Pet product calculators & checklists
Transparent logic, no account, no third-party API and no external tracking. Every calculation happens in your own browser.
Three free tools that show their work
Each one explains its assumptions next to the result — no sign-up, no data sent to us.
Dog Ramp Length Calculator
Estimate ramp surface length and horizontal run from the rise and your chosen incline.
Open calculatorPet Bed Size Guide
Estimate internal sleeping dimensions from body length and preferred sleep style.
Open size guidePet Travel Checklist
Create a grouped, printable checklist saved only in this browser.
Build checklistHow the tools work
Assumptions are part of the result — here is exactly how each tool behaves.
Visible formulas
Dimensions and allowances are explained right next to the output, so you can see how a result was produced.
Local processing
Inputs are processed in your browser. The travel checklist uses browser-local storage only — nothing is sent to us.
Clear limits
Results support comparison. They do not diagnose, prescribe or replace product instructions or veterinary advice.
Questions about PetBuyLab tools
Short, honest answers about privacy, results and printing.