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SAP Transaction OB37: A Step-By-Step Guide for SAP Users

SAP Transaction OB37: A Step-By-Step Guide for SAP Users

Welcome to our tutorial on SAP transaction OB37, a crucial transaction code used in SAP Financial Accounting (FI) module. In this tutorial, we will provide you with a detailed, step-by-step guide on how to effectively utilize OB37 for managing interest calculation methods in your SAP system. Whether you are a novice SAP user or an experienced consultant looking for a refresher, this tutorial will equip you with the necessary knowledge to navigate through OB37 seamlessly.

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Now, let’s dive into our tutorial on using SAP transaction OB37.

What is SAP Transaction OB37?

SAP Transaction OB37 (Interest Calculation Methods) is a vital transaction code used in SAP FI to define and configure interest calculation methods for various financial transactions. It allows users to set up different calculation methods based on specific criteria, such as interest rates, intervals, and calculation formulas. With OB37, you can ensure accurate and consistent interest calculations in your financial processes.

Step 1: Accessing SAP Transaction OB37

To begin using OB37, follow these steps:

  1. Log in to your SAP system using your user ID and password.
  2. Launch the SAP Easy Access Menu.
  3. Navigate to the “Accounting” folder and expand it.
  4. Locate and click on the “Financial Accounting” folder.
  5. From the sub-menu, select “General Ledger.”
  6. Next, choose “Business Transactions” and click on “Interest Calculation Methods” to proceed to the OB37 transaction.

Step 2: Understanding OB37 Transaction Screen

Once you have accessed OB37, you will encounter the OB37 transaction screen, which consists of various fields and tabs. Let’s explore each of them:

  • Interest Calculation Methods: This section displays the list of existing interest calculation methods in your SAP system. You can view and manage these methods based on your requirements.
  • General Data: Here, you can define the general settings for an interest calculation method, such as the method’s description, validity dates, and calculation basis.
  • Calculation Keys: This tab allows you to configure calculation keys, which define the interest calculation rules for specific scenarios. You can set up calculation intervals, interest rates, and calculation formulas for each key.
  • Interest Calculation Types: The interest calculation types tab enables you to define different types of interest calculations, such as simple interest, compound interest, or penalty interest. You can assign these types to calculation keys for specific scenarios.
  • Calculation Formula: In this tab, you can define calculation formulas to determine the interest amount based on various factors, such as principal amount, interest rate, and time period.

Step 3: Creating an Interest Calculation Method with OB37

To create an interest calculation method using OB37, follow these steps:

  1. Start by selecting an existing method from the “Interest Calculation Methods” section or click on the “New Entries” button to create a new method.
  2. Enter the general data for the method in the “General Data” tab. Provide a description, validity dates, and calculation basis.
  3. Move to the “Calculation Keys” tab and click on the “New Entries” button to create a new calculation key.
  4. Configure the calculation key by setting up calculation intervals, interest rates, and calculation formulas as per your requirements.
  5. Switch to the “Interest Calculation Types” tab and assign the appropriate interest calculation types to the calculation key.
  6. If necessary, navigate to the “Calculation Formula” tab and define a calculation formula to determine the interest amount.
  7. Once you have entered all the necessary information, click on the “Save” button to save the interest calculation method.

Congratulations! You have successfully created an interest calculation method using SAP transaction OB37.

Step 4: Exploring Additional Functionality

SAP transaction OB37 offers various additional functionalities to streamline your interest calculation processes. Here are some notable features you can leverage:

  • Change Interest Calculation Methods: OB37 allows you to modify existing interest calculation methods. You can edit fields such as description, validity dates, or calculation basis. Simply select the method and make the necessary changes.
  • Delete Interest Calculation Methods: If you no longer need a particular interest calculation method, you can delete it using OB37. Select the method and choose the “Delete” option to remove it from your system.
  • Copy Interest Calculation Methods: OB37 enables you to copy existing interest calculation methods to create new ones. This feature saves time and effort by replicating the settings of an existing method and allowing you to make minor adjustments as required.
  • Display Interest Calculation Methods: Use OB37 to display existing interest calculation methods by selecting the method and clicking on the “Display” option. This allows you to review the settings and configurations of a method without making any changes.


In this tutorial, we have provided you with a comprehensive guide on using SAP transaction OB37 in the SAP FI module. We covered the basics of OB37, explained how to create an interest calculation method, and explored additional functionalities. Remember, continuous learning and practice are key to becoming proficient in SAP FI.

To further enhance your skills in SAP FI, we highly recommend our SAP MM online video training, designed by our expert SAP MM consultant. This training program offers comprehensive modules and hands-on exercises to help you become an SAP MM expert. Visit roadtoexpert.com to learn more and take your SAP MM skills to new heights.

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