Supply Class Calculator
Supply tonnage by class from unit size and intensity.
Inputs
Results
Total (short tons)
70.26
Daily tons10.04
Class I rations (lb)49,000
Class III POL (lb)33,768
Class V ammo (lb)28,000
How to Use This Calculator
- Enter total personnel, days of supply, vehicle count, and combat intensity (0=Garrison through 3=Sustained combat).
- Review Total (short tons) as the overall sustainment requirement for the planning period.
- Use Daily tons required to set the daily resupply rate and convoy scheduling.
- Break down Class I rations (lb), Class III POL (lb), and Class V ammo (lb) for class-specific supply requests.
- Use these totals to task transportation assets and calculate required supply lift capacity.
How the result changes with Days of supply
| Days of supply | Total (short tons) |
|---|---|
| 9.9 | 100.37 |
| 32 | 321.18 |
| 59 | 592.18 |
| 81 | 813 |
What each input means
- Personnel
- Total supported personnel.
- Days of supply
- Planning period in days.
- Vehicles
- Total vehicles in the unit.
- Intensity (0-3)
- 0=Garrison, 1=Stability, 2=Offensive, 3=Sustained.
What each result means
- Total (short tons)
- Total supply requirement in short tons.
- Daily tons
- Daily sustainment rate in tons.
- Class I rations (lb)
- Subsistence (food and water) weight.
- Class III POL (lb)
- Petroleum, oils, and lubricants weight.
- Class V ammo (lb)
- Ammunition weight.
How this is calculated
Worked example, using the default values
- Identify Input Parameters4 parametersPersonnel = 500, Days of supply = 7, Vehicles = 40, Intensity (0-3) = 1 = 4 input(s) provided
- Calculate TotalTotal = round(totalLb / 2000 * 100) / 10070.26 = 70.26
- Calculate Daily tonsDaily tons = round(totalShortTons / daysOfSupply * 100) / 10010.04 = 10.04
- Calculate Class I rationsClass I rations = personnelCount * 14 * daysOfSupply49000 = 49000
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