📈 Expected DA Calculator

Project your Dearness Allowance at the next revision, based on how CPI-IW is trending since the last one.

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Enter details

The average CPI-IW used at your last DA revision
How fast you expect CPI-IW to keep rising each month
Enter to see the rupee impact of the expected hike

Fill in the details and click Calculate to see your results.

This calculator is independent and unofficial — not affiliated with, endorsed by, or a representative of the Government of India or any government department. Figures are estimates for informational purposes; verify official figures before making decisions.

Formula at a glance

Expected DA formula: Projected CPI = Current average CPI + Monthly trend × Months ahead; DA % = [ (CPI × 2.88) − 261.4 ] ÷ 261.4 × 100
How the expected da works: Projected CPI = Current average CPI + Monthly trend × Months ahead

📱 Also in our Android apps

This calculator is in each of these free apps. Sign in with the same account to keep your history in sync.

  • Financial CalculatorEMI, SIP, PPF, NPS, post office schemes and government-employee calculatorsGet it on Google Play
  • Govt Employee CalculatorSalary, DA, pension and income tax for government employeesGet it on Google Play

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📘 About the Expected DA Calculator

DA is decided by the average CPI over the previous 12 months, so you can estimate the next revision by projecting how the CPI will move. This calculator projects the CPI forward and shows the DA that would result.

Enter the current 12-month average CPI, the monthly change you expect and the number of months ahead. Add your basic pay to see the extra income.

🧮 Formula

Projected CPI
Projected CPI = Current average CPI + Monthly trend × Months ahead
DA
DA % = [ (CPI × 2.88) − 261.4 ] ÷ 261.4 × 100
Extra monthly income
Extra = Basic pay × (Projected DA − Current DA) ÷ 100

✏️ Worked example

CPI average 145.2, +0.8 a month for 6 months, basic ₹56,100

You enter
Current 12-Month Average CPI-IW145.2
Assumed Monthly CPI Increase0.8 pts/mo
Months to Next DA Revision6 mo
Your Basic Pay (optional)₹56,100
You get
Expected DA at next revision65% (65.26% before rounding)
DA from current average59.98%
Expected hike6 percentage points
Extra salary a month₹3,366
Extra a year₹40,392

Expected DA 65% (65.26% before rounding).

🧭 How to use this calculator

What you enter

  • Current 12-Month Average CPI-IWThe average CPI-IW used at your last DA revision
  • Assumed Monthly CPI Increase (pts/mo)How fast you expect CPI-IW to keep rising each month
  • Months to Next DA Revision (mo)
  • Your Basic Pay (optional) (₹)Enter to see the rupee impact of the expected hike

What you get

  • Expected DA at Next Revision
  • Current DA
  • Expected Increase
  • Extra Monthly Income

❓ Frequently asked questions

How accurate is the estimate?

It assumes the CPI keeps moving at the trend you enter. Actual monthly CPI figures vary.

Where do I find the CPI trend?

Look at the last few monthly AICPI-IW releases from the Labour Bureau.

Is DA announced as a decimal?

No. It is announced as a rounded whole percentage.