Commodity ratio · live
Phosphate Rock to Cobalt Ratio
The phosphate rock to cobalt ratio is 0.002709 — Phosphate Rock at $152.50 per Metric Ton divided by Cobalt at $56,290.00 per Metric Ton.
Prices as of Aug 24, 2026, 11:15 AM UTC. Change either side of the calculator to price any other pair from 170+ commodities.
Phosphate Rock to Cobalt ratio
1.000 T of phosphate rock = 0.002709 T of cobalt
Inverse (COB/PR): 369.1 — one Metric Ton of cobalt buys that much phosphate rock.
Phosphate Rock
$152.50
per Metric Ton
Cobalt
$56,290.00
per Metric Ton
Unit basis: USD per Metric Ton ÷ USD per Metric Ton. The ratio reads as Metric Tons of cobalt per Metric Ton of phosphate rock. Prices as of Mon, 24 Aug 2026 11:15:57 GMT.
Phosphate Rock to Cobalt ratio charts
Pick a range once — it applies to the PR/COB ratio line, the OHLC candles and the Phosphate Rock / Cobalt price chart below.
PR/COB ratio line
How many T of Cobalt one T of Phosphate Rock buys, over 1Y.
No overlapping history for PR/COB over 1Y. Try a longer range.
PR/COB ratio candles
Open, high, low and close of the PR/COB ratio for each period in the last 1Y.
No overlapping history for PR/COB over 1Y. Try a longer range.
Phosphate Rock 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 phosphate rock to cobalt ratio
Phosphate Rock to Cobalt ratio = Phosphate Rock price per Metric Ton ÷ Cobalt price per Metric Ton
Both legs share the same unit, so the result is a plain unitless number, directly comparable across time.
Worked example, live prices: $152.50 ÷ $56,290.00 = 0.002709. The inverse is 369.1.
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 | 4640.70 |
| 2 | XAG | Silver | 68.90 |
| 3 | WTIOIL-FUT | Crude Oil WTI Futures | 85.69 |
| 4 | BRENTOIL-FUT | Crude Oil Brent Futures | 92.88 |
| 5 | NG-FUT | Natural Gas Futures | 2.78 |
| 6 | PL | Platinum | 1883.84 |
| 7 | PA | Palladium | 1350.90 |
Frequently asked questions
What is the phosphate rock to cobalt ratio today?
The phosphate rock to cobalt ratio is 0.002709 — Phosphate Rock at $152.50 per Metric Ton divided by Cobalt at $56,290.00 per Metric Ton, from live mid-market prices.
How do you calculate the phosphate rock to cobalt ratio?
Divide the phosphate rock price per Metric Ton 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 Metric Ton of phosphate rock.
What is the inverse of the phosphate rock to cobalt ratio?
The inverse, cobalt to phosphate rock, is 369.1 — how many Metric Tons of phosphate rock one Metric Ton of cobalt buys.