Commodity ratio · live
Potato to Coal Ratio
The potato to coal ratio is 0.01065 — Potato at $1.40 per 100 Kilogram divided by Coal at $131.50 per Metric Ton.
Prices as of Aug 24, 2026, 11:20 AM UTC. Change either side of the calculator to price any other pair from 170+ commodities.
Potato to Coal ratio
1.000 100 Kg of potato = 0.01065 T of coal
Inverse (COAL/POTATO): 93.93 — one Metric Ton of coal buys that much potato.
Near the bottom of its 1 year range — historically compressed. (4th percentile of the last 1 year)
Potato
€1.40
per 100 Kilogram
Coal
$131.50
per Metric Ton
Unit basis: EUR per 100 Kilogram ÷ USD per Metric Ton. The ratio reads as Metric Tons of coal per 100 Kilogram of potato. Prices as of Mon, 24 Aug 2026 11:20:40 GMT.
These two commodities are quoted in different currencies (EUR and USD). The figure above is a raw quote ratio and is not FX-adjusted.
1Y average
0.05757
median 0.06002
1Y low
0.009256
Jun 7, 2026
1Y high
0.1421
Apr 24, 2026
Normal band
0.02068–0.09447
mean ± 1 std dev
Deviation from mean
-1.27σ
307 observations
Potato to Coal ratio charts
Pick a range once — it applies to the POTATO/COAL ratio line, the OHLC candles and the Potato / Coal price chart below.
POTATO/COAL ratio line
How many T of Coal one 100 Kg of Potato buys, over 1Y.
POTATO/COAL ratio candles
Open, high, low and close of the POTATO/COAL ratio for each period in the last 1Y.
Potato and Coal prices
Both legs of the ratio on their own axes, so you can see which one moved over 1Y.
How to calculate the potato to coal ratio
Potato to Coal ratio = Potato price per 100 Kilogram ÷ Coal price per Metric Ton
The two legs use different units, so the result is a rate — Metric Tons of coal per 100 Kilogram of potato — rather than a plain count.
Worked example, live prices: $1.40 ÷ $131.50 = 0.01065. The inverse is 93.93.
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 potato to coal ratio today?
The potato to coal ratio is 0.01065 — Potato at $1.40 per 100 Kilogram divided by Coal at $131.50 per Metric Ton, from live mid-market prices.
How do you calculate the potato to coal ratio?
Divide the potato price per 100 Kilogram by the coal 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 coal per 100 Kilogram of potato.
What is the inverse of the potato to coal ratio?
The inverse, coal to potato, is 93.93 — how many 100 Kilograms of potato one Metric Ton of coal buys.