Commodity ratio · live
Rubber to Cobalt Ratio
The rubber to cobalt ratio is 0.00004134 — Rubber at $2.33 per Kilogram divided by Cobalt at $56,290.00 per Metric Ton.
Prices as of Aug 24, 2026, 10:25 AM UTC. Change either side of the calculator to price any other pair from 170+ commodities.
Rubber to Cobalt ratio
1.000 Kg of rubber = 0.00004134 T of cobalt
Inverse (COB/RUBBER): 24190 — one Metric Ton of cobalt buys that much rubber.
Above its 1 year average. (86th percentile of the last 1 year)
Rubber
¢2.33
per Kilogram
Cobalt
$56,290.00
per Metric Ton
Unit basis: US Cent per Kilogram ÷ USD per Metric Ton. The ratio reads as Metric Tons of cobalt per Kilogram of rubber. Prices as of Mon, 24 Aug 2026 10:25:34 GMT.
1Y average
0.00003835
median 0.00003669
1Y low
0.00003095
Mar 23, 2026
1Y high
0.00005382
Sep 8, 2025
Normal band
0.00003298–0.00004371
mean ± 1 std dev
Deviation from mean
+0.56σ
361 observations
Rubber to Cobalt ratio charts
Pick a range once — it applies to the RUBBER/COB ratio line, the OHLC candles and the Rubber / Cobalt price chart below.
RUBBER/COB ratio line
How many T of Cobalt one Kg of Rubber buys, over 1Y.
RUBBER/COB ratio candles
Open, high, low and close of the RUBBER/COB ratio for each period in the last 1Y.
Rubber and Cobalt prices
Both legs of the ratio on their own axes, so you can see which one moved over 1Y.
How to calculate the rubber to cobalt ratio
Rubber to Cobalt ratio = Rubber price per Kilogram ÷ Cobalt price per Metric Ton
The two legs use different units, so the result is a rate — Metric Tons of cobalt per Kilogram of rubber — rather than a plain count.
Worked example, live prices: $2.33 ÷ $56,290.00 = 0.00004134. The inverse is 24190.
The flagship commodity ratios
Each of these has its own dedicated page with live pricing, a full year of history and range statistics.
Live prices behind the ratio
| # | Symbol | Name | Rate (USD) |
|---|---|---|---|
| 1 | XAU | Gold | 4647.62 |
| 2 | XAG | Silver | 69.00 |
| 3 | WTIOIL-FUT | Crude Oil WTI Futures | 85.69 |
| 4 | BRENTOIL-FUT | Crude Oil Brent Futures | 92.75 |
| 5 | NG-FUT | Natural Gas Futures | 2.77 |
| 6 | PL | Platinum | 1885.63 |
| 7 | PA | Palladium | 1351.00 |
Frequently asked questions
What is the rubber to cobalt ratio today?
The rubber to cobalt ratio is 0.00004134 — Rubber at $2.33 per Kilogram divided by Cobalt at $56,290.00 per Metric Ton, from live mid-market prices.
How do you calculate the rubber to cobalt ratio?
Divide the rubber price per Kilogram by the cobalt price per Metric Ton. If the two units differ, the result is a rate rather than a plain count — read it as Metric Tons of cobalt per Kilogram of rubber.
What is the inverse of the rubber to cobalt ratio?
The inverse, cobalt to rubber, is 24190 — how many Kilograms of rubber one Metric Ton of cobalt buys.