ng/J to PPM Converter (NOx, SO₂, CO, THC, O₂, CO₂)

ng/J to PPM Converter (NOx, SO₂, CO, THC, O₂, CO₂)

Gross Calorific Value (MJ/m³):

Gas	ng/J	PPM
NOx (as NO₂)		—
SO₂		—
CO		—
THC (as CH₄)		—
O₂		—
CO₂		—

✅ Formula (ng/J to PPM):

$$\text{PPM} = \frac{\text{ng/J} \times 22.4 \times \text{GCV}}{\text{MW} \times 1000}$$