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Coffee Brew Timer for Pour Over, V60 & Chemex

Pick a brew method and dose, press start, and the timer tells you when to pour, the scale reading to pour to, and what comes next.

Brew with a pour over timer

g
  1. 0:00 · Bloom to 50 gPour gently to wet every ground, then swirl.
  2. 0:45 · First pour to 185 gSlow spiral from the centre outward.
  3. 1:30 · Second pour to 320 gSame spiral, then a gentle swirl to flatten the bed.
  4. 3:00 · Drawdown doneAim to finish between 2:30 and 3:30.

Ready

V60

0:00

Step

Bloom

Scale target

50 g

Next

First pour at 0:45

Next: Pour gently to wet every ground, then swirl.

The math behind the calculator

Each recipe scales its scale readings from your dose: total water = dose × the method's ratio, the bloom is 2 to 2.5× the dose, and the pours split the rest.

Step times are common starting points for each method, not rules. Use them to keep brews consistent, then adjust grind if the total time drifts.

How to use the result

  1. 1Pick your method and dose.
  2. 2Put the brewer on a scale and press start.
  3. 3Pour to each scale reading when the step comes up.

Common mistakes

  • Starting the timer after the bloom instead of with it.
  • Changing grind and ratio in the same brew.
  • Letting French press sit after pressing.

What this calculator assumes

Every fixed figure the maths uses, so you can check the result against your own gear.

  • Ratios: V60 1:16, Chemex 1:16, French press 1:14, AeroPress 1:15.
  • Water is taken as 1 g per ml, so scale readings in grams equal millilitres.
  • Step times are typical starting recipes, not a standard.
  • The timer counts real elapsed time from when you press start.

Brew timer recipes at a glance

The starting recipe the timer follows for each method.

MethodRatioBloomTarget total time
V601:162–2.5× dose, 30–45 s2:30–3:30
Chemex1:162–2.5× dose, 45 s4:00–4:30
French press1:14None (full pour)4:00 steep, press by 5:00
AeroPress1:152× dose, 30 sAbout 2:00

What does your brew time tell you?

Total time is the quickest check on your grind.

What happenedLikely causeNext brew
Finished well before target, tastes sour or thinGrind too coarseGrind one step finer
Ran well past target, tastes bitter or dryGrind too fine, or too many finesGrind one step coarser
Time on target, still weakRatio too longUse more coffee for the same water
Time on target, uneven or muddyPouring too hard, or uneven bedPour gently and swirl after the last pour

Change one thing per brew. The coffee grind size chart shows where each method usually starts.

An Even Grind Makes Timing Mean Something

Brew time only tells you something when the grind is consistent. These are our top-rated burr grinders.

Fellow Ode Gen 24.8

Fellow

Fellow Ode Gen 2 Review

A single-dose grinder built specifically for pour-over and filter coffee enthusiasts — not intended for espresso.

Turin DF64 Gen 24.8

Turin

Turin DF64 Gen 2 Review

An electric grinder with factory-aligned 64mm flat burrs and very low retention, built for single-dose espresso workflows.

Frequently Asked Questions

Quick answers before you buy.

Do I need a timer to brew coffee?

It helps.

Brew time is the main clue to whether your grind is right, and a step timer makes each pour land at the same moment every time, so you only change one thing between brews.

Can I use the timer with a scale?

Yes, that is how it is designed.

Each step shows a scale reading in grams; pour until the scale shows that number.

How long should French press steep?

Four minutes is the common start.

Break the crust at 4:00, skim, then press and pour at about 5:00 so the coffee stops brewing.

Does the timer keep running if I switch tabs?

Yes.

It counts from when you pressed start, so switching apps or locking the screen briefly does not lose time.

Can I change the ratio?

Each method uses a common starting ratio.

For a different ratio, work out the water in the matching calculator and pour to that total instead.

What should my total brew time be?

About 2:30 to 3:30 for a single V60, 4:00 to 4:30 for a Chemex, around 2:00 for AeroPress and 4:00 plus pressing for French press.

If you land well outside that, change the grind first.

Keep reading: more guides on the same topic.

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