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Pension Commutation Calculator

Estimate the commuted lump sum and pension payable after commutation. Confirm the applicable factor from the current official table.

Enter pension details

Factor is selected using age on next birthday and remains editable.

What is pension commutation?

Commutation of pension allows a retiring Central Government employee to convert a part of the monthly pension into a one-time lump sum payment. In exchange, the monthly pension is reduced by the commuted portion for a fixed period, after which it is restored to the full amount. This is governed by the CCS (Commutation of Pension) Rules, 1981.

How much pension can be commuted?

A Central Government employee may commute up to a maximum of 40% of the basic monthly pension. There is no minimum — an employee may choose to commute anywhere up to this ceiling, or opt not to commute at all.

How the lump sum is calculated

Commuted lump sum = (Basic Pension × Commutation %) × 12 × Commutation Factor

The commutation factor depends on your age on your next birthday at the time your pension is authorised, drawn from the official commutation table (based on a life-expectancy annuity table notified by the Government). A younger age at retirement gives a higher factor — and hence a larger lump sum for the same percentage commuted — because the pension is expected to be paid, and hence "bought back," over a longer period.

Age next birthdayCommutation factor
608.287
618.194
628.093
637.982
647.862
657.731
667.591
677.431
687.262
697.083
706.897

This is the standard table used since the factor revision under the 7th CPC dispensation. Always cross-check the factor applicable on your date of retirement with your Pay & Accounts Office (PAO), as tables are occasionally revised.

Worked example

Basic pension ₹50,000, commuting 40%, age next birthday 61 (factor 8.194)
Commuted portion = ₹50,000 × 40% = ₹20,000/month
Lump sum = ₹20,000 × 12 × 8.194 = ₹19,66,560
Reduced monthly pension (until restoration) = ₹50,000 − ₹20,000 = ₹30,000

Restoration of commuted pension

The commuted portion of pension is restored after 15 years from the date the reduction begins (typically the date of retirement, or the date the commuted value is credited, whichever governs under the applicable order). After restoration, you receive the full, un-commuted basic pension again — plus all Dearness Relief increases that would have accrued in the meantime, since DR is calculated on the full pension throughout, even during the commuted period.

When to apply, and medical examination

Effect on family pension

Commutation of pension does not reduce family pension. In the event of the pensioner's death, family pension is calculated on the full, un-commuted basic pension — the commutation only affects what the pensioner personally draws during their lifetime (and only until restoration).

Tax treatment

Commuted pension received by a Central Government employee is fully exempt from income tax under Section 10(10A)(i) of the Income Tax Act, 1961, regardless of the percentage commuted.

Source references

Primary sources: CCS (Commutation of Pension) Rules, 1981; CCS (Pension) Rules, 2021, Rule 45 (commutation ceiling of 40%); Section 10(10A)(i), Income Tax Act, 1961.

Frequently Asked Questions

What is the maximum percentage of pension I can commute?
Up to 40% of your basic monthly pension. You may choose any percentage up to this ceiling, or not commute at all.
When is commuted pension restored?
15 years after the reduction begins. After restoration you receive your full basic pension again, along with the Dearness Relief that has accrued in the meantime.
Do I need a medical examination to commute my pension?
Not if you apply within one year of retirement. If you apply after one year, a medical examination by the competent authority is mandatory.
Does commutation reduce family pension after my death?
No. Family pension is always calculated on your full, un-commuted basic pension — commutation only affects the amount you personally draw during your lifetime.
Is the commuted lump sum taxable?
No. Commuted pension received by a Government employee is fully exempt from income tax under Section 10(10A)(i), regardless of the percentage commuted.

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