True-Scale Vector SVG · 1 SVG Unit = 1 mm
Printable Rulers, Grids & Protractor
Download clean 1:1 vector sheets formatted for A4 or US Letter paper, complete with a built-in 100.0 mm / 4.00 in calibration check bar so you can verify your printer did not shrink the scale.
Sheet Template
210 × 297 mm
Mandatory Printer Check: Set Scale to "Actual Size / 100%"
Printers often enable "Fit to Printable Area" by default, shrinking a ruler by 3–6%. After printing, verify the printed 100.0 mm / 4.00 in verification bar against your calibrated screen or physical card before cutting.