Straight Line Method of Depreciation | Example |

Straight Line Method Feature image

Straight Line Method: – 

In Straight Line Method, we calculate the fixed amount of depreciation on the original cost of an asset and charge until the book value of an asset will equal to zero or its scrap value.

It is also called the original cost method and fixed cost method.

This method is suitable for intangible assets like patent, copyright, and trademarks etc.

The formula of Calculated Depreciation: –

The Depreciation can be calculated under the Straight Line Method of Depreciation as shown below:

Depreciation Formula of SLM  - Straight Line Method of Depreciation | Example |

Total Cost of an asset includes money spent on the purchase of it and to convert it into working condition like installation charges, transportation charges, and first time oiling etc. 

Example: On 01/04/2017 Machinery purchased for Rs 11,00,000/- and paid for transportation charge 1,50,000/- to install the machine in our plant and paid installation charges also for Rs 50,000/-. Scrap value will be Rs 1,00,000/- and the useful life of machinery is 20 year. Year ending 31 March. Charge depreciation with the Straight Line Method of depreciation. 

So, Total Cost of an asset = 11,00,000+1,50,000+50,000 

  =Rs 13,00,000/- 

Depreciation Example of SLM 1 1 - Straight Line Method of Depreciation | Example |

We can also calculate the rate of depreciation with the following formula:

Depreciation Example of Rate of dep SLM  - Straight Line Method of Depreciation | Example |

The journal entries under the Straight Line Method: –

How to post journal entries under the Straight Line Method of Depreciation shown below:

In the First Years: – 

1) 01/04/18 Machinery A/c    Dr.      13,00,000

To Bank A/c                        13,00,000

(Being machinery purchased)

2) 01/04/18 Machinery A/c    Dr.        1,50,000

To Bank A/c                        1,50,000

(Being transport charges paid on the purchase of machinery )

3) 01/04/18 Machinery A/c    Dr.           50,000

To Bank A/c                           50,000

(Being Installation charges paid on the purchase of machinery )

4) 31/03/18  Depreciation A/c    Dr.      60,000

To Machinery A/c                        60,000

(Being Depreciation charged on the machine )

4) 31/03/18    Profit and Loss A/c    Dr.      60,000

To Depreciation A/c                        60,000

(Being Depreciation on machine transfer to P/L A/c)

*Note: We can post all payment transactions together if they are taking please on same date and payment is made to the single person. 

In Subsequent Years: – 

We will post only transactions 3 & 4 transactions at the end of each subsequent year until the value of an asset become zero or equal to scrap value. and when we sold out this asset.

We also have to post-opening & closing assets and liabilities entry in the books. 

The Asset account under the Straight Line Method: –

Now we will prepare an asset account under the Straight Line Method of Depreciation shown below:

Machinery Account
Date Particulars Amount Date Particulars Amount
01-04-17 To Bank A/c         11,00,000 31-03-18 By Depreciation A/c               60,000
01-04-17 To Bank A/c
(Transportation)
          1,50,000 31-03-18 By Balance C/d
(Balancing Fig)
        12,40,000
01-04-17 To Bank A/c
(Installation)
50,000      
         13,00,000          13,00,000
 
01-04-18 To Balance B/d         12,40,000 31-03-19 By Depreciation A/c               60,000
      31-03-19 By Balance C/d
(Balancing Fig)
        11,80,000
         12,40,000          12,40,000
 
01-04-19 To Balance B/d         11,80,000 31-03-20 By Depreciation A/c               60,000
      31-03-20 By Balance C/d
(Balancing Fig)
        11,20,000
         11,80,000          11,80,000
 
01-04-20 To Balance B/d         11,20,000 31-03-21 By Depreciation A/c               60,000
      31-03-21 By Balance C/d
(Balancing Fig)
        10,60,000
         11,20,000          11,20,000
 
01-04-21 To Balance B/d         10,60,000 31-03-22 By Depreciation A/c               60,000
      31-03-22 By Balance C/d
(Balancing Fig)
        10,00,000
         10,60,000          10,60,000
 
01-04-22 To Balance B/d         10,00,000 31-03-23 By Depreciation A/c               60,000
      31-03-23 By Balance C/d
(Balancing Fig)
          9,40,000
         10,00,000          10,00,000
So on…………………

The table of depreciation charged under Straight Line Method.

The following table shows the year by year depreciation charged under Straight Line Method.

Year ended  Opening balance of an asset Amount of depreciation  The closing balance of an asset
31-03-2017  13,00,000     60,000  12,40,000
31-03-2018  12,40,000     60,000  11,80,000
31-03-2019  11,80,000     60,000  11,20,000
31-03-2020  11,20,000     60,000  10,60,000
31-03-2021  10,60,000     60,000  10,00,000
31-03-2022  10,00,000     60,000   9,40,000
31-03-2023  9,40,000    60,000  8,80,000
31-03-2024 8,80,000   60,000 8,20,000
31-03-2025 8,20,000 60,000 7,60,000
31-03-2026 7,60,000   60,000 7,00,000
31-03-2027 7,00,000   60,000 6,40,000
31-03-2028 6,40,000 60,000 5,80,000
31-03-2029 5,80,000   60,000 5,20,000
31-03-2030 5,20,000 60,000 4,60,000
31-03-2031 4,60,000 60,000 4,00,000
31-03-2032 4,00,000 60,000 3,40,000
31-03-2033 3,40,000   60,000 2,80,000
31-03-2034 2,80,000 60,000 2,20,000
31-03-2035 2,20,000 60,000 1,60,000
31-03-2036 1,60,000 60,000 1,00,000

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