Pour-Over Coffee Runner
Guided V60 or Chemex pour-over runner with a bloom pour and two timed follow-up pours to cumulative water-weight targets, scaled by your coffee dose and ratio, with a live schedule and count-up clock.
Built by the AbraCalc team
How to play
- Set your coffee dose in grams and choose a ratio from 1:15 (strong) to 1:17 (light) — the schedule below updates live.
- Place your dripper on a scale, zero it, and tap Start Pour to enter the fullscreen guided run.
- Pour to each cumulative gram target as it's called out — BLOOM first, then two follow-up pours — the total clock keeps counting the whole time.
- When the schedule finishes, let the dripper fully drain before you pull it off the cup or carafe.
Pour-over coffee lives and dies by two things: pouring the right amount of water at the right moment. This runner builds a three-step pour schedule from your coffee dose and ratio — a bloom pour of about twice the coffee's weight, then two more pours that bring the cumulative water to 60% and finally 100% of the total target. Each step highlights when it's time to pour and shows the exact cumulative gram mark to stop at, so you're watching a target number on a scale instead of guessing when the bed looks wet enough. A running total clock keeps you oriented across the whole brew.
Frequently asked questions
- Why is the bloom pour about twice the coffee weight instead of a fixed amount?
- The bloom needs enough water to saturate all the grounds evenly without over-diluting them before extraction really starts, and that saturation point scales with how much coffee you're using. Roughly double the coffee's dry weight in water is the widely used starting point, so a 20g dose blooms with about 40g of water and a 30g dose blooms with about 60g.
- How is this different from the French press timer?
- The French press timer runs one bloom and one long steep with grounds fully submerged the whole time, ending in a single plunge. This runner instead prompts several separate pours over a filter, each one adding water up to a specific cumulative weight, because pour-over extraction happens as water drains through rather than while steeping — the two brew methods need genuinely different control points.
- What if my pours don't land exactly on the target gram mark?
- Being a few grams off on any single pour will not ruin the cup — consistency across brews matters more than perfection on one. Aim to land close to each cumulative target before the next prompt appears, and if you consistently overshoot, try pouring in a thinner, slower stream rather than adjusting the schedule itself.