Printable Metric Scale Reference Chart
This one-page Letter PDF is a metric scale reference for students, architects, designers, makers, and anyone reading scaled drawings. It lists scales in columns for Scale, 1 mm on paper, 1 cm on paper, and 10 cm on paper. The rows show examples such as 1:20, 1:50, and 1:100 with the matching real-world lengths.
Free printable · PDF
- 1 page
- US Letter — choose “Fit to page” for A4
- PDF, 61 KB
Free for personal, family and classroom use.
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Use it as a quick check when measuring plans, sketching layouts, or converting between paper and actual size. Read across each row to see how a line on paper compares to the full-size distance, in centimeters, meters, and scale ratios.
Good for
- Check measurements on scaled floor plans
- Compare paper lengths to real sizes
- Reference common metric drawing scales
Tip: Print at actual size so the scale values stay accurate.
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
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- 7-day refund
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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 Calibration Check SheetCheck printer scale against a standard bank card. Print at 100% and compare the box height to the card to confirm accurate sizing.1 page · free PDF