Free tools
No login, no upload: everything runs in your browser and the result is yours. Built by the team making Gaugelog, calibration management software priced per gauge, never per seat.
Calibration certificate generator
Create a professional certificate of calibration as a PDF: your logo, as-found/as-left results, traceability and measurement data. A4 or US Letter.
Open the generatorCalibration log Excel template
A clean spreadsheet for tracking instruments and calibration due dates, with the columns an auditor expects to see. Next-due formulas, overdue highlighting and source-backed intervals for 69 instrument types built in. No email required.
Calibration certificate template
A certificate of calibration as an Excel template: as-found and as-left results, tolerances, traceability and sign-off, with a completed example included. Same fields as the generator.
Get the templateAlso free: calibration interval guides
How often to calibrate 50 common instrument types, from calipers to torque wrenches: typical intervals, the range seen in practice, standards and procedure outlines, with sources for every claim.
Browse the guidesWhen one certificate at a time stops being enough.
Gaugelog keeps the whole register in one place: instruments, schedules, due-date alerts, calibration records and certificates. Free up to 30 instruments, then priced per gauge, never per seat.