Does US GAAP allow Lifo?

Asked by: Bettye Ankunding  |  Last update: July 16, 2026
Score: 4.7/5 (11 votes)

Yes, U.S. Generally Accepted Accounting Principles (GAAP) allows companies to use the Last-In, First-Out (LIFO) inventory costing method, along with First-In, First-Out (FIFO) and weighted-average methods, while International Financial Reporting Standards (IFRS) prohibits it due to different principles regarding inventory flow representation and transparency. LIFO can provide tax benefits during inflationary periods by matching current, higher costs with current revenues, leading to lower taxable income, but it leaves older, lower inventory costs on the balance sheet.

Is LIFO permitted in US GAAP?

IAS 2 prohibits LIFO; US GAAP allows its use.

While the majority of US GAAP companies choose FIFO or weighted average for measuring their inventory, some use LIFO for tax reasons.

Does the USA use LIFO or FIFO?

Inventory Methods Allowed Under GAAP and IFRS

If you only do business in the United States, you can use the LIFO method, as well as FIFO and the average cost inventory method. The US uses the US Generally Accepted Accounting Principles (GAAP). However, if you do business internationally, you cannot use the LIFO method.

Is FIFO or LIFO a GAAP?

FIFO is compliant with both GAAP and IFRS, making it widely accepted internationally. LIFO, however, is only allowed under GAAP and is prohibited by IFRS, meaning businesses using LIFO cannot comply with international financial reporting standards.

Why did IFRS ban LIFO?

IFRS mandates that LIFO is not a permissible method of inventory cost calculation or recognizing cost as an expense under the International Accounting Standards (IAS) – 2. LIFO is prohibited because it creates a misleading picture of an organization's financial statements and profitability.

Is LIFO Allowed Under GAAP? - Tax and Accounting Coach

39 related questions found

Does US GAAP permit FIFO?

Internationally accepted: both International Financial Reporting Standards (IFRS) and US GAAP allow FIFO as a valid valuation method. 🔎 Greater transparency: it is an intuitive and easy-to-understand method, which facilitates comparability between companies and review by auditors.

Is LIFO still allowed?

No, LIFO is not universally accepted across all accounting standards. While it is permitted under U.S. Generally Accepted Accounting Principles (GAAP), the International Financial Reporting Standards (IFRS) explicitly prohibit the use of LIFO for inventory valuation.

What is the US GAAP standard for inventory?

In the United States, GAAP requires that inventory is stated at replacement cost if there is a difference between the market value and the replacement value, but upper and lower boundaries apply. This is known as the lower of cost or market value method of inventory valuation.

Why would you use LIFO instead of FIFO?

LIFO can help businesses reduce their tax liability in times of rising costs, as it allows them to match higher costs with current revenues. FIFO, on the other hand, provides a more accurate representation of the actual cost of goods sold but may result in higher taxes during inflation.

Is LIFO allowed under UK GAAP?

LIFO isn't permitted under UK GAAP or IFRS. This means that companies based in the UK must use the FIFO method. LIFO doesn't match the physical flow of inventory, which may be confusing to deal with and may not accurately reflect the true financial position of the business.

Is LIFO allowed under the IRS?

Reg. 1.472-2 provides the general requirements for the adoption and use of the Last-in First-out (LIFO) method. LIFO method and all subsequent years it uses the LIFO method. Once adopted, a taxpayer must use the LIFO method unless the IRS Commissioner consents to termination.

Does Nvidia use LIFO or FIFO?

( January 29, 2023 ) • Nvidia Uses a Multi-step Income Statement • Inventory cost is computed on an adjusted standard basis, which approximates actual cost on an average or first-in, first-out basis ( FIFO) • Nvidia uses a straight-line depreciating method based on the estimated life, which generally equals three to ...

Does the IRS accept an average cost basis?

The IRS generally identifies two methods for calculating cost basis. Average cost method – This method takes the total cost of the shares and divides it by the number of shares in the fund.

Why does the US allow LIFO?

Tax Benefits of LIFO in an Inflationary Environment

Under LIFO, these higher costs are recorded as COGS, reducing pre-tax income and, consequently, federal and state tax liabilities. This reduction in taxable income increases cash flow, which is critical for businesses facing higher costs due to tariffs.

Is US FIFO or LIFO?

FIFO is the right choice, especially for businesses that deal in perishable goods, such as restaurants. LIFO is only permitted as one of the Generally Accepted Accounting Principles (GAAP) in the United States. International companies can't use LIFO as an accounting practice.

What is the difference between IFRS and U.S. GAAP for inventory?

Both GAAP and IFRS allow First In, First Out (FIFO), weighted-average cost, and specific identification methods for valuing inventories. However, GAAP also allows the Last In, First Out (LIFO) method, which is not allowed under IFRS.

Does GAAP require LIFO or FIFO?

U.S. GAAP allows companies to choose among the FIFO, LIFO, and average cost methods. IFRS requires companies to use the FIFO method exclusively. LIFO can make companies' incomes appear smaller, affecting tax obligations. Efforts to align GAAP with IFRS face challenges due to LIFO's impact.

Is FIFO allowed under IFRS?

Globally accepted: FIFO is allowed under Generally Accepted Accounting Principles (GAAP) in the United States and International Financial Reporting Standards (IFRS).

Is it ethical to change from LIFO to FIFO?

TEI recommends that taxpayers who are switching from LIFO to the first-in, first-out (FIFO) inventory method should be allowed to use any acceptable inventory method for financial statement and accounting purposes.

Why is LIFO not allowed under IFRS?

LIFO understates profits for the purposes of minimizing taxable income, results in outdated and obsolete inventory numbers, and can create opportunities for management to manipulate earnings through a LIFO liquidation. Due to these concerns, LIFO is prohibited under IFRS.

What are the inventory costing methods allowed by US GAAP?

Four common methods for reporting inventory under GAAP are:

  • First-in, first-out (FIFO). Under this method, the first items entered into inventory are the first ones presumed sold. ...
  • Last-in, first-out method (LIFO). Here, the last items entered are the first presumed sold. ...
  • Weighted-average cost. ...
  • Specific identification.

What are the limitations of LIFO?

LIFO may not reflect the actual cost of remaining inventory, especially during periods of inflation. LIFO calculations can be more complex compared to FIFO (First-In-First-Out). Because of the complexities of this method, there will potentially be a need for additional record-keeping.

Where is LIFO banned?

Key Takeaways. LIFO is banned under IFRS due to potential financial distortions. LIFO can understate company earnings and lead to outdated inventory values. Under LIFO, tax liabilities are reduced but at the cost of outdated inventory values.

Does IRS use LIFO or FIFO?

The IRS requires LIFO to be used for both tax and financial statement purposes in the primary income statement.

Is LIFO an acceptable inventory costing method?

IMPORTANT: LIFO is only an acceptable inventory valuation method in the United States using the Generally Accepted Accounting Principles (GAAP). LIFO is specifically prohibited under International Financial Reporting Standards (IFRS).