Free tools

Finance calculators, built by accountants.

The numbers founders ask us for most often, worked out properly and free to use. No sign-up, no email wall.

Unit economicsBreak-even calculatorWork out how many units you need to sell each month before you make a cent, and what that means in revenue.Open the calculator Cash & runwayBurn rate & runway calculatorEnter your cash, spend, and collections to get gross burn, net burn, and the month your cash runs out.Open the calculator TaxDelaware franchise tax calculatorDelaware bills you under whichever method you file. For most startups the difference between the two is tens of thousands of dollars.Open the calculator TaxR&D tax credit calculatorEstimate your federal research credit under the Alternative Simplified Credit, and how much of it can offset payroll tax.Open the calculator Payroll1099 vs W-2 cost calculatorA W-2 hire costs more than the salary. This works out the fully loaded number, and the contractor rate it breaks even against.Open the calculator MetricsGross margin calculatorThe same formula, two different sets of inputs. Software margin turns on cost of revenue; e-commerce margin turns on landed cost, fulfilment and returns.Open the calculator E-commerceInventory turnover calculatorHow many times you sell through your stock, how many days it sits, and how much cash one extra turn would release.Open the calculator Cash & runwayCash conversion cycle calculatorHow many days your cash is tied up between paying for what you sell and collecting for it, and what a day off the cycle is worth.Open the calculator AR & collectionsDSO calculatorDSO on its own says nothing. What matters is the gap between it and the terms you invoice on, and what that gap costs in cash.Open the calculator Cash & runwayWorking capital calculatorThree numbers get called working capital and they answer different questions. This computes all three, including the change that consumes cash as you grow.Open the calculator FundraisingSAFE conversion calculatorThe cap and the discount decide the price. What founders need is the other number: how much of the company is left afterwards.Open the calculator