How do you calculate agent fill cost?

Multiply agent quantity by price per unit and the chargeable share, then add fixed setup/handling. For 850 lb at $22/unit, 100% chargeable, plus $275 setup: 850 × 22 × 1.00 + 275 = $18,975.

What is the per-unit agent fill cost in this example?

Divide total cost by agent quantity: $18,975 ÷ 850 = about $22.32 per unit. The setup adds roughly $0.32/unit on top of the $22 agent price.

What does the chargeable agent-cost share do?

It is the fraction of agent cost you actually pass through — set it below 100% to model absorbed scrap, a vendor rebate, or a costing rule that only charges part of the agent. At 100% the full agent value flows into the cost.

Why does per-unit cost exceed the agent price?

The fixed setup and handling cost is spread across the charge. On larger fills it nearly disappears per unit; on a small cylinder the same $275 can dominate, so per-unit cost climbs as quantity drops.

Is clean agent more expensive to fill than CO2 or dry chemical?

Yes — clean agents like FK-5-1-12 run many times the per-pound price of CO2 or ABC dry chemical, so the same vessel can swing the agent line by an order of magnitude. Always set the price to the specific agent being charged.

How do I cut agent fill cost?

Negotiate agent commodity price, reduce boil-off and transfer loss, capture reclaim credits, and spread the fixed setup over larger or batched fills so the $/unit setup share shrinks.

Fire Suppression, Sprinkler & Safety System Products calculator

Agent Fill Cost Calculator

Agent Fill Cost is the loaded cost of charging a fire-suppression cylinder or system with its extinguishing agent — clean agent (FK-5-1-12, HFC-227ea), CO2, dry chemical, or foam concentrate — including the metered agent plus the fixed setup and handling to fill it. Estimators, fill-station supervisors, and pricing managers at suppression OEMs and refill houses use it to quote charged cylinders and to defend margins as agent commodity prices swing. It matters because agent is often the single largest variable cost in a charged system, and a few cents per pound across thousands of pounds moves the quote. This calculator returns the total fill cost and the true per-unit cost after setup is spread across the charge.

What this calculator does

Estimate suppression-agent fill cost from agent quantity, cost per unit, chargeable share, and fixed fill setup cost.
Use it when costing clean agent, CO2, foam concentrate, dry chemical, nitrogen, or stored-pressure cylinder fills.
It multiplies agent quantity by price and a chargeable-cost share, adds the fixed setup/handling cost, and reports total fill cost plus the average cost per unit of agent.

Formula used

Agent Fill Cost = suppression agent quantity × agent cost per unit × chargeable agent-cost share + fixed fill setup or handling cost
Per-unit agent fill cost = total cost ÷ suppression agent quantity

Inputs explained

Suppression agent charged:
Agent price per unit:
Chargeable agent-cost share:
Fixed fill setup and handling cost:

How to use the result

Use it when quoting a charged cylinder or refill, building a price book by agent type, or checking whether a fill job covers its handling and reclaim overhead.
It models a single agent fill at one price point — it does not account for agent reclaim credits, scrap/boil-off loss, multi-agent blends, or vessel/valve hardware cost, which you add separately.

Current U.S. benchmarks

Manufacturing hourly earnings average $30.27 (BLS, Jun 2026), up 4.4% from a year earlier. Median machinist pay is $28.24/hr (OEWS 2025), with state medians on each state page. Manufacturers have 529k open positions nationally (BLS JOLTS).
U.S. housing starts run at 1,177k per year (Census, May 2026), down 8.7% from a year earlier, the demand driver for building products.

Common questions

How do you calculate agent fill cost? Multiply agent quantity by price per unit and the chargeable share, then add fixed setup/handling. For 850 lb at $22/unit, 100% chargeable, plus $275 setup: 850 × 22 × 1.00 + 275 = $18,975.
What is the per-unit agent fill cost in this example? Divide total cost by agent quantity: $18,975 ÷ 850 = about $22.32 per unit. The setup adds roughly $0.32/unit on top of the $22 agent price.
What does the chargeable agent-cost share do? It is the fraction of agent cost you actually pass through — set it below 100% to model absorbed scrap, a vendor rebate, or a costing rule that only charges part of the agent. At 100% the full agent value flows into the cost.
Why does per-unit cost exceed the agent price? The fixed setup and handling cost is spread across the charge. On larger fills it nearly disappears per unit; on a small cylinder the same $275 can dominate, so per-unit cost climbs as quantity drops.
Is clean agent more expensive to fill than CO2 or dry chemical? Yes — clean agents like FK-5-1-12 run many times the per-pound price of CO2 or ABC dry chemical, so the same vessel can swing the agent line by an order of magnitude. Always set the price to the specific agent being charged.

Last reviewed 2026-05-12.