FIFO and LIFO inventory management are two methods for valuing inventory and calculating the cost of goods sold (COGS). FIFO stands for First In, First Out, where older inventory is sold first. LIFO stands for Last In, First Out, where newer inventory is sold first. Knowing which to use can impact your business’s financial health and tax obligations. This article will break down the differences, financial impacts, and how to choose the best for you.

Overview of FIFO and LIFO Inventory Management

FIFO and LIFO methods are the predominant accounting methods in inventory management. They assign value to inventory and, in such a way, influence financial conditions and business operations in the company.

FIFO (First In, First Out) assumes that the oldest inventory items are sold first, while LIFO (Last In, First Out) assumes the newest inventory items are sold first. This fundamental difference in inventory flow shapes the financial outcomes and operational strategies of your company.

Both methods play a significant role in categorizing goods available for sale into the Cost of Goods Sold (COGS) or ending inventory (closing inventory). While FIFO is often viewed as a more reliable inventory valuation system due to its lower potential for misrepresentation, LIFO allows your business to match recent costs with revenues and, in such a way, directly impact your tax liabilities and profitability.

The cost of goods sold (COGS) is calculated as a sum of beginning inventory (opening inventory), purchases during the period, and closing (ending) inventory.

Simply, choosing between FIFO or LIFO affects a company’s taxes, income, and financial health significantly.

What is FIFO?

FIFO (First In, First Out) is an inventory management method where the oldest inventory goes out the door first.

This can have a big impact on your costs of goods sold and profitability, especially during inflationary periods. This inventory valuation method assumes the oldest inventory is sold first, which often means lower COGS and higher profit.

Let’s look at an example. If your company buys and sells fresh fruit, here’s a breakdown of its inventory purchases:

• January: 100 units at $5 each
• February: 100 units at $6 each
• March: 100 units at $7 each

In April your company sells 150 units. Using the FIFO method, the cost of goods sold is calculated based on the oldest inventory first. So the calculation is:

• 100 units from January at $5 each = $500
• 50 units from February at $6 each = $300

Therefore, the total COGS for April is $500 + $300 = $800.

Using FIFO, your company records a COGS of $800. If your company sells the 150 units at $10 each the total revenue is 150 units x $10 = $1,500. The gross profit is:

• Gross Profit = Total Revenue – COGS
• Gross Profit = $1,500 – $800 = $700

During inflation, since FIFO uses older, cheaper inventory costs, it results in a lower cost of goods sold than LIFO. This means higher gross profit and net income and better profitability. The remaining inventory is valued at a more current market price, which means higher costs, and that’s good for the company’s financial health.

This is especially good for businesses that deal with perishable goods where inventory turnover is fast, and profitability is key. By matching inventory valuation to market conditions, FIFO ensures the financial statements show a true picture of the company’s economic position so you can make better decisions and plan financially.

Related: Carrying Cost of Inventory

What is LIFO?

LIFO stands for Last In, First Out. It’s the opposite of FIFO, where the newest inventory is sold first instead of the oldest. LIFO means the most recent inventory is sold before older stock.

For example, let’s say your company buys vacuums in two lots: 100 units at $200 each and another 100 units at $240 each. If you sell 150 units using the LIFO method, the cost of goods sold is calculated starting with the most recent inventory.

So, for the first 100 units sold at $240 each, the costs of goods sold would be $24,000, and for the next 50 units sold at $200 each, it would be $10,000. Total cost of goods sold would be $24,000 + $10,000 = $34,000.

With FIFO, it would be 100 units sold at $200 (first in) and the next 50 units sold at $240 (last in). In this case, using FIFO, the cost of goods sold would be $20,000 + $12,000 = $32,000.

This way, the most recent, higher-cost inventory impacts the cost of goods sold, which can greatly affect profitability. If the vacuums are sold at $300 each, the total revenue for 150 units would be 150 x $300 = $45,000. The gross profit would then be $45,000 – $34,000 = $11,000 using LIFO. Meanwhile, with FIFO, it would be $45,000 – $32,000 = $13,000.

