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Shays Tools

Straightforward tools for everyday business decisions

Shays Tools is a small collection of free calculators and planners for small businesses. Each one answers one practical question, in plain English, with no sign-up.

Free tools

See all free tools

How the tools work

One question at a time
Each tool answers a single business decision. You do not need to learn a system to use it.
The working is shown
Every result comes with the method, a worked example and the assumptions behind it.
Your figures stay with you
Calculations run in your browser. The numbers you enter are not sent to us or stored.