Who it is for
Freelancers, ecommerce sellers, creators, small-business owners, agencies, and students who need fast math without opening a spreadsheet.
About
Focused tools for everyday business math.
This toolkit is built for practical decisions: pricing work, checking margins, planning break-even targets, and reviewing whether a campaign or investment makes financial sense.
How the site is built
Each page is static-first, quick to load, and written to be useful even before you type anything into the calculator.