So you see, using LIFO, your company reports the higher cost of goods sold because of the increasing cost of inventory and lower gross profit compared to FIFO. This can help you reduce taxable income during inflationary periods, give you tax benefits, and impact your company’s financial planning.

LIFO is more commonly used by companies dealing with nonperishable goods to reduce tax burdens during inflation.

How FIFO and LIFO Affect Financial Statements

FIFO or LIFO can have a big impact on your business’s financials and tax. These inventory methods affect your balance sheets and income statements directly because changing the value of remaining inventory and COGS, FIFO, and LIFO will give you different net income.

FIFO and LIFO affect not only inventory valuation but also your profit margins in your financials.

Knowing this is important for financial reporting and planning. But let’s get into how both work.

Related: Mastering Just-in-Time Inventory Management

Income Statement

As you have seen, FIFO gives you higher gross profit and net income in inflationary periods as it uses older, cheaper inventory for COGS. This means lower COGS and higher gross income, which often means higher taxable income.

On the other side, LIFO gives you lower net income in inflationary periods as COGS is higher. Higher COGS under LIFO means lower profits, so lower tax liability in the short term.

So, while FIFO gives you higher taxable income, LIFO gives you lower taxable income due to higher COGS. The main difference is that FIFO uses older inventory, while LIFO uses newer inventory, affecting profit margins.

You need to analyze and consider these when choosing an inventory valuation method.

Balance Sheet

FIFO will give you an ending inventory value on the balance sheet that reflects current market prices because this method allocates the oldest inventory costs to COGS, so you may have a higher ending inventory value on the balance sheet in inflation.

In inflation, LIFO will give you higher COGS and thus lower profits as it uses newer, higher-cost inventory to calculate COGS. This will give you lower taxable income and impact your overall financial health by reducing the tax bill.

Using LIFO could result in lower ending inventory values and higher COGS, which influences your net income and tax liabilities.

Related: How to Streamline Your Supply Chain Management Process for Optimal Efficiency

How to Calculate FIFO and LIFO

To calculate FIFO and LIFO, you will use specific formulas that determine the cost of goods sold (COGS) and ending inventory. For FIFO, COGS is calculated by multiplying the quantity sold by the cost of the oldest items in inventory. Conversely, LIFO calculates COGS by multiplying the quantity sold by the cost of the most recent inventory purchased.

These calculations are vital for accurate financial reporting and inventory management.

Calculating FIFO

The formula for FIFO is simple:

COGS = Cost of Goods x Units Sold.

Only the oldest goods in inventory are counted in this calculation, so the earliest goods purchased are accounted for first.

For example, if you sold 120 shirts from your inventory, the COGS would be calculated starting with the oldest batches purchased. Let’s say your ending inventory has products from Batch 1 with 150 units at $25 each, a total of $3,750, and Batch 2 with 350 units at $20 each, a total of $7,000.

If 120 units are sold, COGS with FIFO is $3,000 from Batch 1 (first in) and zero from Batch 2 (last in) because we have more stock from the first batch than what we have sold.

Ending inventory is calculated by subtracting COGS from total goods available for sale. For example, in the previous example, if the total goods available for sale is $10,750, the ending inventory value is $7,750 with 380 units left.

This method ensures that the ending inventory value is closer to the current market price, which is good for industries with perishable goods.

Calculating LIFO

For calculating COGS using LIFO, the most recently purchased goods serve as the starting point.

The formula is the same as in FIFO but uses the latest inventory price first.

For example, if your company sold 120 shirts from your inventory, the COGS would be calculated starting with the newest batches purchased.

Suppose the ending inventory is the same as in the previous case, or you have products from purchased Batch 1, which consists of 150 units at $25 each, totaling $3,750, and Batch 2, which has 350 units at $20 each, totaling $7,000. If you sell 120 units, the cost of goods sold is calculated using the recent $20 units first, followed by the remaining units from the previous batch.

In this case, the COGS will be 120 units x $20 (last in value), which will be a total of $2,400.

So, now, with LIFO, the ending inventory after you sell 120 units will be 10,750 – 2,400 = $8,350 with 380 units left.

Now, you can clearly see the difference.

