Spread.Sheets Documentation
DB

This function calculates the depreciation of an asset for a specified period using the fixed‑declining balance method.

Syntax

DB(cost,salvage,life,period,month)

Arguments

This functions has these arguments:

Argument Description
cost Initial cost of the asset
salvage Value at the end of the depreciation period
life Number of periods over which the asset is being depreciated
period Period for which you want to calculate the depreciation; use the same units as the life argument
month [Optional] Number of months in the first year; if omitted, the calculation uses 12 months

Remarks

The fixed-declining balance method computes depreciation at a fixed rate. This function uses the following equation to calculate depreciation for a period:

(cost – total depreciation from prior periods) x rate

where:

rate = 1 – ((salvage/cost)^(1/life)), rounded to three decimal places

Depreciation for the first and last periods is a special case. For the first period, the function uses this equation:

dep = cost x rate x month/12

For the last period, the function uses this equation:

dep = ((cost – total dep. from prior periods) x rate x (12 – month))/12.

Data Types

Accepts numeric data for all arguments. Returns numeric data.

Examples

DB(B1,1000,10,1)

DB(R1C2,10000,10,1)

DB(500000,5000,5,1,10) gives the result $25,0833.3333333333

See Also

 

 


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