See your gross, operating and net profit margins, work backwards from a target margin to find the right price, or find how many sales you need to break even.
Your sales and costs
$
All the money customers paid you in the period (a month, a year).
$
What it cost to make or buy the things you sold: materials, stock, direct labor.
$
Costs of running the business: rent, office pay, marketing, software.
$
Loan interest and other costs that are not part of day-to-day operations.
%
21% is the federal rate for C corporations. Use your own rate, or 0 to see profit before tax.
Margin results
Profit margins (profit as a share of revenue)
Your cost and target margin
$
What one item costs you to make or buy.
%
The share of the selling price you want to keep after the item's cost. Must be below 100%.
Pricing results
Your fixed and variable costs
$
Costs you pay no matter how much you sell: rent, salaries, insurance.
$
What each extra item costs you: materials, packaging, shipping.
$
Break-even results
Contribution margin is what is left from each sale after its variable cost. That money pays your fixed costs first, then becomes profit.