Work & small business · 406

Inventory carrying cost calculator

What does it cost to hold this inventory for a year?

Your numbers

$
$
%

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Examples, chart, and saved snapshots

Start with a realistic example, adjust the inputs, or save your numbers before experimenting.

Example 1

90,000 of average stock at 25 percent

Inventory starts at 80,000 and ends at 100,000, both at cost. The carrying rate in the box is 25 percent. That rate is an example. ISM says there is no consensus benchmark.

$22,500.00carrying cost for the year
Example 2

Beginning inventory: 25% lower

Change beginning inventory to 60,000 while keeping the other example values the same.

$20,000.00carrying cost for the year
Example 3

Beginning inventory: 25% higher

Change beginning inventory to 100,000 while keeping the other example values the same.

$25,000.00carrying cost for the year

Interactive chart

See what changes the result

Result—

The chart changes one input while holding all other current values steady. It is a sensitivity view, not a forecast.

Browser snapshots

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Quick answer

What does the Inventory carrying cost calculate?

What does it cost to hold this inventory for a year? This calculator uses beginning inventory, ending inventory, and carrying rate to estimate cost of holding the average stock immediately in your browser.

With the values currently entered, the result is $22,500.00 — carrying cost for the year. It also shows average inventory, monthly carrying cost, and carrying rate.

How to use the Inventory carrying cost

  1. Replace the example values with your own numbers.
  2. Review the result and supporting figures as they update automatically.
  3. Check the formula and assumptions before using the estimate for a decision.

Inputs used

  • Beginning inventory
  • Ending inventory
  • Carrying rate — entered in %

Inventory carrying cost formula

Average inventory = (beginning + ending) ÷ 2. Annual carrying cost = average inventory × the carrying rate you type.

Assumptions

  • An SEC computation of ratios exhibit writes average inventory as beginning plus ending, divided by two. This page uses that average, then multiplies by the carrying rate you type.
  • ISM describes carrying cost as capital, service, risk, and storage and handling, and says there is no consensus benchmark. The 25 percent in the box is an example rate, not an ISM figure.

Verify the inputs

Authoritative sources

These sources explain the definitions, factors, or rules behind this tool. Their geographic scope is shown because an official source for one country is not automatically valid somewhere else.

Sources do not endorse Calculum. Check the source date, scope, and your own documents before making a financial, tax, insurance, or reporting decision.

Practical guide

Inventory carrying cost example and edge cases

Inventory carrying cost is what you spend to hold stock. ISM describes that cost as capital, service, risk, and storage. This page averages beginning and ending inventory the way the SEC averages it, then multiplies by the rate you type.

Example: 90,000 of average stock at 25 percent

Inventory starts at 80,000 and ends at 100,000, both at cost. The carrying rate in the box is 25 percent. That rate is an example. ISM says there is no consensus benchmark.

Beginning inventory
80,000
Ending inventory
100,000
Carrying rate
25 %

Calculated result$22,500.00carrying cost for the year

Average inventory is 90,000. At 25 percent, a year of carrying cost is 22,500, or 1,875 a month. Type the rate that matches the costs you include.

Example results use the default display profile. The calculator above follows your selected country and units.

How to read the result

  • Read the annual cost first. Then check the average it came from. A higher ending balance raises the average even when the rate stays at 25 percent.
  • ISM lists capital, insurance and taxes, damage and obsolescence, and storage. Leave a cost out of your rate and the 22,500 gets smaller. You choose the rate.

Edge cases worth checking

The ending inventory is a retail price

The SEC average wants inventory on the cost basis you use for turnover. A retail price in the ending box makes the average, and the carrying cost, too high.

Work in process never hits these balances

ISM’s glossary defines work in process as semi-finished goods at some point in production. Add that balance if you want it in the carrying cost. These two boxes only average what you type.

What changes the result most

Beginning inventory

Use a current amount for beginning inventory. Include fees or recurring costs that belong in the same figure.

Ending inventory

Use a current amount for ending inventory. Include fees or recurring costs that belong in the same figure.

Carrying rate

Test a lower and higher carrying rate. A small percentage change can move the final result more than expected.

Try a different scenario

Small changes show whether the answer is stable or sensitive.

Beginning inventory: 25% lower

60,000

$20,000.00carrying cost for the year

Beginning inventory: 25% higher

100,000

$25,000.00carrying cost for the year

Ending inventory: 25% higher

125,000

$25,625.00carrying cost for the year

Common mistakes

Check beginning inventory

An SEC computation of ratios exhibit writes average inventory as beginning plus ending, divided by two. This page uses that average, then multiplies by the carrying rate you type. Make sure this matches the number you enter.

Keep carrying rate consistent

ISM describes carrying cost as capital, service, risk, and storage and handling, and says there is no consensus benchmark. The 25 percent in the box is an example rate, not an ISM figure. Use the same units and time period throughout the calculation.

Do not rely on one inventory carrying cost scenario

Run a cautious case and an optimistic case. The range is often more useful than one exact-looking number.

Use this result well

Use it for

What does it cost to hold this inventory for a year?

Do not use it as

It does not replace a quote, contract, accountant, or local employment guidance.