Printable Drill Decimals Chart
This sheet is for machinists, drill press users, and anyone matching drill sizes to decimal inches. It shows number and letter drill sizes in a simple reference table with two column sets labeled Drill and Inches. Rows include entries such as #1, #2, #3, A, B, and C with their decimal equivalents.
Free printable · PDF
- 1 page
- US Letter — choose “Fit to page” for A4
- PDF, 63 KB
Free for personal, family and classroom use.
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Use it to compare drill sizes before tapping, boring, or selecting a bit for a measured hole. Keep the PDF near your drill press, in a tool cabinet, or with other shop references so the inch values are easy to check at a glance.
Good for
- Match drill numbers to decimal inches
- Check letter drill sizes quickly
- Keep near a tap and drill setup
Tip: Print on card stock and laminate it for longer shop use.
4 files · PDF, XLSX, DOCX
Get every sheet: Machinist Reference Charts
This sheet plus 3 more in one download, with the editable Excel and Word files. Printable machinist reference set: tap drill and clearance hole chart (inch and metric), NPT pipe tap chart, number and letter drill decimal chart and a thread identification worksheet.
$3.00 USD, one-time 4 files · about $0.75 each
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