STRUCTURAL
Mass per area
Sheet mass and surface density.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Result0.000001 t/m²1 g/m² = 0.000001 t/m²
EVERYDAY · ENGINEERING · SCIENCE
g/m² to t/m² Converter
Convert gram per square metre (g/m²) to tonne per square metre (t/m²). Enter a value for an instant result, or use the examples and reverse conversion below.
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HOW IT IS CALCULATED
Convert through kilogram per square metre
Enter a gram per square metre value to calculate tonne per square metre with full internal precision before display rounding.
Display PrecisionAuto · 6 significant digits
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
QUICK REFERENCE
All units in this quantity
| Unit | Symbol | Converted value |
|---|---|---|
| gram per square metrefrom g/m² | g/m² | 1 |
| kilogram per square metrefrom g/m² | kg/m² | 0.001 |
| tonne per square metrefrom g/m² | t/m² | 0.000001 |
| ounce per square footfrom g/m² | oz/ft² | 0.00327706 |
| pound per square footfrom g/m² | lb/ft² | 0.000204816 |
| pound per square inchfrom g/m² | lb/in² | 0.00000142233 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
g/m² to t/m² Conversion Reference
Gram Per Square Metre (g/m²) and tonne per square metre (t/m²) are units of mass per area. Use this page to convert in either direction.
Conversion Examples
| Gram Per Square Metre (g/m²) | Tonne Per Square Metre (t/m²) |
|---|---|
| 1 g/m² | 0.000001 t/m² |
| 5 g/m² | 0.000005 t/m² |
| 10 g/m² | 0.00001 t/m² |
| 100 g/m² | 0.0001 t/m² |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
Reverse Conversion
t/m² to g/m² (tonne per square metre to gram per square metre)