Pound per Acre (lb/acre)
Pounds per acre are the US unit for fertiliser, seed and pesticide rates: 1 lb/acre ≈ 1.121 kg/ha, so the two are often treated as nearly equal.
Symbol: lb/acre
Quantity: mass applied or harvested per unit land area
SI relation: 1 lb/acre = 1.120851156194 kg/ha (exact)
Derivation: 1 lb/acre = 0.45359237 kg ÷ 0.40468564224 ha ≈ 1.12085 kg/ha.
Exact: yes, by definition
Typical uses
- US fertiliser and seeding rates
- Pesticide labels (lb a.i./acre)
- US crop yields by weight
Convert pounds per acre to other units
| Conversion | 1 lb/acre equals | Reverse |
|---|---|---|
| pound per acre to kilogram per hectare | 1.120851156 kg/ha | kilogram per hectare to pound per acre |
| pound per acre to quintal per hectare | 0.01120851156 q/ha | quintal per hectare to pound per acre |
| pound per acre to tonne per hectare | 0.001120851156 t/ha | tonne per hectare to pound per acre |
| pound per acre to gram per square meter | 0.1120851156 g/m² | gram per square meter to pound per acre |
| pound per acre to gram per hectare | 1120.851156 g/ha | gram per hectare to pound per acre |
| pound per acre to pound per 1000 square feet | 0.02295684114 lb/1000 ft² | pound per 1000 square feet to pound per acre |
Open the Application Rate Converter (kg/ha, lb/acre) to convert any value between all units.
Sources
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, "pound (avoirdupois)".
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Pound per Acre (lb/acre). Retrieved October 29, 2026, from https://scientificconverters.com/units/pound-per-acre/
IEEE
Scientific Converters, "Pound per Acre (lb/acre)," scientificconverters.com. Accessed: Oct. 29, 2026. [Online]. Available: https://scientificconverters.com/units/pound-per-acre/