Related: How to Calculate Economic Order Quantity for Your Business

Real-World Examples of FIFO and LIFO

Different industries will use different approaches in the calculation. For example, a grocery store using FIFO sells products with the earliest expiration dates first to minimize waste, while an automotive dealership using LIFO sells its most recently acquired, higher-priced vehicles first to manage costs.

These cases highlight how FIFO minimizes waste by managing perishable inventory, while LIFO addresses the pricing dynamics of newer goods.

Example Using Inventory Valuation FIFO

Consider Candle Corporation, which purchased two batches of inventory: 3,000 units at $1.25 each and 6,000 units at $1.75 each, totaling 9,000 units. The company then sold 7,000 units.

Using the FIFO method, the COGS would be calculated based on the oldest inventory first. Therefore, the first 3,000 units sold at $1.25 each would amount to $3,750, and the next 4,000 units sold at $1.75 each would amount to $7,000. Hence, the total COGS would be $3,750 + $7,000 = $10,750.

The remaining inventory would then consist of 2,000 units from the second batch at $1.75 each, totaling $3,500. This method ensures that the ending inventory reflects the most recent market prices, providing a more accurate picture of the company’s inventory cost and financial health.

Example Using Inventory Valuation LIFO

In a LIFO example, let’s say a company has 100 units purchased at $10 each and another 100 units at $12 each. If the company sells 150 units, the COGS would be calculated using the most recent $12 units first. Therefore, the first 100 units sold at $12 each would amount to $1,200, and the next 50 units sold at $10 each would amount to $500. Hence, the total COGS would be $1,200 + $500 = $1,700.

The remaining inventory will then be 50 units at $10 each (first in), for a total of $500.

This method prioritizes the most recently acquired inventory, which can significantly impact financial outcomes, particularly in industries like oil and gas, where costs fluctuate frequently. By using LIFO accounting and the LIFO method, you can manage your taxable income effectively, reducing your tax liabilities during inflationary periods.

Advantages and Disadvantages of FIFO and LIFO

Knowing the pros and cons of both inventory valuyation methods helps you to decide about the best method for your own business needs. Each has unique benefits and drawbacks affecting financial reporting, tax liabilities, and business strategy, as we already discussed above.

Advantages of FIFO

FIFO generally leads to higher profits as it improves gross income by selling older, often cheaper inventory first. This method accurately reflects current inventory value, improving profitability in retail environments.

Additionally, FIFO results in a higher remaining inventory value compared to other methods, indicating better financial health on the balance sheet.

FIFO also promotes regular inventory turnover by selling older stock first, reducing obsolescence risk. This method is easy to manage and interpret, simplifying inventory valuation.

Disadvantages of FIFO

However, FIFO can lead to increased tax liabilities due to higher reported profits during periods of inflation.

During inflation, FIFO typically results in higher taxable income because older, cheaper inventory costs are matched against the increased revenue from higher prices. This increased tax burden can strain cash flow, limiting your business’s ability to reinvest or pay down debt.

Therefore, you might rethink your inventory valuation strategies to mitigate increased tax liabilities with FIFO during inflation.

LIFO Pros

On the other hand, LIFO can be beneficial for companies looking to reduce their tax liabilities by reporting lower profits. By using LIFO, your company can report lower profits during inflation and thus reduce your overall tax burden.

LIFO during inflation allows you to report lower profits, which means lower taxes.

Also, LIFO matches recent costs to revenues better by making the latest inventory costs impact gross profit.

LIFO Cons

On the other hand, the LIFO method can result in older inventory items remaining unsold and ending inventory valuation. Using LIFO can also result in lower profits on financial statements, which can impact investor perception and business valuation.

Also, LIFO is more complex to account for and can impact financial accuracy and record keeping as it involves managing multiple layers of inventory costs over time.

And LIFO is not allowed under the International Financial Reporting Standards (IFRS).

Impact of Inflation on FIFO and LIFO Methods

Inflation increases the valuation difference between these two inventory valuation methods and, in such a way, impacts the

FIFO Method During Inflation

During inflation, FIFO can mean a higher tax bill as it shows higher profits because you are selling older stock purchased at a lower cost.

