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EST. 2026🧬 SCIENCE TOOLS

The Creative Island · Island 13 · Field Station 07

Research Reef

The marine lab of the archipelago — built on a zoology and fisheries background, for anyone who works with water, labs and honest numbers.

All calculations stay on your device.

▶ Open the tools

The map · the grounds

6 places on this island.

Free, fast and private — every tool opens straight from Google search, works on any phone, and never asks you to sign up.

BLDG AThe Lab Bench · · the scientific calculator

BLDG BThe Dilution Station · · C1V1 = C2V2 and friends

BLDG CThe Tank Room · · aquarium volumes, sized right

BLDG DThe Stocking Pond · · fish density, counted honestly

BLDG EThe Probability Board · · odds, fractions and dice

BLDG FThe Field Station · · species notes & guides — pages being written

The tool shed · open 24/7

6 tools, pinned to the board.

🧮Scientific CalculatorFree online scientific calculator — sin, cos, tan, log, ln, square roots, powers and pi, with a safe local expression engine.Open tool ↗🧪Dilution CalculatorFree dilution calculator — solve C1V1 = C2V2 for any variable: find the volume of stock solution or diluent needed for your target concentration.Open tool ↗⚖️Molarity CalculatorFree molarity calculator — convert between mass, molar mass, volume and molarity for any solution.Open tool ↗🐟Aquarium Volume CalculatorFree aquarium volume calculator — find the litre and gallon capacity of rectangular and cylinder tanks from dimensions, with a realistic water-level discount.Open tool ↗🎣Fish Stocking CalculatorFree fish stocking calculator — enter tank volume and fish size to estimate a sensible stocking level, with the honest limits of rule-of-thumb stocking.Open tool ↗🎲Probability CalculatorFree probability calculator — convert between favorable/total fractions, percentages, odds and one-in-N chances, with dice and coin quick facts.Open tool ↗

Next from the field station: ammonia dosing helper, substrate/CO2 tables, and species care sheets — the research boat is out.

🔒 Privacy, the island rule

Every tool on Research Reef runs entirely in your browser. Nothing you type is uploaded, saved or sent anywhere — no accounts, no tracking. Close the tab and your data is gone, the way it should be. Details: Privacy Policy.

▶ Read everything from Research Reef

Island by Rahul Smoothy · part of The Creative Island

THE ARCHIPELAGO

Speedboat dock. Where to next, captain?

The boat runs from this island straight to every other island of the archipelago.

🏝️Main IslandThe home portSail back ↗🎯The 90s Kids IslandIsland 01 · the memory islandVisit the island ↗🎮Pixel LagoonIsland 02 · the gaming islandVisit the island ↗🛒Bazaar BayIsland 03 · the shopping islandVisit the island ↗🤝Client CoveIsland 04 · for clients & commissionsBring me a brief ↗🎓Scholar BayIsland 05 · student toolsVisit ↗💼Ledger HarborIsland 06 · business toolsVisit ↗🕑Clocktower TownIsland 07 · daily toolsVisit ↗💻Circuit CoveIsland 08 · developer toolsVisit ↗🎨Palette AtollIsland 09 · design toolsVisit ↗📄Paper PortIsland 10 · text toolsVisit ↗🧑‍💼Career StationIsland 11 · career toolsVisit ↗📷Darkroom IsleIsland 12 · photo toolsVisit ↗🔒Safe HarborIsland 14 · security toolsVisit ↗

🧬Research ReefIsland 13 · you are here