inches to mm Conversion Chart from MyJewelrySource. Inches to millimeter Conversion

Calculator and Quick Reference List 1 inch = 25.40 millimeters (mm)
Conversion Table: inches to mm inches:
	inches	mm	FREE Shipping 30 Day Returns No Sales Tax Specializing in... Gemstone Engagement Rings Sapphire Jewelry
	1/32 inches	0.794
	1/16 inches	1.588
	3/32 inches	2.381
	1/8 inches	3.175
	5/32 inches	3.969
	3/16 inches	4.762
	7/32 inches	5.556
	1/4 inches	6.350
	9/32 inches	7.144
	5/16 inches	7.934
	11/32 inches	8.731
	3/8 inches	9.525
	13/32 inches	10.319
	7/16 inches	11.113
	15/32 inches	11.906
	1/2 inches	12.700
	17/32 inches	13.494
	9/16 inches	14.288
	19/32 inches	15.081
	5/8 inches	15.875
	21/32 inches	16.669
	11/16 inches	17.463
	23/32 inches	18.256
	3/4 inches	19.050
	25/32 inches	19.844
	13/16 inches	20.638
	27/32 inches	21.431
	7/8 inches	22.225
	29/32 inches	23.019
	15/16 inches	23.813
	31/32 inches	24.606
	1 inch	25.400

Please browse our gemstone jewelry.
We have something for everybody!

Large Oval Pink Tourmaline and Diamond Ring in 14k white gold

Emerald Rings with Baguette Dimaond Ring in 14k white gold

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

Blue Sapphire Engagement Rings

Pink Sapphire Engagement Rings

Yellow Sapphire Engagement Rings

Ruby Engagement Rings

See also: grams to ounces / inches to mm

Before Your Purchase

25+ years of trust and excellence
Transparent product details
Real photos
Designed and crafted in the USA
Friendly and responsive customer support
GIA Graduate Gemologist Available for consultation

With Your Purchase

No Sales Tax
Complimentary elegant packaging
Upscale packaging for order over $1500
Discreet, secure and free shipping
Gemstones and diamonds tested for authenticity
Certificate of Authenticity prepared by our in-house Graduate Gemologist
Every piece quality-inspected

After Your Purchase

30 day satisfaction guarantee
90 day craftsmanship warranty
Friendly and responsive customer support
Services available for resizing and repairs

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When will my order ship?

In stock orders, without ring sizing, received by 5pm EST (2pm PST) are shipped the Same or Next Business Day. If ring sizing is ordered, please allow 1-3 weeks weeks for shipment. 4-Day 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.