Convert Milligrams per square metre per hour to Grams per square metre per hour
Convert Milligrams per square metre per hour (mg/(m²·h)) to Grams per square metre per hour (g/(m²·h)) instantly and accurately.
Conversion Formula
g/(m²·h) = mg/(m²·h) × 0.001
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 Grams per square metre per hour
The gram per square metre per hour (g/(m²·h)) equals 10⁻³/3600 ≈ 2.778 × 10⁻⁷ kg/(m²·s). It is widely used in textile and paper engineering for moisture management, evaporation studies, and water-vapour transmission rate (WVTR) testing of barrier materials per ISO 2528 and ASTM E96. Breathable fabrics range 500-10 000 g/(m²·h) (=500-10 000 gsm/h). 1 g/(m²·h) = 10⁻³ kg/(m²·h).
Quick Reference Table
| Milligrams per square metre per hour (mg/(m²·h)) | Grams per square metre per hour (g/(m²·h)) |
|---|---|
| 1 mg/(m²·h) | 0.001 g/(m²·h) |
| 2 mg/(m²·h) | 0.002 g/(m²·h) |
| 5 mg/(m²·h) | 0.005 g/(m²·h) |
| 10 mg/(m²·h) | 0.01 g/(m²·h) |
| 25 mg/(m²·h) | 0.025 g/(m²·h) |
| 50 mg/(m²·h) | 0.05 g/(m²·h) |
| 100 mg/(m²·h) | 0.1 g/(m²·h) |