Convert Grams per square metre per hour to Milligrams per square metre per hour
Convert Grams per square metre per hour (g/(m²·h)) to Milligrams per square metre per hour (mg/(m²·h)) instantly and accurately.
Conversion Formula
mg/(m²·h) = g/(m²·h) × 1000
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).
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
| Grams per square metre per hour (g/(m²·h)) | Milligrams per square metre per hour (mg/(m²·h)) |
|---|---|
| 1 g/(m²·h) | 1000 mg/(m²·h) |
| 2 g/(m²·h) | 2000 mg/(m²·h) |
| 5 g/(m²·h) | 5000 mg/(m²·h) |
| 10 g/(m²·h) | 10000 mg/(m²·h) |
| 25 g/(m²·h) | 25000 mg/(m²·h) |
| 50 g/(m²·h) | 50000 mg/(m²·h) |
| 100 g/(m²·h) | 100000 mg/(m²·h) |