Mass application rate.
Ounces per Square foot to Grams per Square Meter Converter — oz/ft2 to g/m2
Convert Ounce per Square foot (oz/ft2) to Gram per Square Meter (g/m2) using the exact conversion factor (1 ounce per square foot = 305.1517273 gram per square meter). See the formula, worked examples, and conversion table.
Ounces per Square foot to Grams per Square Meter converter
Converter
Agriculture Converter
Convert acres, hectares, yield, seed, fertilizer, irrigation, and application-rate units.
Context values
Some unit families need one extra value for a physically accurate result.
Mass application rate.
Result = input x 0.3051517273 / 0.001.
Mass Application Rate units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Ounces per Square foot to Grams per Square Meter
Ounce per Square foot and Gram per Square Meter both measure a farming-related quantity — a land area or an application/yield rate per unit area — used to report crop yields, calculate how much fertilizer or seed a field needs, and plan irrigation. Both are mass application rate units.
Formula
grams per square meter = ounces per square foot × 305.151727274
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per square foot equals 0.305151727274 base units, and 1 gram per square meter equals 0.001 base units, so dividing one by the other gives the direct ounce per square foot-to-gram per square meter factor of 305.151727274.
Simple example
1 oz/ft2 × 305.1517273 = 305.1517273 g/m2
1 ounce per square foot = 305.1517273 grams per square meter.
Real-world example
100 oz/ft2 × 305.1517273 = 30,515.17273 g/m2
100 ounces per square foot = 30,515.17273 grams per square meter.
Conversion table
| Ounce per Square foot (oz/ft2) | Gram per Square Meter (g/m2) |
|---|---|
| 1 oz/ft2 | 305.1517273 g/m2 |
| 5 oz/ft2 | 1,525.758636 g/m2 |
| 10 oz/ft2 | 3,051.517273 g/m2 |
| 50 oz/ft2 | 15,257.58636 g/m2 |
| 100 oz/ft2 | 30,515.17273 g/m2 |
| 500 oz/ft2 | 152,575.8636 g/m2 |
Reverse conversion: Gram per Square Meter to Ounce per Square foot
305.1517273 g/m2 × 0.003277058298 = 1 oz/ft2
305.1517273 grams per square meter = 1 ounces per square foot.
ounces per square foot = grams per square meter × 0.00327705829796
For a page dedicated to this direction, see Gram per Square Meter to Ounce per Square foot.
Understanding the Ounce per Square foot (oz/ft2)
Mass application rate.
Understanding the Gram per Square Meter (g/m2)
Mass application rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grams per square meter are in 1 ounce per square foot?
1 ounce per square foot equals 305.1517273 grams per square meter, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per square foot to gram per square meter?
Multiply the ounce per square foot value by 305.1517273. The converter above does this instantly to whatever precision you set.
How do I convert gram per square meter back to ounce per square foot?
Use the reverse factor: 1 gram per square meter equals 0.0032770583 ounces per square foot. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per square foot?
Ounce per Square foot (oz/ft2) is a unit of agriculture.
What is a gram per square meter?
Gram per Square Meter (g/m2) is a unit of agriculture.
Is the ounce per square foot to gram per square meter conversion exact?
Yes. Both ounce per square foot and gram per square meter are defined by fixed standards rather than physical artifacts, so the factor of 305.1517273 used above is exact to as many digits as you choose to display.
What's the difference between a yield rate and an application rate?
A yield rate describes how much of a crop is harvested per unit of land area (for example, tonnes per hectare). An application rate describes how much of an input like fertilizer or seed is applied per unit of land area. Both are commonly expressed using the same kind of mass-per-area units.