EXPENDR › 50/30/20 budget calculator
Free tool

Where should my salary go?

The 50/30/20 rule splits take-home pay three ways: half for needs, 30% for wants and 20% for savings. Put your salary in to see the three amounts, then add what your needs really cost — high rent is where the rule usually breaks, and this shows you by how much.

Save each month
20% of take-home pay
Needs
Wants
Wants per week
Saved in a year
Your needs vs the rule
Your savings vs the rule
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The rule

What the 50/30/20 rule actually says

The rule was popularised by Elizabeth Warren and Amelia Warren Tyagi in their 2005 book All Your Worth. It splits take-home pay into three buckets and asks you to track only three numbers instead of dozens of categories:

needs = take-home pay × 50%
wants = take-home pay × 30%
savings = take-home pay × 20%

Its strength is that it is simple enough to remember at the checkout. Its weakness is that it was written for households where housing sat comfortably inside half of income — which is exactly the assumption that fails first in an expensive city.

Needs or wants? Where the line sits

A need is something that would cause real harm if you stopped paying it this month. A want is everything you could pause without consequence. In practice:

  • Needs: rent, electricity, water and cooling, internet, school fees, loan and card minimums, insurance, basic groceries, fuel and transport to work.
  • Wants: eating out and delivery, entertainment, subscriptions you could cancel, shopping beyond the basics, and upgrades of anything on the needs list.
  • Savings: emergency fund, paying down debt beyond the minimum, and money you set aside for a big known cost — a school year, a car, the annual trip home.

Groceries are the usual argument. The basic shop is a need; the premium version of it is a want. Split it if the difference is large.

When rent breaks the rule

In the UAE, rent is often paid for the year in a small number of cheques, and in expensive areas housing alone can take close to half of take-home pay before utilities, school or transport are counted. When that happens, forcing needs into 50% only produces a budget you will ignore. The honest adjustment is to hold savings where they are and let wants shrink:

  • 60 / 20 / 20 keeps the full 20% for savings and accepts that needs cost more.
  • 70 / 20 / 10 is a survival split for heavy months or a new move — worth using, but worth leaving too.

If needs sit above 70% for long, no split fixes it. The useful conclusion is then about the size of the fixed costs, not about coffee.

Take-home pay, not the contract salary

The rule works on what actually lands in your account. In the UAE there is no personal income tax on salaries, so for most expats take-home pay is close to the contract figure; UAE and GCC nationals should use the amount after their pension contribution. If income varies month to month, use a cautious average rather than your best month.

Making the wants number last

A monthly wants budget has the same problem as any monthly number: it looks large for three weeks and small in the fourth. Dividing it into weeks gives you a checkpoint every seven days instead of one at the end — the weekly budget calculator does exactly that, and in a household it matters even more, because two people spending from one wants budget each only see their own half of it.

The app

Your wants budget, split into weeks, shared with the family

EXPENDR takes bills off the top, turns the rest into weekly budgets by category, and shows everyone in the household what is left as soon as anyone spends. Weekly budgets, budget alerts and the weekly recap are free. English and Arabic, 55 currencies.

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Questions

The 50/30/20 rule, answered

What is the 50/30/20 rule?
A simple way to split take-home pay: 50% for needs such as rent, utilities, school fees and basic groceries, 30% for wants such as eating out and entertainment, and 20% for savings and paying down debt. It was popularised by Elizabeth Warren and Amelia Warren Tyagi in their 2005 book All Your Worth.
Does the 50/30/20 rule work in the UAE?
It works as a measurement more often than as a rule. Where rent takes close to half of take-home pay, needs pass 50% before anything else is counted. Keep the savings share and let wants shrink instead — a 60/20/20 split is a realistic starting point for many households with high rent.
Is rent a need or a want?
Rent for a home you need is a need. The part of your rent that pays for more space or a better area than you need is, strictly, a want — but it is locked in for the length of the lease, so treat it as a need for this year and decide about it at renewal.
Should I use my gross or net salary?
Use net: the amount that actually arrives in your account each month. The rule only works on money you can spend. In the UAE there is no personal income tax on salaries, so for most expats the two are close; nationals should use the figure after their pension contribution.
What if I cannot save 20%?
Start with whatever you can save every month without fail, even if it is 5%, and raise it each time a fixed cost goes away or your income rises. A small amount saved consistently is worth more than a 20% target abandoned in the second month.
Do you store the numbers I type here?
No. The calculation runs in your browser and the figures are never sent or saved anywhere. Close the tab and they are gone.