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mm to inches Conversion

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Calculator and Quick Reference List

1 millimeter = 0.0393700787 inches

Conversion Table: mm to inches

Enter millimeters (mm):

1.71 ctw Aquamarine and Diamond Halo Ring in 14k
Green Amethyst Three Stone Rings
Round Garnet and Pear White Sapphire Ring in 14k Yellow Gold with Engraving
Pink Sapphire and Diamond Ring in 14k white gold
Oval Tanzanite and Diamond Ring in 18k white gold
Round Peridot Diamond Halo Ring in 14k white gold
blue sapphire ring
emerald diamond ring
mm inches (approximate) Yellow Sapphire Rings

Sapphire Engagement Rings
Ruby Engagement Ring
blue topaz rings
Round Citrine Ring Antique Vintage Style
Amethyst Engagement Rings
Gemstone Jewelry
Gemstone Engagement Rings
Gemstone Top Picks
Platinum Jewelry Collection
1 mm 1/32"
2 mm just over 1/16"
3 mm just over 3/32"
4 mm just over 1/8"
5 mm 3/16"
6 mm just under 1/4"
7 mm just over 1/4"
8 mm 5/16"
9 mm just under 3/8"
10 mm just over 3/8"
11 mm 7/16"
12 mm just under 1/2"
13 mm just over 1/2"
14 mm just under 9/16"
15 mm just under 5/8"
16 mm 5/8"
17 mm just under 11/16"
18 mm just under 3/4"
19 mm 3/4"
20 mm just under 13/16"
21 mm just over 13/16"
22 mm just under 7/8"
23 mm just under 15/16"
24 mm 15/16"
25 mm 1"

Please browse our gemstone jewelry.
We have something for everybody!
Oval Burmese Ruby and Trillion Diamond Ring Heart Cut Pink Sapphire and Diamond Engagement Ring Set 3.45 carat Unheated Blue Sapphire and Diamond Ring Citrine Engagement Rings Green Amethyst Engagement Rings
 Blue Sapphire Earrings Pink Sapphire Pendants  Yellow Sapphire Pendant  rainbow sapphire cross pendant Rainbow Sapphire Bracelet
See also these sapphire beauties;
   Oval Yellow Sapphire and Double Diamond Halo Ring in 14k white gold

Precious Gemstone Engagement Rings and Birthstone Promise Rings




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Our Diamonds & Gemstones are 100% natural, not synthetic, lab created, nor simulated.
Our Gold & Platinum is solid, never plated, nor silicone filled.

When will my order ship?

In stock orders, without ring sizing, received by 5pm EST (2pm PST) are shipped the Same or Nex Business Day. If ring sizing is ordered, please allow 1-3 weeks weeks for shipment. RUSH ring sizing is also available.

Also, note that nearly all of our rings can be sized by your local jeweler or we would be happy to size and return your ring for FREE within 30 days (in stock, unsized ring orders only).

For privacy, shipping boxes are plain and unmarked. See also: Shipping Transit Times.

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See our jewelry in all its glorious detail. We are now offering video on many of our beautiful creations.

Jewelry Video

Sample Video