High inflation means FIFO uses lower cost of goods sold, so higher taxable income. Higher taxable income means higher taxes, which can be a big burden for businesses during inflation.

LIFO Method During Inflation

On the other side, during inflation, the LIFO method increases the cost of goods sold and reduces taxable income. By matching higher costs with revenue during inflationary periods, LIFO helps companies reduce taxable income and, thus, tax liabilities.

Both FIFO and LIFO inventory valuation methods affect tax obligations, LIFO is chosen to show lower profits.

According to Generally Accepted Accounting Principles (GAAP), US companies can choose FIFO, average cost, or LIFO during periods of rising prices. This method will result in the highest cost of goods sold (COGS) and lowest income subject to tax.

Regulatory and Tax Considerations

Every business must adhere to Generally Accepted Accounting Principles (GAAP) or International Financial Reporting Standards (IFRS) when choosing FIFO or LIFO. Switching to FIFO or LIFO requires changes to your accounting practices to reflect your inventory costs accurately, approval from tax authorities due to regulatory compliance requirements, and to meet financial reporting standards.

GAAP and IFRS

FIFO is compliant with both US GAAP and IFRS, so it’s a safe choice for consistent reporting. Since FIFO is global, it’s good if your business operates across multiple jurisdictions. LIFO is only allowed under US GAAP and not under IFRS.

LIFO is only allowed under U.S. standards, limiting international companies’ flexibility. Both GAAP and IFRS allow FIFO, but only GAAP allows LIFO, so there’s a big difference between the two.

Tax Implications

Using LIFO can reduce tax liability in inflationary periods by matching higher costs with current revenues. LIFO reduces tax liability by reducing reported profits, which in turn reduces taxable income. FIFO can increase the tax burden because of higher reported profits due to the lower cost of goods sold during inflation.

Adopting FIFO or LIFO demands careful tax planning in the US to optimize tax liability.

Choosing the Right Method for Your Business

When you want to select between FIFO and LIFO inventory valuation methods, you must consider the current inventory valuation you use, inflation, financial reporting, and taxes.

Remember that influencing factors can change, so it will require periodic reassessment. Also, you must consider specific industry regulations and tax implications for your company.

FIFO is often preferred for products with a risk of obsolescence, while LIFO can be beneficial for managing tax liabilities during inflation.

Factors to Consider

FIFO is typically used in industries that handle perishables, ensuring older inventory is the first that will sell. On the other side, as we explained above, LIFO is often used in industries with longer-lasting products, such as retail or heavy machinery.

Factors that influence the choice between FIFO and LIFO inventory valuation methods include:

• your company’s financial strategy,
• industry-specific characteristics where your business operates, and
• your business goals.

When switching inventory methods, we highly recommend consulting a CPA (Certified Public Accountant) to ensure first regulatory compliance and timely financial reporting guidance.

Industry-Specific Recommendations

Industry-specific recommendations vary as different industries have their own needs that influence their choice between FIFO or LIFO inventory valuation methods:

1. Perishable Goods Industry (e.g., Grocery Stores): These businesses prefer FIFO to minimize spoilage and loss by selling older stock first, keeping products fresh, and reducing waste.
2. Retail Industry (e.g., Clothing Stores): Retailers use FIFO to reflect current market prices in their inventory valuations, which can increase profitability by selling older, lower-cost stock first.
3. Manufacturing Industry: Manufacturers may use FIFO to match the physical flow of goods to simplify and improve manufacturing and inventory turnover. With FIFO or LIFO, manufacturing companies can have in- or between-process inventories due to the physical flow of raw materials to finished goods.
4. Automotive Industry: Companies in this sector may use LIFO to manage cost fluctuations and reduce taxable income during inflationary periods as newer, higher-cost inventory is sold first.
5. Heavy Machinery Industry: Like the automotive sector, heavy machinery companies may use LIFO to take advantage of tax reduction strategies during price increases.
6. Technology Industry: Companies with rapidly changing tech products use FIFO to sell older models before they become obsolete, keeping them relevant in the market.

Frequently Asked Questions