Bulk Solids, Mining, Aggregates & Material Processing calculator

Conveyor Capacity Calculator

Conveyor Capacity tells you how many net tons a belt conveyor will actually deliver over a run once you account for downtime and off-spec material. Plant engineers, aggregate producers and bulk-handling operators use it to size belts, schedule rail or truck loadout, and reconcile design rate against real production. The gap between the rated gross capacity and what reaches the stockpile is usually where money leaks. This calculator separates that gap into uptime loss and yield loss so you can see which one to attack first.

What this calculator does

  • Estimate conveyor capacity for conveyor capacity for bulk solids, mining, aggregates, and material processing using plant-floor material, production, quality, capacity, or cost inputs.
  • a plant team is reviewing conveyor capacity for bulk solids, mining, aggregates, and material processing and needs a clear conveyor capacity for production, quality, capacity, maintenance, purchasing, or costing decisions
  • It multiplies tons per belt cycle by available cycles to get gross capacity, then derates that by running uptime and on-spec yield to give net deliverable tons.

Formula used

  • Gross conveyor capacity = conveyor capacity output per cycle × available conveyor capacity cycles
  • Conveyor Capacity = gross capacity × uptime × yield

Inputs explained

  • Tonnage moved per belt cycle:
  • Belt cycles available in the run:
  • Conveyor running-time uptime:
  • On-spec material yield:

How to use the result

  • Use it when planning a shift's tonnage target, validating a conveyor against its nameplate rating, or quoting a haulage contract where you must commit to delivered tons.
  • It assumes a steady tons-per-cycle loading; surge loading, belt slip, carryback and chute plugging can push real delivery below the modeled figure even at the same uptime.

Common questions

  • How do you calculate conveyor capacity in tons? Multiply tons per cycle by available cycles for gross capacity, then multiply by uptime and yield. With 18 tons/cycle x 240 cycles = 4,320 gross tons, then x 90% uptime x 96% yield = 3,732.48 net tons.
  • What is the difference between gross and net conveyor capacity? Gross capacity is the theoretical tonnage if the belt ran flawlessly (4,320 tons in the example). Net capacity (3,732.48 tons) subtracts the 432 tons lost to downtime and the 155.52 tons lost as off-spec or rejected material.
  • What is a good uptime for a belt conveyor? Well-maintained fixed plant conveyors run 92-97% availability; 90% as in the example is typical but leaves headroom. Below 85% you are usually fighting chute blockages, belt tracking, or transfer-point spillage.
  • Why does yield reduce conveyor throughput? Yield here is the fraction of material that is on-spec and accepted downstream. Oversize, fines, contamination or moisture rejects do not count as delivered tons, so 96% yield trims 155.52 tons off the gross even though the belt physically moved it.
  • How can I increase net conveyor capacity? Raise uptime (better transfer-chute design, belt cleaners, scheduled vs reactive maintenance) before chasing belt speed. In the example, closing the 432-ton uptime gap returns more than the 155.52-ton yield gap.

Last reviewed 2026-05-12.