Accounting & Valuation

What Is a Write-Off?

The Quick Answer

A write-off is when a company formally removes an asset value from its books because it is no longer worth anything. A loan that will never be repaid or unsold inventory gone bad gets written off as a loss. It is an accounting admission that money or value is gone for good.

2 min read Updated: June 2026 Difficulty:
Author: Kiril Koparanov

How does a write-off work?

An asset is only worth what it can actually deliver, and sometimes that value quietly drops to nothing: an invoice that will never be paid, a batch of stock no one will buy. A write-off is the accounting step that finally takes that dead value off the books, cutting the receivable or the inventory down to zero and booking the loss as an expense.

A write-off is essentially a formal admission: the company is no longer pretending this thing is worth what it once claimed.

The Analogy

Clearing out the spoiled stock
A write-off is like finally throwing out the moldy food at the back of the fridge. For a while you kept pretending you might still eat it, but eventually you admit it is waste and bin it. The food is gone either way; the write-off is just the honest moment you stop counting it as something you own.

Why do companies take write-offs?

Companies write off assets to keep their books honest and to follow rules that require reporting assets at realistic values. Writing something off also lowers reported profit, which can reduce the taxes a company owes, since the loss is a genuine expense. Common write-offs include unpaid debts (bad debt), worthless inventory, and goodwill from an acquisition that did not work out.

What is the difference between a write-off and a write-down?

A write-off and a write-down are close cousins. A write-down reduces an asset's value to a lower figure when it is worth less than the books claim but still worth something. A write-off goes all the way, cutting the value to zero. A write-down says "this is worth less than we thought"; a write-off says "this is worth nothing at all."

What is a real example of a write-off?

The most common write-offs are quiet, not dramatic.

Real-World Example

Banks writing off bad loans in 2020
When the COVID-19 pandemic struck in 2020, major banks braced for a wave of borrowers who could not repay. They moved billions of dollars of loans toward write-off, formally accepting that much of the money would never come back.¹ It showed the everyday purpose of a write-off: not theater, but the honest recognition that value already lost is now gone from the books.

The TL;DR for Write-Off

At a Glance

Key Takeaways
- A write-off removes an asset's value from the books when it becomes worthless.
- Common examples are unpaid debts, spoiled inventory, and failed goodwill.
- The lost value is recorded as an expense, which also reduces taxable profit.
- A write-down is the milder cousin, cutting value partway rather than to zero.

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