Gamepass Value Calculator

Robux-per-straw and Robux-per-hour-of-grind-saved calculator for the six DomBlox gamepasses. Inputs are planned session length, current hands rank, current legs rank, lobby size, and planned grind hours per month. Outputs are per-gamepass payback straws, payback hours, and bundle-vs-a-la-carte verdict.

Session minutes Current hands rank Current legs rank Lobby size Planned grind hours / month

Alacarte total0 R$

EVERYTHING bundle0 R$

Bundle vs alacarte—

Savings0 R$

Planning model from Tools Design.md — Tool 4 (Gamepass Value Calculator). All prices from Roblox game-passes/v1/universes/10761200080 (verified 2026-09-09).

Methodology and assumptions

Method: applies the F4.LT lookup table (peer-verified productIds and Robux prices from the Roblox game-passes/v1 API) to per-gamepass throughput deltas derived from the gamepass descriptions. Bundle verdict compares EVERYTHING (649 R$) against the sum of the five individual passes (199 + 99 + 3*249 = 1,045 R$). Assumptions: utility deltas are derived from the gamepass descriptions, not from server telemetry. Applicability: use to decide between grinding and spending Robux; verify prices in the Roblox catalogue before purchase.

Sources

Tools Design.md — Tool 4 (Gamepass Value Calculator)
Roblox game-passes/v1 — universe 10761200080
Official Roblox Needle In A Haystack experience