How to Brew Coffee Using Hario V60: Tetsu Kasuya's 4:6 Method

How to Brew Coffee Using Hario V60: Tetsu Kasuya's 4:6 Method

Posted by Nate Lee on

If you're looking for a way to brew a perfectly balanced cup of coffee, look no further than the Hario V60. This iconic brewing device has become a staple in specialty coffee shops and homes around the world and for a good reason. Its simple design allows for precise control over the brewing process, resulting in a clean and flavorful cup every time.

To help us master the art of brewing with the Hario V60, we've turned to Tetsu Kasuya, co-founder of Philo Coffea in Japan and World Brewers Cup Champion 2016. In an interview with Hario, Kasuya shared his love for the V60 and his signature 4:6 method.

What is the 4:6 method, you might ask? It's a brewing technique developed by Kasuya that focuses on the amount of water in the first pour, which ultimately defines the coffee's acidity and sweetness. Here's how to do it:


Tetsu Kasuya V60 Recipe:


  • Hario V60 Ceramic Dripper
  • Hario V60 paper filters
  • Scale
  • Timer
  • Kettle


  • 20g coffee (coarse grind size)
  • 300mL water (92°C / 197.6°F)

Brewing Process:

  1. Rinse the paper filter with hot water and discard the water.
  2. Add the coffee to the V60 and level it off.
  3. Start the timer and pour 50mL of water over the coffee, making sure to saturate all the grounds evenly. This is the first pour.
  4. Wait for 45 seconds, then pour another 70mL of water evenly over the coffee. This is the second pour.
  5. Divide the remaining water into three equal parts, each at 60mL.
  6. After 1 minute and 30 seconds, pour the first of the three pours.
  7. Wait 40 seconds, then pour the second of the three pours.
  8. Wait another 30 seconds, then pour the final pour.
  9. Remove the V60 dripper and enjoy your perfectly balanced cup of coffee!

What sets Kasuya's method apart is the attention to detail and the use of a coarse grind size, which allows for a slower water flow rate and more flavour extraction. By adjusting the amount of water in each pour, you can customize the acidity and sweetness of your coffee to your liking. 

If you're new to the Hario V60, don't be intimidated. With a little practice and patience, you can master the art of brewing with this iconic device and enjoy a delicious cup of coffee in the comfort of your own home.

So why not give the 4:6 method a try and experience the magic of the Hario V60 for yourself?


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