Write a program to calculate salary in TypeScript

Last Updated : 23 Jul, 2025

In this article, we will understand how we could create a basic Salary Calculator in TypeScript by using simple mathematical logics and operators (like divide("/") or multiply ("*") or addition ("+")).

Syntax: Following is the syntax of enums:

enum enums_name {
    .......
}

Syntax: Following is the class declaration

class class_name {
    constructor () {
        .....
    }
    // Methods and variables.....
}

Following are the examples which show enums and class output on execution over the console.

Example 1: In this example, we will simply create enum and class and their randomly passed results.

JavaScript

enum fruits_name {
  APPLE = 'Apple',
  MANGO = 'Mango',
  GRAPES = 'Grapes'
}

console.log('Enums Output : ');
console.log(fruits_name);
class Person {
  name : string;

  constructor (name : string) {
    this.name = name;
  }

  displayName () : void {
    console.log(`Name of a Person is : ${  this.name}`);
  }
}

const person = new Person('GeeksforGeeks');
person.displayName();

Output:

Enums Output : 
{ APPLE: 'Apple', MANGO: 'Mango', GRAPES: 'Grapes' }
Name of a Person is : GeeksforGeeks

Now that we have understood in detail about enums and classes let us dive into our task of creating a basic Salary Calculator through the following example.

Example 2: In this example, we will create a basic salary calculator, in which the user will pass a total salary amount and further our logic will separate Basic Salary, Medical amount, House Rent amount, and Conveyance amount and displays the result over the console.

JavaScript

enum SalaryDivision {

    // Following values could be considered in %
    Basic = 50,
    HouseRent = 30,
    Medical = 10,
    Conveyance = 10
}

class SalaryCalculator {
    GrossSalary : number;
    
    constructor(GrossSalary : number) {
        this.GrossSalary = GrossSalary;
    }
    
    displaySalary() : void {
        let BasicSalary : number = (this.GrossSalary 
            * SalaryDivision.Basic) / 100;
        let HouseRent : number = (this.GrossSalary 
            * SalaryDivision.HouseRent) / 100;
        let Medical : number = (this.GrossSalary 
            * SalaryDivision.Medical) / 100;
        let Conveyance : number = (this.GrossSalary 
            * SalaryDivision.Conveyance) / 100;
        console.log("Basic Salary : " + BasicSalary);
        console.log("HouseRent : " + HouseRent);
        console.log("Medical : " + Medical);
        console.log("Conveyance : " + Conveyance);
    }
}

let salary1 = new SalaryCalculator(1000000);
let salary2 = new SalaryCalculator(50000000);

salary1.displaySalary();
salary2.displaySalary();

Output:

Basic Salary : 500000
HouseRent : 300000
Medical : 100000
Conveyance : 100000
Basic Salary : 25000000
HouseRent : 15000000
Medical : 5000000
Conveyance : 5000000

Reference: https://www.typescriptlang.org/docs/handbook/enums.html

Getting Started with TypeScript

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Write a program to calculate salary in TypeScript

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