About the project

Built for Players Who Want to Know

The Blooket Calculator exists because players deserve real probability data before spending tokens — not vague rarity labels.

Legal entity: Blooket Calculator is an independent community project operated as a sole-proprietor web publication. It is not affiliated with, endorsed by, or a subsidiary of Blooket LLC or any related company.

Our team

Who We Are

We are a small team of developers, mathematicians, and Blooket enthusiasts who believe players deserve real probability data before spending tokens — not vague rarity labels. The Blooket Calculator was founded in 2026 and has grown into the most transparent pack-odds reference in the community.

A

Alex M.

Lead Developer & Mathematician

Builds the core probability engine. Background in statistics and game theory.

S

Sam T.

UI/UX Designer

Data visualisation and accessibility-first interface design.

Our story

How We Started

The Blooket Calculator began as a simple side project among friends who were frustrated by the lack of clear probability data in educational gaming. We noticed players spending countless tokens without understanding the true mathematical odds behind the packs they were opening.

What started as a spreadsheet evolved into a structured web reference focused on pack odds, blook pages, and transparent calculator logic. We keep the scope narrow on purpose: current collection mechanics, pack tables, and the math needed to plan a token budget responsibly.

Our services

What We Do

We build mathematically sound tools that turn pack odds into usable decisions. That means converting raw drop rates into budget-aware probability, documenting our assumptions, and keeping the supporting content close to the calculator instead of hiding it in vague marketing copy.

The project also acts as an editorial hub. Alongside the calculator, we maintain pack tables, blook pages, rarity guides, and methodology notes so the site can answer both the math question and the follow-up "what do I do with this information?" question.

Trusted Source Statement

Our credibility statement

We try to earn trust the boring way: by showing our assumptions, keeping pack data crawlable, and separating official product behavior from community-sourced pack references.

You can inspect the formulas on the methodology page, review update history on the change log, and cross-check our editorial policies in the editorial guidelines.

Evidence checklist

Documented formulas

The site explains its binomial probability model and duplicate-refund handling in a dedicated methodology surface.

Visible update trail

Pack data refreshes and major editorial changes are logged so readers can see when the site was last touched.

Clear scope boundaries

We do not pretend every collector term belongs in the live calculator. Pages like Mysticals and Hidden Blooks explain the taxonomy without fabricating pack odds.

Core principles

What makes this different

Exact Math, Not Guesses

Every probability is calculated using the binomial formula P(≥1) = 1 − (1 − p)ⁿ. No shortcuts, no approximations, no averages masquerading as odds.

Transparent Data Sources

All drop rates are labeled with their source. We cross-check the current pack tables against community reference pages like iBlooket and the Blooket Wiki, and we never present that data as official publisher documentation.

No Account Required

The calculator works instantly with zero signup friction. Your settings persist locally and your token budget stays in your browser — we never collect personal data.

Server-Rendered for SEO

Pack data, drop rates, and FAQ content are server-rendered as crawlable HTML. The client calculator hydrates on top without replacing the static content.

Off-Thread Simulation

When you want to go deeper than exact math, the Monte Carlo simulation runs in a dedicated web worker. Thousands of iterations, zero UI jank.

Open and Auditable

The formula, the data, the assumptions — everything is visible. Check the drop rate table, compare with your own experiments, and verify every number.

Roadmap

What's coming next

v1.0May 2026

Launch

Exact binomial odds engine with the first pack calculator experience.

v1.1May 2026

Authority Hub

Full pack index with community-referenced drop tables across live and seasonal packs.

v2.0Planned

Collection Tracker

Track your owned Blooks and see adjusted odds for unowned pulls.