Printable Calibration Check Sheet
This 1-page Letter PDF is for anyone who needs to confirm printer scale before printing a to scale ruler or other exact-size template. It shows a calibration check box with instructions to print at 100%. The box should match a standard bank card exactly at 85.60 × 53.98 mm. It also lists the card size in inches as 3.370 in × 2.125 in, with a note that the box width can change with page margins, so the height is the key measurement.
Free printable · PDF
- 1 page
- US Letter — choose “Fit to page” for A4
- PDF, 61 KB
Free for personal, family and classroom use.
Need to edit it? The full pack has the editable Excel file plus all 4 sheets — $5.00, one-time.
Your free PDF is downloading. Want all 4 sheets in one download, plus the editable Excel file so you can change the text?
Instant download · 7-day refund · Secure checkout by Stripe
Print the page at 100% and compare the box to a bank card. If the height does not match 2.125 in, change your printer’s scale setting and print again. Once the measurement lines up, you can use the same setup for other exact-size prints.
Good for
- Check printer scale before exact-size printing
- Verify settings for ruler printables
- Compare output to a bank card
Tip: Measure the box height, not the width, since page margins can affect the width.
4 files · PDF, XLSX
Get every sheet: Scale Ruler Printables
This sheet plus 3 more in one download, with the editable Excel files. Printable true-size rulers in cm and inches, architect scale strips (1/8, 1/4, 1/2 and 1 in = 1 ft), metric scale strips, a map scale bar sheet and a calibration check page.
$5.00 USD, one-time 4 files · about $1.25 each
- Instant download
- 7-day refund
- Secure checkout by Stripe
7-day money-back guarantee. Full refund within 7 days of purchase, even after you download.
More free printables
True-Size Ruler Printable1 page · free PDF
Printable Architect Scale StripsOne-page letter PDF with architect scale strips for print at 100%. Each strip labels feet at its scale for drawing and measurement.1 page · free PDF
Printable Metric Scale Reference ChartMetric scale reference chart with paper-to-real-world sizes for common ratios like 1:20, 1:50, and 1:100 on one Letter page.1 page · free PDF