Plain definition
A capital budget is a plan and approval process for spending on long-lived assets or projects, such as equipment, software, a new facility, or a product platform. It asks whether the expected benefits justify both the upfront cash commitment and the risks of being wrong.
Illustrative example
Monetary examples use Saudi riyals (SAR). The same principles apply in other currencies.
A logistics company is considering a sorting machine. It would be paid in two instalments: on order and on installation. Operations expects the machine to reduce annual temporary-labour cash costs by and maintenance to cost a year. The decision case therefore identifies an expected annual net cash benefit of before financing and tax, but it also shows a large first payment before the saving begins.
The investment committee approves only after the finance lead confirms that the payment will not take cash below the agreed floor. Six months after installation, it compares actual labour savings, throughput, downtime, and maintenance with the approved case. Faster processing alone is not proof of a sound investment if the forecast saving did not occur.
| Payment on order | |
|---|---|
| Payment on installation | |
| Total machine cash cost |
| Temporary-labour saving | |
|---|---|
| Maintenance cash cost | |
| Net cash benefit before financing and tax |
A capital budget is about cash paid and benefits expected over time. Accounting depreciation may be useful for reporting, but it is not the cash investment or the cash saving.
Why it matters
Large projects can consume liquidity and borrowing capacity before they generate a return. Approving them from a headline benefit alone can leave a company unable to fund payroll, working capital, or another project with a better use of cash. The case makes opportunity cost and timing visible before the commitment becomes difficult to reverse.
Practical consequence
For each proposal, record the business need, alternatives, upfront and later cash payments, expected benefits, operating costs, owner, approval limit, and the conditions that would stop the project. Test a downside case such as lower volume or delayed commissioning. After approval, add the payment dates to the cash forecast and retain the original assumptions for a post-investment review. A favourable return estimate does not remove the need to prove funding is available when payments fall due.