememo.com/p/wacc-calculator): Free WACC calculator. Enter equity, debt, the cost of each, and your tax rate to get the weighted average cost of capital, with an optional CAPM builder for the cost of equity.
- [Dividend yield calculator: What a share actually pays you](https://www.revenuememo.com/p/dividend-yield-calculator): Free dividend yield calculator. Enter any two of annual dividends, share price, or yield to get the rest, with quarterly and monthly payers converted to an annual figure for you.
- [ROAS calculator: How to work out return on ad spend](https://www.revenuememo.com/p/roas-calculator): Free ROAS calculator. Enter any two of ad spend, revenue, or ROAS to get the third, then add your gross margin to see the profit and the break-even ROAS underneath it.
- [Revenue calculator: How to work out total revenue from price and volume](https://www.revenuememo.com/p/revenue-calculator): Free revenue calculator. Enter any two of price, quantity, or total revenue to get the third, then add discounts and returns to see what actually lands as net revenue.
- [Markup calculator: How to set a price from your cost](https://www.revenuememo.com/p/markup-calculator): Free markup calculator. Enter any two of cost, markup, sale price, or profit to get the rest, plus the margin those same numbers imply.
- [ROI calculator: How to work out return on investment](https://www.revenuememo.com/p/roi-calculator): Free ROI calculator. Enter any two of amount invested, amount returned, gain, or ROI to get your return on investment, plus annualized ROI over any time period.