Commodity ratio · live
Cotton to Phosphate Rock Ratio
The cotton to phosphate rock ratio is 11.02 — Cotton at $1.87 per kilogram divided by Phosphate Rock at $0.1700 per kilogram.
Cotton is quoted per pound and phosphate rock per metric ton, so both are restated per kilogram first. Dividing the two quotes as published would be out by exactly that much.
Prices as of Sep 21, 2026, 11:08 PM UTC. Change either side of the calculator to price any other pair from 170+ commodities.
Cotton to Phosphate Rock ratio
1.000 kg of cotton = 11.023 kg of phosphate rock
Inverse (PR/CT): 0.09072 — one kilogram of phosphate rock buys that much cotton.
Cotton
$1.87
per kilogram
Phosphate Rock
$0.1700
per kilogram
Unit basis: USD per kilogram ÷ USD per kilogram. Both legs are priced in US dollars per kilogram, so the dollars and the kilograms cancel and the result is a plain unitless number. Prices as of Mon, 21 Sep 2026 23:08:00 GMT.
Prices on this page are delayed by up to 15 minutes. For real-time rates, use the CommodityPriceAPI.
Cotton is quoted per pound and phosphate rock per metric ton, so both are restated per kilogram first. Dividing the two quotes as published would be out by exactly that much.
Cotton to Phosphate Rock ratio charts
Pick a range once — it applies to the CT/PR ratio line, the OHLC candles and the Cotton / Phosphate Rock price chart below.
CT/PR ratio line
How many kg of Phosphate Rock one kg of Cotton buys, over 1Y.
No overlapping history for CT/PR over 1Y. Try a longer range.
CT/PR ratio candles
Open, high, low and close of the CT/PR ratio for each period in the last 1Y.
No overlapping history for CT/PR over 1Y. Try a longer range.
Cotton and Phosphate Rock prices
Both legs of the ratio on their own axes, so you can see which one moved over 1Y.
How to calculate the cotton to phosphate rock ratio
Cotton to Phosphate Rock ratio = Cotton price in USD per kilogram ÷ Phosphate Rock price in USD per kilogram
Both legs are priced in US dollars per kilogram, so the dollars and the kilograms cancel and the result is a plain unitless number.
Cotton is quoted per pound and phosphate rock per metric ton, so both are restated per kilogram first. Dividing the two quotes as published would be out by exactly that much.
Worked example, live prices: $1.87 per kilogram ÷ $0.1700 per kilogram = 11.02. The inverse is 0.09072.
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 | 4336.69 |
| 2 | XAG | Silver | 65.80 |
| 3 | WTIOIL-FUT | Crude Oil WTI Futures | 90.52 |
| 4 | BRENTOIL-FUT | Crude Oil Brent Futures | 98.81 |
| 5 | NG-FUT | Natural Gas Futures | 2.85 |
| 6 | PL | Platinum | 1822.44 |
| 7 | PA | Palladium | 1317.40 |
Frequently asked questions
What is the cotton to phosphate rock ratio today?
The cotton to phosphate rock ratio is 11.02 — Cotton at $1.87 per kilogram divided by Phosphate Rock at $0.1700 per kilogram, from live mid-market prices. Both figures are US dollars per kilogram.
How do you calculate the cotton to phosphate rock ratio?
Divide the cotton price per kilogram by the phosphate rock price per kilogram. Both legs are priced in US dollars per kilogram, so the dollars and the kilograms cancel and the result is a plain unitless number.
What is the inverse of the cotton to phosphate rock ratio?
The inverse, phosphate rock to cotton, is 0.09072 — how many kilograms of cotton one kilogram of phosphate rock buys.