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
Gemology Cheat Sheets
These gemology cheat sheets review gem color and clarity grading, specific information on evaluating diamonds and opals, and basic gem...
Read More
Diamond Lookalikes Listed by Specific Gravity
Distinguishing diamond lookalikes from the real thing can be challenging. Learn how to use specific gravity and birefringence to make...
Read More
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
Latest Articles
800 Years of Mogok: A Celebration in Tenuous Times
As Mogok, Myanmar prepares to celebrate its 800th anniversary, the inhabitants of this prolific gem producing region face an uncertain...
Read More
What is the Average Gemstone Faceting Yield?
What’s the average gemstone faceting yield from a single piece of rough? Learn how to estimate how much material you’ll...
Read More
Pyroxmangite Value, Price, and Jewelry Information
Pyroxmangite grains are rare, seldom clean enough to facet, and difficult to cut. However, when cut, they are extremely beautiful...
Read More
How to Identify Emerald Simulants and Synthetics
Gemologists can separate natural emeralds from emerald simulants and synthetics. Learn about the most common tools and techniques for this....
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!