Coffee Calculator

Place a filter in your dripper and rinse with hot water. This removes paper taste and preheats your vessel. Discard the rinse water.

Add your ground coffee and pour twice the coffee weight in water (e.g. 40ml for 20g). Stir gently and let bloom for 30–45 seconds. This releases CO₂ and primes the bed.

Pour in slow, steady spirals from center outward in 3–4 intervals, maintaining a consistent water level. Aim to finish pouring by the 2:30 mark.

Allow the coffee bed to drain fully. Total brew time should be 3–4 minutes. If it runs fast, grind finer. If it stalls, grind coarser.

Fill your French press with hot water and let it sit for 30 seconds. Dump it out. This prevents thermal shock from dropping your brew temperature.

Add your coarsely ground coffee. Pour all your water in one go, making sure all grounds are saturated. Give a gentle stir to ensure even coverage.

Place the lid on top with the plunger pulled up, but do not press. Let steep undisturbed for 4 minutes. Set a timer — over-extraction is a real threat.

Press the plunger down slowly and steadily. Pour all coffee into cups or a carafe immediately — do not let it sit on the grounds or it will over-extract.

Add coarsely ground coffee to your container. Pour cold, filtered water over the grounds. Stir to ensure all grounds are fully saturated. No heat. No hurry.

Cover your container and place in the refrigerator. Let steep for 18–24 hours. Longer steep = heavier body, more concentration. Don't go past 24 hours.

Strain through a fine mesh strainer or cheesecloth into a clean container. For clarity, do a second pass through a paper filter. Keeps refrigerated for up to 2 weeks.

Serve over ice as-is, or dilute 1:1 with water or milk for a lighter strength. This is concentrate — treat it like a loaded weapon.

The quality of your water matters. Use filtered or bottled water — not distilled. Tap water with heavy mineral content or chlorine will mute your coffee's flavor.

Run hot water through a fresh paper filter before adding coffee. This removes paper pulp taste and preheats the carafe. Small step, big difference.

Add your measured ground coffee, level the bed, and start the brew cycle. For best results, grind fresh immediately before brewing — pre-ground coffee degrades fast.

Pour and drink. Coffee sitting on a warming plate is slow-roasting itself into bitterness. If you need to keep it warm, use a thermal carafe.