Gratuity from the real ₹90,000/18-year inputs
(15 × ₹90,000 × 18) ÷ 26 gives a real gratuity of ₹9,34,615.38 — well under the ₹20 lakh statutory ceiling.
Leave encashment from the same salary, annualized
₹90,000 × 12 = ₹10,80,000 in annual Basic + DA, feeding the real leave encashment formula to give a daily rate of ₹3,461.54 and, for 30 unused days, an encashment of ₹1,03,846.15.
The combined exit payout: ₹10,38,461.53
Adding the two real amounts together — ₹9,34,615.38 gratuity plus ₹1,03,846.15 leave encashment — gives a genuine full and final settlement figure of ₹10,38,461.53 from a single last drawn salary, years of service, and leave balance, without re-entering any number differently between the two calculators.
Why this chain is valid
Both formulas are legitimately keyed off the same last drawn Basic + DA and both use the same /26 working-days convention — so scaling one monthly figure into the other calculator's annual input is a genuine unit conversion, not an approximation. A different employer using a /30 divisor for leave encashment, or a Basic + DA that changed partway through the final year, would change the leave-encashment half of the total without affecting the gratuity half.