historical cost principle
The accounting principle recording assets at their original purchase price rather than current market value, providing objectivity and verifiability.
Example
“Under the historical cost principle, land bought for $1M in 1970 still appears at $1M on the balance sheet despite being worth $20M today.”
Memory Tip
HISTORICAL COST = record at what you PAID, not what it's worth now. Objective but can be misleading.
Why It Matters
Understanding historical cost principle helps you recognize that your financial statements may not reflect what your assets are actually worth today. This matters because it explains why your home or investment portfolio might be worth significantly more than what appears on paper, and why you should not rely solely on accounting records when making decisions about selling assets or assessing your true net worth.
Common Misconception
Many people assume that the book value shown on financial statements represents the current market value of assets. In reality, historical cost principle means that a house purchased for 200,000 dollars twenty years ago will still be listed at that price on the balance sheet, even though it may now be worth 500,000 dollars in today's market.
In Practice
Suppose you bought investment property in 2010 for 300,000 dollars. Under the historical cost principle, that property remains recorded at 300,000 dollars on your accounting records regardless of market conditions. If the property appreciates to 600,000 dollars by 2024, your financial statements will not reflect this gain until you actually sell the property and realize the profit.
Etymology
HISTORICAL (past, original) COST (purchase price) PRINCIPLE. Record at the HISTORICAL (original) COST.
Common Misspellings
Small business accounting made simple
Related Terms
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See Also
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