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Arrears Calculator: A Comprehensive Guide for Employers and Employees

An Arrears Calculator is a useful tool designed to calculate the amount of back pay or overdue payments owed to an employee. This includes salary arrears, bonuses, or any other payments that were missed or delayed. This guide aims to explain the purpose of an Arrears Calculator, how it works, key considerations, and the benefits it offers.

What is an Arrears Calculator and its Purpose? 

An Arrears Calculator is a digital tool used to compute the total amount of unpaid or overdue payments owed to an employee. Its purpose is to ensure that employees receive all due payments accurately and fairly, maintaining compliance with employment agreements and labor laws.

How does an Arrears Calculator Work? 

Users input essential details such as the amount of the missed payments, the period for which payments were missed, and any applicable interest or penalties. The calculator processes this data to determine the total amount of arrears owed, including any interest or penalties for delayed payments.

Key Considerations in Arrears Calculation:

  • Amount of Missed Payments:

The total amount of salary, bonuses, or other payments that were missed or delayed.

  • Period of Arrears:

The time period during which the payments were missed or delayed.

  • Interest or Penalties:

Any interest or penalties applicable to the overdue payments, which may vary based on company policies or legal requirements.

  • Employee’s Salary Details:

Information on the employee’s regular salary, hourly wage, or agreed payment terms to ensure accurate arrears calculations.

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Benefits of Using an Arrears Calculator:

  • Accuracy in Payments:

The calculator ensures accurate computation of overdue payments, reducing the risk of errors and ensuring employees receive the correct amount.

  • Compliance with Laws:

Ensuring that arrears are calculated and paid accurately helps organizations comply with labor laws and employment agreements, avoiding legal issues and penalties.

  • Employee Satisfaction:

Timely and accurate payment of arrears can improve employee satisfaction and trust in the organization, fostering a positive work environment.

  • Efficiency in Payroll Processing:

Automating arrears calculations with a digital tool streamlines payroll processing, saving time and reducing administrative burdens for HR departments.

How to calculate Income Tax on Arrear Salary?

Calculate Taxable Arrears:

Determine the total arrear amount received for each financial year. Arrears are usually taxed in the year they are received, not the year to which they relate.

Compute Tax for Each Year:

Compute the tax for each financial year in which the arrears are applicable as if the arrears were received in those years. This involves:

Identifying the tax slab rates applicable for each year.

Applying deductions and exemptions available for those years.

Calculate Difference:

Find the difference between the tax payable with the arrears and the tax payable without the arrears for each year.

Aggregate Tax Liability:

Sum up the differences calculated for each year to determine the additional tax liability due to arrears.

Pay Additional Tax:

Pay the additional tax liability along with any interest due, if applicable.

Example of Arrears Calculation:

Suppose an employee is owed salary arrears for 3 months due to a delayed promotion. The monthly salary difference due to the promotion is ₹5,000. Additionally, the company policy includes a 2% interest on delayed payments.

Total Salary Arrears: ₹5,000 x 3 months = ₹15,000

Interest on Arrears: 2% of ₹15,000 = ₹300

Total Arrears: ₹15,000 (Salary Arrears) + ₹300 (Interest) = ₹15,300

FAQs for Arrears Calculator:

1. How can employees use the Arrears Calculator to verify their overdue payments?

Employees can input details of missed payments, the period of arrears, and any applicable interest into the calculator to verify the total arrears owed to them, ensuring they receive the correct amount.

2. Can the Arrears Calculator account for different types of payments, such as bonuses or allowances?

Yes, the calculator can be used to calculate arrears for various types of payments, including bonuses, allowances, and other forms of compensation, ensuring comprehensive calculations.

3. How frequently should employers update the data in the Arrears Calculator?

Employers should update the data for each pay period to reflect any changes in missed payments, periods of arrears, or applicable interest rates, ensuring ongoing accuracy in arrears calculations.

4. Is it possible to customize the Arrears Calculator for specific company policies or industry standards?

Many Arrears Calculators offer customization options, allowing employers to tailor the tool to their specific company policies or industry standards, ensuring relevant and accurate calculations.

5. How does the Arrears Calculator help in maintaining compliance with labor laws?

By ensuring accurate and timely payment of arrears, the calculator helps organizations comply with labor laws and employment agreements, reducing the risk of legal issues and penalties.


An Arrears Calculator is a valuable tool for ensuring that employees receive all due payments accurately and fairly. By automating the calculation of overdue payments, the calculator helps organizations maintain compliance with labor laws, improve employee satisfaction, and streamline payroll processing.

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