Field Size & Rate Converter
Instantly convert between hectares, acres, m² and more. Also convert application rates between per-hectare and per-acre values.
Field Size Converter
Enter a value in any unit — all others update instantly.
Application Rate Converter
Convert spread or spray rates between per-acre and per-hectare.
Field Measurement Equipment
Tools for measuring your fields accurately in the field.
GPS Field Area Measurer
Handheld GPS device for measuring field and paddock areas in hectares or acres.
View on AmazonMeasuring Wheel
Walk field perimeters and record distances accurately. Ideal for oddly shaped fields.
View on Amazon100m Surveyor Tape
Heavy-duty fibreglass measuring tape for farm and field measurement work.
View on Amazon* Amazon affiliate links. AgriOps earns a small commission on qualifying purchases.
Quick Conversion Reference
Common UK field sizes and application rates for quick lookup.
Field Sizes
| Acres | Hectares |
|---|---|
| 1 ac | 0.4 ha |
| 5 ac | 2.02 ha |
| 10 ac | 4.05 ha |
| 25 ac | 10.12 ha |
| 50 ac | 20.23 ha |
| 100 ac | 40.47 ha |
| 200 ac | 80.94 ha |
| 500 ac | 202.34 ha |
Application Rates
| kg / ha | kg / acre |
|---|---|
| 50 | 20.2 |
| 100 | 40.5 |
| 150 | 60.7 |
| 200 | 81 |
| 250 | 101.2 |
| 300 | 121.4 |
| 400 | 161.9 |
| 500 | 202.4 |
1 hectare = 2.47105 acres • 1 acre = 0.4047 ha • Application rates rounded to 1 decimal place.
Field Size Converter — Frequently Asked Questions
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