Osmium price per ounce

Compare observed osmium vendor rates per troy ounce and gram. Understand 31.1034768 g conversions, actual bar prices and the limits of scaled quotes.

How much is a troy ounce of osmium?

One troy ounce equals 31.1034768 grams. To convert a vendor’s osmium price per gram into a troy-ounce equivalent, multiply by 31.1034768. The result depends on whether you are comparing a bead, bar, crystalline specimen or powder.

Latest vendor check: 2026-11-01. Only non-stale, available or usually-in-stock direct-vendor USD quotes with an explicit metal weight are included.

Product formObserved USD/gScaled USD/troy oz
Beads & pellets$35.16–$94.20$1,093.64–$2,929.95
Bars$103.25–$164.50$3,211.56–$5,116.52
Crystalline$180.00–$1,172.86$5,598.63–$36,480.00
Powder$38.25–$246.88$1,189.55–$7,678.83

Troy-ounce values are arithmetic equivalents of per-gram rates, not offers to sell that quantity. Different product sizes, sellers, packaging, tax and shipping can change the checkout price. Non-USD quotes stay in their source currency in our records and are excluded from this table.

Actual one-ounce bars vs converted prices

A converted price tells you what 31.1034768 grams would cost at a particular per-gram rate. An actual bar has its own listed total price and stated weight. Use the seller’s total when comparing an item you can buy.

A seller may round a troy-ounce bar to 31.1 g. A plain “ounce” label without a verified weight is ambiguous: an avoirdupois ounce is about 28.35 g. Check the listing rather than treating those units as interchangeable.

Does an ounce quote establish the osmium spot price?

No. A retail quote for a particular bar does not establish a market-wide price or a buyer’s resale offer. Supplier, form, quantity and documentation affect what is being quoted. Keep current vendor asking prices separate from historical references and documented sold prices.

For today’s observed osmium price per gram, start with the homepage. To compare available pieces, use osmium for sale. For an estimate based on eligible public sold listings, use the osmium price calculator; it does not substitute asking prices when sold evidence is missing.