Mass application rate.
Pounds per Square foot to Kilograms per Square Meter Converter — lb/ft2 to kg/m2
Convert Pound per Square foot (lb/ft2) to Kilogram per Square Meter (kg/m2) using the exact conversion factor (1 pound per square foot = 4.882427636 kilogram per square meter). See the formula, worked examples, conversion table, and common uses.
Pounds per Square foot to Kilograms 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 4.882427636 / 1.
Mass Application Rate units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Square foot to Kilograms per Square Meter
Pound per Square foot and Kilogram 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
kilograms per square meter = pounds per square foot × 4.88242763638
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per square foot equals 4.88242763638 base units, and 1 kilogram per square meter equals 1 base unit, so dividing one by the other gives the direct pound per square foot-to-kilogram per square meter factor of 4.88242763638.
Simple example
1 lb/ft2 × 4.882427636 = 4.882427636 kg/m2
1 pound per square foot = 4.882427636 kilograms per square meter.
Real-world example
100 lb/ft2 × 4.882427636 = 488.2427636 kg/m2
100 pounds per square foot = 488.2427636 kilograms per square meter.
Conversion table
| Pound per Square foot (lb/ft2) | Kilogram per Square Meter (kg/m2) |
|---|---|
| 1 lb/ft2 | 4.882427636 kg/m2 |
| 5 lb/ft2 | 24.41213818 kg/m2 |
| 10 lb/ft2 | 48.82427636 kg/m2 |
| 50 lb/ft2 | 244.1213818 kg/m2 |
| 100 lb/ft2 | 488.2427636 kg/m2 |
| 500 lb/ft2 | 2,441.213818 kg/m2 |
Reverse conversion: Kilogram per Square Meter to Pound per Square foot
4.882427636 kg/m2 × 0.2048161436 = 0.9999999999 lb/ft2
4.882427636 kilograms per square meter = 0.9999999999 pounds per square foot.
pounds per square foot = kilograms per square meter × 0.204816143623
For a page dedicated to this direction, see Kilogram per Square Meter to Pound per Square foot.
Understanding the Pound per Square foot (lb/ft2)
Mass application rate.
Understanding the Kilogram per Square Meter
Kilogram per Square Meter (kg/m2) measures agricultural application/yield rate, or areal density. A mathematically valid way to express an application rate or areal density in kilograms per square meter. It is classified as a metric derived rate unit.
Uses of the Kilogram per Square Meter today
- Can be used for application rates or areal density at small scale — for small-garden and turf applications, grams per square meter is the unit more commonly seen in practice, since kilograms per square meter represents a very heavy rate for typical garden or lawn use
Kilogram per Square Meter — sources
- Garden and turf-care application-rate references — Small-scale application rates are typically expressed in grams per square meter rather than kilograms per square meter.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many kilograms per square meter are in 1 pound per square foot?
1 pound per square foot equals 4.882427636 kilograms per square meter, using the exact defined conversion factor rather than an estimate.
How do I convert pound per square foot to kilogram per square meter?
Multiply the pound per square foot value by 4.882427636. The converter above does this instantly to whatever precision you set.
How do I convert kilogram per square meter back to pound per square foot?
Use the reverse factor: 1 kilogram per square meter equals 0.2048161436 pounds per square foot. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per square foot?
Pound per Square foot (lb/ft2) is a unit of agriculture.
What is a kilogram per square meter?
Kilogram per Square Meter (kg/m2) measures agricultural application/yield rate, or areal density. A mathematically valid way to express an application rate or areal density in kilograms per square meter. It is classified as a metric derived rate unit.
Is the pound per square foot to kilogram per square meter conversion exact?
Yes. Both pound per square foot and kilogram per square meter are defined by fixed standards rather than physical artifacts, so the factor of 4.882427636 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.