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One line of code each. When OPM publishes new tables, the embedded calculators follow.
GS pay by grade, step and county
<iframe src="https://gspaygrid.com/embed/gs-pay-calculator/" title="2026 GS pay by grade, step and county" width="100%" height="900" style="border:0;max-width:900px" loading="lazy"></iframe>FERS annuity, supplement and survivor
<iframe src="https://gspaygrid.com/embed/fers-calculator/" title="FERS annuity and supplement calculator" width="100%" height="1200" style="border:0;max-width:900px" loading="lazy"></iframe>The calculators run in the visitor's browser and send nothing to us or to you. Please keep the link under the calculator: it is how readers find the sources and the method.
Pay figures reproduce the 2026 OPM tables; retirement figures are estimates from the law and the numbers you type. Your agency payroll office and OPM Retirement Services make the official determination. It is general information, not financial advice and not legal advice.
Pay year 2026, Last updated, OPM tables and FERS rules read on