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Keep millions and base currency distinct
Fictional emissions are 165,000 tCO2e and revenue 550 million currency units. The ratio is 300 tCO2e per million currency units, or 0.0003 tCO2e per one currency unit. These represent the same scaled ratio.
Inspect the equivalent denominator scales
| Denominator | Intensity unit | Value |
|---|---|---|
| 550 million units | tCO2e per million units | 300 |
| 550,000,000 units | tCO2e per unit | 0.0003 |
State a conversion assumption before comparison
If another report uses a different currency, a conversion affects its revenue denominator. The exchange-rate date and method are additional inputs; unchanged emissions need not produce unchanged converted intensity. No current exchange rate is assumed here.
Avoid an unsupported efficiency story
Revenue can move with prices or currency even when physical activity is unchanged. Read the denominator definition before describing a falling revenue-based ratio as a technology improvement.