Convert Grams per litre to Micrograms per cubic metre
Convert Grams per litre (g/L) to Micrograms per cubic metre (µg/m³) instantly and accurately.
Conversion Formula
µg/m³ = g/L × 1000000000
About Grams per litre
The gram per litre (g/L) equals 1 kg/m³, numerically identical to kg/m³ but preferred in life sciences and food technology. Blood glucose is reported in g/L in European clinical practice (normal fasting: 0.7-1.0 g/L); intravenous glucose solutions are 50 g/L (5%) or 100 g/L (10%). Fermentation engineers track biomass and substrate concentration in g/L. 1 g/L = 1 kg/m³ ≈8.345 × 10⁻³ lb/gal (US).
About Micrograms per cubic metre
The microgram per cubic metre (µg/m³) equals 10⁻⁹ kg/m³, the standard unit for ambient air quality reporting. WHO 2021 guidelines set annual mean limits for PM2.5 at 5 µg/m³ and PM10 at 15 µg/m³; NIOSH REL for nuisance dust is 10 000 µg/m³. Urban background air typically contains 10-50 µg/m³ of total suspended particles. 1 µg/m³ = 10⁻⁹ kg/m³ = 10⁻⁶ g/m³.
Quick Reference Table
| Grams per litre (g/L) | Micrograms per cubic metre (µg/m³) |
|---|---|
| 1 g/L | 1000000000 µg/m³ |
| 2 g/L | 2 × 109 µg/m³ |
| 5 g/L | 5 × 109 µg/m³ |
| 10 g/L | 1 × 1010 µg/m³ |
| 25 g/L | 2.5 × 1010 µg/m³ |
| 50 g/L | 5 × 1010 µg/m³ |
| 100 g/L | 1 × 1011 µg/m³ |