Convert Milligrams per square metre per hour to Milligrams per square metre per second
Convert Milligrams per square metre per hour (mg/(m²·h)) to Milligrams per square metre per second (mg/(m²·s)) instantly and accurately.
Conversion Formula
mg/(m²·s) = mg/(m²·h) × 0.0002777777778
About Milligrams per square metre per hour
The milligram per square metre per hour (mg/(m²·h)) equals 10⁻⁶/3600 ≈ 2.778 × 10⁻¹⁰ kg/(m²·s). It is the standard unit in corrosion science and protective-coating industry for measuring corrosion rate or moisture vapour transmission rate (MVTR) of membranes and packaging films. Rates of 1-100 mg/(m²·h) are typical for polymer films. 1 mg/(m²·h) = 10⁻³ g/(m²·h).
About Milligrams per square metre per second
The milligram per square metre per second (mg/(m²·s)) equals 10⁻⁶ kg/(m²·s). It is used in aerosol science and atmospheric deposition studies for measuring dry deposition fluxes of particulate matter. Typical urban PM2.5 dry deposition velocities produce fluxes of 0.01-1 mg/(m²·s). 1 mg/(m²·s) = 3 600 mg/(m²·h).
Quick Reference Table
| Milligrams per square metre per hour (mg/(m²·h)) | Milligrams per square metre per second (mg/(m²·s)) |
|---|---|
| 1 mg/(m²·h) | 0.000277778 mg/(m²·s) |
| 2 mg/(m²·h) | 0.000555556 mg/(m²·s) |
| 5 mg/(m²·h) | 0.00138889 mg/(m²·s) |
| 10 mg/(m²·h) | 0.00277778 mg/(m²·s) |
| 25 mg/(m²·h) | 0.00694444 mg/(m²·s) |
| 50 mg/(m²·h) | 0.0138889 mg/(m²·s) |
| 100 mg/(m²·h) | 0.0277778 mg/(m²·s) |