ESI contribution calculator
The employee and employer shares on a given wage — and the contribution-period rule that causes most shortfall notices.
ESI contribution calculator
Employee and employer ESI contributions, and whether the employee is covered at all.
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How ESI is calculated
Where an establishment is covered and the employee earns within the wage limit, the employee contributes 0.75% of gross wages and the employer 3.25%. It is computed on gross wages, not on PF wages, which is a frequent source of error.
The rule that catches people out
Eligibility is tested at the start of a contribution period, not every month.
The contribution periods run April–September and October–March. An employee whose wages cross the limit in, say, July remains covered until the end of September — contributions continue for the rest of that period. Employers who stop deducting the moment wages cross the limit receive a shortfall notice later, with interest.
What ESI actually buys
Medical care for the employee and dependants, sickness benefit, maternity benefit, disablement benefit and dependants' benefit. For a workforce earning within the limit, it is usually more valuable than a private policy at the same cost — worth explaining to employees who see it only as a deduction.
A worked example
On gross wages of ₹18,000 within a covered establishment, the employee contributes 0.75% — ₹135 — and the employer 3.25%, or ₹585. The total reaching ESIC is ₹720 for that employee for the month.
Note that this is computed on gross wages, not on PF wages. The two bases are different, which is why the PF and ESI figures on the same payslip rarely bear any relationship to each other.
The rule that produces the notice
Eligibility is tested at the start of a contribution period, not month by month. The periods run April to September and October to March.
An employee earning within the limit on 1 April remains covered until 30 September, even if a June increment takes them above the limit. Stopping the deduction in June feels correct and is the single most common cause of an ESI shortfall notice.
The reverse is also true: somebody who crosses above the limit before a period begins does not become covered part-way through it because their wages fell.
Where coverage comes from
Coverage is an establishment question first and an employee question second. The establishment must be covered, in an implemented area, meeting the employee-count threshold — and only then does the individual wage limit decide who contributes.
ESI contribution calculator FAQs
An employee crossed the wage limit in June. Do we stop deducting?
No. Contribution continues to the end of the contribution period — 30 September in that case. This is the rule most often configured wrongly, and the resulting shortfall notice usually arrives long after the mistake.
Is ESI computed on gross or on PF wages?
On gross wages, excluding specified items. It is a wider base than PF wages, so the ESI figure is normally computed on a higher amount than the PF figure.
Does ESI apply everywhere in India?
Only in implemented areas, and only to covered establishments. A company with one branch in an implemented area and another outside it will have employees in both positions.
What if we get a shortfall notice?
It generally arises from a period-stickiness error rather than from a rate error. Reconstruct the wage position at the start of each contribution period, and the gap usually explains itself.
Do we calculate ESI on the same wages as PF?
No, and this is the most frequent error. The ESI wage base is wider than the PF one, which is why the two deductions on a single payslip are rarely in proportion to each other.
An employee crossed the limit mid-period. What does the calculator show?
Contribution continues to the end of the contribution period regardless of the crossing. If you stop at the crossing you will be short, and the shortfall surfaces at the half-yearly return rather than immediately.
Is the employer share deducted from the employee?
No. The employer share is a cost to the employer and must never be recovered from wages. Recovering it is both a wage deduction issue and an ESI issue at the same time.
Do we pay ESI on overtime?
Overtime forms part of the wage base for contribution purposes even though it is excluded when testing the wage limit for coverage. Treating it consistently in both places is the usual mistake.
Stop calculating this one employee at a time
Klok tests eligibility at the contribution-period boundary rather than monthly, so coverage continues correctly when someone crosses the limit mid-period.