Commodity ratio · live
Phosphate Rock to Silicon Ratio
The phosphate rock to silicon ratio is 0.07927 — Phosphate Rock at $152.50 per Metric Ton divided by Silicon at $1,923.91 per Metric Ton.
Prices as of Aug 24, 2026, 11:18 AM UTC. Change either side of the calculator to price any other pair from 170+ commodities.
Phosphate Rock to Silicon ratio
1.000 T of phosphate rock = 0.07927 T of silicon
Inverse (SILLUMP/PR): 12.62 — one Metric Ton of silicon buys that much phosphate rock.
Phosphate Rock
$152.50
per Metric Ton
Silicon
$1,923.91
per Metric Ton
Unit basis: USD per Metric Ton ÷ USD per Metric Ton. The ratio reads as Metric Tons of silicon per Metric Ton of phosphate rock. Prices as of Mon, 24 Aug 2026 11:18:40 GMT.
Phosphate Rock to Silicon ratio charts
Pick a range once — it applies to the PR/SILLUMP ratio line, the OHLC candles and the Phosphate Rock / Silicon price chart below.
PR/SILLUMP ratio line
How many T of Silicon one T of Phosphate Rock buys, over 1Y.
No overlapping history for PR/SILLUMP over 1Y. Try a longer range.
PR/SILLUMP ratio candles
Open, high, low and close of the PR/SILLUMP ratio for each period in the last 1Y.
No overlapping history for PR/SILLUMP over 1Y. Try a longer range.
Phosphate Rock and Silicon 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 silicon ratio
Phosphate Rock to Silicon ratio = Phosphate Rock price per Metric Ton ÷ Silicon 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 ÷ $1,923.91 = 0.07927. The inverse is 12.62.
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 silicon ratio today?
The phosphate rock to silicon ratio is 0.07927 — Phosphate Rock at $152.50 per Metric Ton divided by Silicon at $1,923.91 per Metric Ton, from live mid-market prices.
How do you calculate the phosphate rock to silicon ratio?
Divide the phosphate rock price per Metric Ton by the silicon 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 silicon per Metric Ton of phosphate rock.
What is the inverse of the phosphate rock to silicon ratio?
The inverse, silicon to phosphate rock, is 12.62 — how many Metric Tons of phosphate rock one Metric Ton of silicon buys.