Convert Kilograms per square metre per second to Milligrams per square metre per hour
Convert Kilograms per square metre per second (kg/(m²·s)) to Milligrams per square metre per hour (mg/(m²·h)) instantly and accurately.
Conversion Formula
mg/(m²·h) = kg/(m²·s) × 3600000000
About Kilograms per square metre per second
The kilogram per square metre per second (kg/(m²·s)) is the SI coherent unit of mass flux density, equal to 1 kg·m⁻²·s⁻¹. It appears directly in the continuity equation (ṁ = ρv) and in Stefan's law for evaporation. Rocket nozzle throat mass flux can reach 500-2000 kg/(m²·s); convective heat exchangers: 100-500 kg/(m²·s). 1 kg/(m²·s) = 1 000 g/(m²·s).
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).
Quick Reference Table
| Kilograms per square metre per second (kg/(m²·s)) | Milligrams per square metre per hour (mg/(m²·h)) |
|---|---|
| 1 kg/(m²·s) | 3.6 × 109 mg/(m²·h) |
| 2 kg/(m²·s) | 7.2 × 109 mg/(m²·h) |
| 5 kg/(m²·s) | 1.8 × 1010 mg/(m²·h) |
| 10 kg/(m²·s) | 3.6 × 1010 mg/(m²·h) |
| 25 kg/(m²·s) | 9 × 1010 mg/(m²·h) |
| 50 kg/(m²·s) | 1.8 × 1011 mg/(m²·h) |
| 100 kg/(m²·s) | 3.6 × 1011 mg/(m²·h) |