Weights and Measures Conversion Chart
Printable chart to convert weights and measures including Carats, Grams, Kilograms, Ounces, Pounds and Troy Ounces Pounds and Pennyweights.
By International Gem Society, updated on
1″ = 25.4 mm | 1 mm = .039″ |
Carats | Grams | Kilograms | Ounces Avoirdupois | Pounds Avoirdupois | Ounces Troy | Pounds Troy | Pennyweights Troy | |
Carats | 1 | 0.2 | 0.0002 | 0.0071 | 0.00044 | .00643 | 0005358 | 7.776 |
Grams | 5 | 1 | 0.001 | 0.0353 | 0.0022 | .03215 | .002679 | 1.555 |
Kilograms | 5,000 | 1,000 | 1 | 353 | 2.2 | 32.15 | 2.679 | 0.001555 |
Ounces Avoirdupois | 141.75 | 28.3 | .0028300 | 1 | 0.0625 | .9115 | .07595 | 0.05486 |
Pounds Avoirdupois | 2,267.95 | 453.59 | 0.4545455 | 16 | 1 | 14.58 | 1.215 | 0.003429 |
Ounces Troy | 155.5 | 31.1 | 0.0311 | 1.097 | 0.06857 | 1 | .08333 | 0.05 |
Pounds Troy | 1,866 | 373.2 | .3732 | 13.17 | .8229 | 12 | 1 | 0.004167 |
Pennyweights Troy | 7.776 | 1.555 | .001555 | .05486 | .003429 | .05 | .004167 | 1 |
WEIGHTS & MEASURES CONVERSION CHART
Compliments ofThe International Gem Society
International Gem Society
Related Articles
METAL/WAX FORMULAS
Jewelers need to know how to determine how much gold is needed for a wax mold. Here are three methods...
Read More
Gem Structure Table
How does a gem's crystal system affect its properties? Consult our gem structure table to learn more about selected gemstones....
Read More
Table of Gems Ordered by Crystal System
This table contains a selection of minerals gemologists may encounter as jewelry stones or gem specimens. The gems are sorted...
Read More
Specific Gravity Values of Selected Gems
Measuring specific gravity helps gemologists identify gemstones. The following table lists the specific gravity values for a variety of gem...
Read More
Latest Articles
Standard Gem Sizes Chart: Guide to Gemstone Dimensions
Explore our comprehensive standard gem sizes chart to determine if your gemstone will fit standard settings and learn how to...
Read More
Alexandrite Value, Price, and Jewelry Information
Discover the rare and mesmerizing alexandrite gemstone. Learn all about the incredible color-changing properties, value factors, and origins of this...
Read More
10 Gemstones Rarer than Diamond: The Earth’s Scarcest Treasures
Are you looking for something truly unique for your next jewelry purchase? Explore these ten gemstones that are actually rarer...
Read More
Identifying Synthetic Gems
Distinguishing between natural and synthetic gems is a critical skill for gemologists. Learn about gem making processes and the telltale...
Read More
Never Stop Learning
When you join the IGS community, you get trusted diamond & gemstone information when you need it.
Get Gemology Insights
Get started with the International Gem Society’s free guide to gemstone identification. Join our weekly newsletter & get a free copy of the Gem ID Checklist!