GSIS Guides & Calculators
An independent, plain-English guide to the Government Service Insurance System — pension estimates, loan tools, and step-by-step explainers for members and pensioners.
This is an unofficial guide. It is not affiliated with, endorsed by, or connected to the Government Service Insurance System (GSIS) or any government agency. For official transactions, visit gsis.gov.ph or call the GSIS Contact Center at 8847-4747.
GSIS Pension Calculator
Estimate your retirement benefit under the GSIS Act of 1997 (RA 8291), using the official Basic Monthly Pension formula.
Estimate only. Formula: RAMC = AMC + ₱700; BMP = 37.5% of RAMC + 2.5% of RAMC for each year of service beyond 15, capped at 90% of AMC, per RA 8291. Confirm your actual benefit with GSIS. This site is an unofficial guide and is not affiliated with the GSIS.
Quick links
- GSIS Pension Calculator
- GSIS Loan Calculator
- GSIS Contribution Table (coming soon)
- How to check your GSIS contributions online (coming soon)
- How to register for GSIS Touch (coming soon)
- GSIS hotline and contact numbers (coming soon)
GSIS Portal is a privately run reference site for GSIS members, pensioners, and their families. Our pension and loan calculators use the formulas and rates from the GSIS Act of 1997 (RA 8291) and official GSIS program terms. We never ask for your BP number, password, or personal account details — this site does not log you in to anything.