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Straight-Line Depreciation Calculator

Allocate depreciable cost evenly over useful life. Salvage cannot exceed cost; this is a general model, not a local tax schedule.

Enter your values

Enter a numeric value. Must be greater than zero.
Enter a numeric value. Use a non-negative value.
Enter a numeric value. Must be greater than zero.

Use a decimal point, without thousands separators.

Example result
Result
1,800

The initial result uses the example values. Enter your own values and calculate again.

Edit inputs

How it works

Allocate depreciable cost evenly over useful life. Salvage cannot exceed cost; this is a general model, not a local tax schedule.

Inputs and units
Straight-Line Depreciation Calculator · Inputs and units
InputExample valueWhat to enter
Asset cost10,000Enter a numeric value. Must be greater than zero.
Salvage value1,000Enter a numeric value. Use a non-negative value.
Useful life in years5Enter a numeric value. Must be greater than zero.
annual depreciation = (cost−salvage)/life

Worked example

Show example inputs and results

This example is generated by the same calculation engine using the starting values in the form. Your own inputs produce your own result.

Asset cost
10,000
Salvage value
1,000
Useful life in years
5

Complete example results

Result
1,800

Reading the result

Match the rate period to the payment period. Fees and taxes absent from the inputs are not added automatically; compare totals with the same cost coverage.

Questions and answers

Can I use the example values for my own calculation?

The example values illustrate the calculation. Replace every input with your own information, especially dates, rates and the selected operation.

Why are some results rounded?

Results display up to 8 decimal places. Calculations use the unrounded values; very small values use scientific notation. JavaScript floating-point arithmetic can introduce tiny rounding differences.

Are my inputs sent to a server?

The calculator processes inputs in your browser. Its code does not send your values to a server.

Methods & accuracy

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