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Calcimator

Custom Rate Calculator

Per-acre rate from equipment and labor costs.

Inputs

%
%

Results

Custom rate ($/acre)

$12.73

≈ 3 cups of coffee

Charge per hour ($/hr)$190.91
Ownership cost ($/hr)$85.63
Total cost ($/hr)$144.63
Breakeven acres/year4,545
Projected annual revenue ($)$76,362.00
How to Use This Calculator
  1. Enter Equipment Value — combined market value of tractor and implement used for the custom operation.
  2. Set Annual Usage (hours), Fuel Cost ($/hr), Repair & Maintenance ($/hr), and Labor Cost ($/hr).
  3. Enter Field Capacity (ac/hr) — use the Field Capacity Calculator if unsure.
  4. Set your desired Profit Margin (%) and Overhead (%) for admin, insurance, and general costs.
  5. Read Custom Rate ($/acre) and Charge Per Hour — compare against USDA custom rate surveys for your region.

How the result changes with Field capacity (ac/hr)

Field capacity (ac/hr)Custom rate ($/acre)
20$9.55
70$2.73
130$1.47
180$1.06

What each input means

Equipment value ($)
Current market value of tractor + implement used for the custom operation.
Annual usage (hours)
Total hours the equipment is used annually for custom work.
Fuel cost ($/hr)
Diesel fuel cost per operating hour.
Repair & maint. ($/hr)
Average repair and maintenance cost per operating hour.
Labor cost ($/hr)
Operator labor cost including wages, taxes, and benefits.
Field capacity (ac/hr)
Effective field capacity in acres per hour for this operation.
Profit margin (%)
Desired profit margin above total costs.
Overhead (%)
Administrative, insurance, and general overhead percentage.

What each result means

Custom rate ($/acre)
Recommended charge per acre including all costs and profit.
Charge per hour ($/hr)
Hourly rate including ownership, operating, labor, overhead, and profit.
Ownership cost ($/hr)
Depreciation, interest, insurance, and housing per operating hour.
Total cost ($/hr)
Total hourly cost before overhead and profit markup.
Breakeven acres/year
Minimum acres needed at this rate to cover annual ownership and operating costs.
Projected annual revenue ($)
Revenue at this rate for the planned annual hours.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Equipment value ($) = 250000, Annual usage (hours) = 400, Fuel cost ($/hr) = 25, Repair & maint. ($/hr) = 12 = 8 input(s) provided
  2. Calculate Custom rate
    Custom rate = chargePerHour / fieldCapacityAcHr
    12.73 = $12.73
  3. Calculate Charge per hour
    Charge per hour = withOverhead * (1 + profitMarginPct / 100)
    190.91 = $190.91
  4. Calculate Ownership cost
    Ownership cost = totalAnnualOwnership / annualHours
    85.63 = $85.63

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