Enter your Machine/Implement Width, Travel Speed, and Field Efficiency into the Acres Per Hour Calculator to find your acres per hour coverage rate, plus square feet per hour, hours per acre, and a full 8-hour day projection — optionally select your Machine Type for a preset efficiency value.
Acres Per Hour
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Square Feet Per Hour
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Hours Per Acre
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Acres Per Day (8 hours)
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Acres per hour is a measurement of how much land area farming equipment can cover in one hour of operation. It's calculated using the machine's working width, travel speed, and field efficiency to determine productivity.
The formula is: Acres per Hour = (Width in feet × Speed in mph × Field Efficiency) ÷ 8.25. The 8.25 factor converts from feet-miles per hour to acres per hour.
Field efficiency is reduced by turning time at field ends, overlapping passes, field shape irregularities, and stopping for adjustments. Typical efficiency ranges from 60% for poor conditions to 90% for excellent conditions.
A typical tractor with a 12-foot mower traveling at 5 mph can mow approximately 5-7 acres per hour, depending on field efficiency and conditions. Larger equipment or higher speeds increase this rate.
Theoretical capacity assumes continuous operation at full width and speed. Actual capacity accounts for field efficiency, which includes time lost to turns, overlaps, and field conditions, typically reducing output by 10-40%.
Increase productivity by using wider implements, optimizing travel speed, minimizing turns with efficient field patterns, maintaining equipment properly, and choosing appropriate speeds for field conditions.
Mowing: 5-15 acres/hour, Plowing: 3-8 acres/hour, Planting: 8-25 acres/hour, Spraying: 15-40 acres/hour, Combining: 8-20 acres/hour. Rates vary significantly based on equipment size and field conditions.