Skip to content
Precision coffee guides, every week. Get started free

Lab tools

Coffee Extraction Calculator

Interactive tools from the Synapsis lab: extraction time-temperature calculator, caffeine half-life timer, and grind-size reference. Data-driven. Tested across 8 brewing methods and 50+ bean origins.

🧪 Lab methodology Every calculator here is grounded in neuroscience research + kitchen testing. Extraction calculator: 40 parameter combinations tested (water temp 65–95°C, grind sizes 0–30, bloom phases). Caffeine timing: modeled on published half-life data (CYP1A2 metabolism, individual variation). Grind reference: tested on Baratza Encore, Wilfa Svart, Fellow Ode across 20 coffee types.