RingSizes

Printable Ring Size Chart — Calibrated Sizer to Print at Home

Who this is for: For last-minute gift sizing, partners printing a sizer in secret, and anyone who wants a physical tool without ordering a plastic ring sizer set.

A print-ready ring sizer with a credit-card calibration box — print, cut, wrap, read.

Quick answer: Print at 100% scale, confirm the credit-card box measures 85.6 × 53.98 mm, then wrap the cut-out strip around the finger and read the size at the arrow. Between sizes: take the larger. Paper sizers run about a quarter size snug versus metal sticks.

In the print dialog choose Actual size / 100% — never “Fit to page”.

Step 1 — Calibrate: this box must measure exactly 85.60 × 53.98 mm (a credit card)

85.60 × 53.98 mm
check with a ruler before trusting anything below

Step 2 — Or verify with the ruler: each cm block is true size

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Step 3 — Circle match: press a ring that fits onto its circle (inside edge to line)

US 3 · 14.07 mm
US 4 · 14.88 mm
US 5 · 15.69 mm
US 6 · 16.51 mm
US 7 · 17.32 mm
US 8 · 18.13 mm
US 9 · 18.95 mm
US 10 · 19.76 mm
US 11 · 20.57 mm
US 12 · 21.38 mm
US 13 · 22.2 mm
US 14 · 23.01 mm
US 15 · 23.82 mm
US 16 · 24.63 mm

Step 4 — Cut the strip: cut along the outline, wrap snugly around the finger, read where the arrow lands

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cut here → wrap → read mm mark = circumference (US size above)

Screen preview is not to scale on every monitor — the printed page is what must pass the calibration check.

Core facts
Calibration85.60 × 53.98 mm (credit card)
Print setting100% / actual size — never fit-to-page
RangeUS 3–16 strip + circles
Paper vs metalPaper ≈ ¼ size snug
Between sizesAlways take the larger
CostFree — one A4/Letter sheet

How do I print an accurate ring sizer?

Print this page at 100% scale (never 'fit to page'), then verify with the calibration box: it must measure exactly 85.6 × 53.98 mm — the size of a credit card. If it matches, every ring circle and the cm ruler on the page are true to size. Cut the sizer strip, wrap it around the finger, and read where the arrow lands. Paper measures slightly tighter than a metal stick sizer, so if you land between sizes, take the larger.

Common uses

  • Print a calibrated sizer tonight instead of waiting for a mail-order kit
  • Cut the strip and let a partner measure their own finger discreetly
  • Keep the printed chart in a drawer for future gift purchases
  • Verify a seller's printed chart by comparing against the calibration box

Frequently Asked Questions

How do I calibrate my printed ring chart?
Print at 100% scale, then measure the credit-card box with a ruler: it must be 85.6 mm wide and 53.98 mm tall. If it's off, your printer shrank the page — reprint with 'actual size' checked.
Is a paper ring sizer accurate?
Within a quarter size when printed at true scale and wrapped snugly (not tight). Paper can't compress like a metal loop, so between sizes always choose the larger.
What is the credit-card trick for ring sizing?
Standard cards are exactly 85.60 × 53.98 mm. Printing a box of that size and checking it with a ruler verifies your printout wasn't scaled — the same trick banks and ID documents use.
Can I use this printable for a surprise gift?
That's what the strip is for — print it, leave it somewhere your partner will use it 'for a craft project', or trace one of their existing rings on the chart circles instead.

More ring size charts

Related guides

  • How to Measure Ring SizeFour accurate home methods — existing ring, paper strip, calibrated printable, and the gift secret-weapon.
  • The Complete Ring Size GuideEvery sizing system explained, quarter sizes, width and knuckle rules, and what resizing costs.
  • 7 cm in Ring SizeExactly what 7 cm of circumference converts to — with the math many blogs get wrong.
  • Average Ring SizeWhat the average man and woman wear, how build shifts it, and how to guess well for gifts.
  • Ring Size 8Everything about US size 8: exact millimetres, international equivalents, and who wears it.