What Is Data Type DEC in SAP?


Heather Bennett

What Is Data Type DEC in SAP?

In SAP, the data type DEC is used to represent decimal numbers. It is commonly used for storing and processing financial data, such as currency values.

Overview of Data Type DEC

The DEC data type is defined by its precision and scale. Precision refers to the total number of digits that can be stored, while scale represents the number of digits that can be stored after the decimal point.

For example, a DEC data type with a precision of 8 and a scale of 2 can store numbers like 123456.78 or -98765.43. The maximum precision allowed in SAP is 31 digits, and the maximum scale is 16.

Advantages of Using DEC

The DEC data type offers several advantages:

  • Precision: DEC allows you to store highly accurate values with a large number of significant digits, ensuring precise calculations and minimizing rounding errors.
  • Fixed Decimal Point: Unlike floating-point numbers, which have variable decimal places, DEC has a fixed decimal point. This makes it ideal for financial calculations where exact decimal positions are required.
  • Currency Handling: SAP provides specific built-in functions and operations for handling currency values using the DEC data type. This simplifies currency conversions, rounding, and other common financial operations.

Usage in SAP Programs

In SAP programs, you can declare variables or fields with the DEC data type using the following syntax:

DATA variable_name TYPE DEC(precision,scale).

Here, “variable_name” is the name you choose for your variable or field, “precision” represents the total number of digits, and “scale” indicates the number of decimal places.

For example:

DATA amount TYPE DEC(10,2).

This declaration creates a variable named “amount” with a precision of 10 and a scale of 2, allowing it to store currency values with up to two decimal places.

Operations on DEC Data

You can perform various mathematical operations on DEC data in SAP programs. Some common operations include addition, subtraction, multiplication, and division.

amount = amount1 + amount2.

This code snippet adds the values of “amount1” and “amount2” and stores the result in the variable “amount.”


The DEC data type in SAP is a powerful tool for handling decimal numbers, especially in financial calculations. Its precision and fixed decimal point make it suitable for maintaining accuracy when working with currency values. By understanding its usage and advantages, you can effectively utilize the DEC data type in your SAP programs.

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