Gratuity Calculator
Estimate gratuity from last drawn basic plus DA and years of service using the common India formula.
Gratuity inputs
Gratuity estimate
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About gratuity estimates
What does this tool do?
Estimates gratuity from last drawn salary and service tenure using the common fifteen-by-twenty-six formula used for many employees in India.
Why does it matter?
Employees often want a quick retirement or exit estimate, while HR teams use gratuity math when planning compensation liabilities.
Definition
Gratuity is a long-service benefit generally linked to last drawn salary and completed years of service, subject to eligibility and employer policy.
Assumptions
- This tool uses a common formula and a simple five-year eligibility assumption
- Months of service are rounded up only when they are six months or more
- It does not include legal caps, exemptions, or employer-specific rules
How do you interpret your results?
Treat this as a planning estimate. Final gratuity eligibility and amount should be confirmed with payroll or HR.
How can you improve your numbers?
Use last drawn basic plus DA
That salary figure is typically more relevant for gratuity than total CTC or take-home salary.
Confirm service computation
Joining date, exit date, leave treatment, and company policy can change how tenure is counted.
What the Gratuity Calculator does
The Gratuity Calculator estimates a gratuity amount from last drawn monthly basic plus dearness allowance and length of service. You enter the monthly figure, completed years, and any additional months beyond those years. The tool rounds the service length to a whole number of years using its own rounding rule, applies the standard formula, and shows the estimated amount together with a simple eligibility flag and the service figure it used.
For an employer this is a provisioning number rather than a payroll number. Gratuity accrues quietly for every long-serving employee and becomes payable in a lump at exit, which is exactly when a small business is least prepared for it. Running the calculation across your longest-tenured staff once a year tells you what liability has built up out of sight, and whether it should be set aside rather than discovered.
The tool applies a formula. It does not decide eligibility in any binding sense, does not read your employment contracts, does not account for schemes more generous than the statutory minimum, and does not deal with the tax treatment of the amount received. Cases involving death, disability, transfers between group entities, or contested service periods sit entirely outside what it models. Treat the output as an order-of-magnitude figure.
How to use the Gratuity Calculator
Enter last drawn basic plus DA per month
Use the monthly figure at the point of exit, not the annual one and not the gross. If dearness allowance forms part of the structure, include it; if your company does not have a DA component, enter basic on its own.
Enter completed years of service
Count whole years actually completed with the employer. Do not round up in this field, because the additional-months field exists for the remainder and doing it in both places inflates the result by a full year.
Add the leftover months
Enter the months served beyond those completed years. The tool decides from this whether the service length rounds up to another full year, and the output tells you which service figure it settled on.
Check the eligibility flag
The flag is a simple service-length check, not a legal opinion. If it reads no, the estimated amount shows as zero, which reflects the rule the tool applies rather than a determination about your particular case.
Record the estimate against the employee
For provisioning, keep the estimate on the employee record and refresh it when salaries are revised. Gratuity moves with last drawn salary, so an estimate made three appraisals ago will understate the liability you are actually carrying.
How to read your results
Look at the years-used line before you look at the amount. If it differs from the years you entered, the additional-months field has pushed the service length up and the estimate is a full year higher than you may have expected. The amount scales directly with both last drawn salary and service length, so a salary revision raises the accrued liability for every eligible employee at once, not only for the person being promoted.
The mistake employers make is treating this as a cost that arrives on the resignation date. It accrues from the day service begins and grows with every increment. Modelling it once a year for long-tenured staff turns a lump-sum shock into a planned provision. Employment terms and the tax treatment of gratuity vary, so have your accountant confirm the position before you commit anything to a settlement letter.
Real-world examples
A Rajkot engineering unit with three long-serving fitters
All three joined within a year of each other and are approaching the same tenure. The owner runs each one and finds the combined estimate is a meaningful share of a quarter's cash. Knowing that a year in advance allows the amount to be provisioned steadily rather than funded in a rush when the first of them retires.
A Chandigarh clinic after an appraisal round
Salaries were revised across the practice. Because the estimate is based on last drawn salary, the accrued liability rose for every eligible staff member on the same day. Re-running the numbers straight after the appraisal keeps the provision aligned with the new payroll instead of the old one. The revised figure goes onto the same record as the salary change, so nothing has to be reconstructed later.
A Vadodara distributor negotiating an exit
A manager is leaving partway through a year. The additional-months field shows whether the service length rounds up, and therefore whether the estimate steps up by a full year of accrual. That is worth knowing before the settlement conversation, and worth confirming with an accountant before anything is offered in writing. The number is a starting point for that discussion, not the offer itself.
Gratuity Calculator — frequently asked questions
Quick answer
What salary should I use for gratuity calculation?
- Does this guarantee gratuity eligibility