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How to start your kakeibo today

You need nothing more than a notebook and fifteen minutes. Here are the five steps to get your kakeibo running this very month, with a real example you can copy.

  1. Work out this month's income. Add up everything you'll receive: salary, side income, whatever. Use real figures, not optimistic ones.
  2. Set aside your savings first. Decide how much you want to save and subtract it before you think about spending. This is the gesture that defines kakeibo: savings aren't the leftovers, they come first.
  3. Split what's left across the 4 pillars. Your available money (income − savings) is divided among survival, wants, culture and extra. A starting split: 50/30/10/10.
  4. Log every expense. Each time you spend, note it in its pillar. On paper or in an app — what matters is consistency and the pause writing it creates.
  5. Reflect at month's end. Did you hit your savings goal? Which pillar got away? What will you change next month? Write it down. That minute is where the learning happens.

A real example

Picture income of €2,000 and a savings goal of €500. That leaves €1,500 available, split like this:

ItemAmount
Income€2,000
Savings (off the top)− €500
Available€1,500
Survival (50%)€750
Wants (30%)€450
Culture (10%)€150
Extra (10%)€150

Through the month you log each expense into its pillar and watch what's left in each. If "wants" hits €450 by the 20th, you know it's time to ease off.

A minimal template (copy it)

If you start on paper or a spreadsheet, these columns are all you need:

DateDescriptionPillarAmount
Jul 3Weekly groceriesSurvival€62.40
Jul 5Dinner with friendsWants€28.00
Jul 8BookCulture€19.90

The most common beginner mistake

Quitting after three days because a surprise expense threw everything off. That's fine: that's what the "extra" pillar is for. Kakeibo doesn't chase perfection, it chases awareness. An imperfect month you actually logged beats a perfect month you only imagined.

Carry your kakeibo in your pocket

Zaimu is the kakeibo app that keeps your data only on your phone. No accounts, no cloud, no subscription.

Try Zaimu free Kakeibo calculator