The Toolkit
Pick a tool to open it. Results update live as you type, formatted in US dollars.
No tools match your search. Try “loan”, “tax”, or “UTM”.
About ProKit
Built for people who run things.
Why ProKit exists
Business decisions get made on quick numbers — a margin guessed in a meeting, a loan compared on a napkin, a campaign link pasted together by hand. ProKit puts the ten calculations professionals reach for most into one fast, free toolkit, so the number you act on is the right one.
Every tool runs entirely in your browser. Your figures are never uploaded, stored, or tracked — close the tab and they are gone. Results update as you type and are formatted the way US business expects: dollars, commas, and clean percentages.
What you can do here
- Price with confidence — margin, markup, discount, and break-even tools.
- Borrow and invest smarter — loan amortization, compound growth, and ROI.
- Bill and pay correctly — sales tax, tips, and wage conversions.
- Market measurably — UTM links that make every campaign trackable.
Contact
Questions, corrections, or a tool you wish existed? We read everything.
Email us
The fastest way to reach the ProKit team — for feedback, bug reports, or partnership questions:
We typically reply within two business days.
Request a tool
ProKit grows one useful tool at a time. If a calculation slows your business down every week, tell us what it is — the most requested tools are the ones we build next.