Convert Nanograms per cubic metre to Tonnes per cubic metre
Convert Nanograms per cubic metre (ng/m³) to Tonnes per cubic metre (t/m³) instantly and accurately.
Conversion Formula
t/m³ = ng/m³ × 1.000000000e-15
About Nanograms per cubic metre
The nanogram per cubic metre (ng/m³) equals 10⁻¹² kg/m³, the resolution floor of atmospheric radionuclide and trace-contaminant monitoring. Sr-90 fallout from nuclear testing is measured in ng/m³; EPA Method TO-14A quantifies volatile organic compounds at this level. HEPA-filtered clean-room air achieves particulate densities of 1-100 ng/m³. 1 ng/m³ = 10⁻¹² kg/m³ = 10⁻³ µg/m³.
About Tonnes per cubic metre
The tonne per cubic metre (t/m³) equals 1000 kg/m³, coincident with g/cm³ and kg/L. Geotechnical engineering specifies bulk unit weights in t/m³: saturated clay 1.8-2.2 t/m³, dry sand 1.4-1.7 t/m³, reinforced concrete 2.4-2.5 t/m³. Bulk-material handling uses t/m³ for conveyor and silo capacity calculations, yielding mass in tonnes directly from volume in m³. 1 t/m³ = 1000 kg/m³ = 1 g/cm³.
Quick Reference Table
| Nanograms per cubic metre (ng/m³) | Tonnes per cubic metre (t/m³) |
|---|---|
| 1 ng/m³ | 1 × 10-15 t/m³ |
| 2 ng/m³ | 2 × 10-15 t/m³ |
| 5 ng/m³ | 5 × 10-15 t/m³ |
| 10 ng/m³ | 1 × 10-14 t/m³ |
| 25 ng/m³ | 2.5 × 10-14 t/m³ |
| 50 ng/m³ | 5 × 10-14 t/m³ |
| 100 ng/m³ | 1 × 10-13 t/m³ |