The 50/30/20 calculator, your monthly split and daily allowance
The 50/30/20 rule splits take-home income into 50% for needs, 30% for wants and 20% for savings. Enter your income and fixed commitments to see each share in your currency, whether your needs can carry your commitments, and how much is left for each day.
Calculator
What reaches you after deductions.
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Leave it blank if you pay no rent.
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The total you pay each month on existing instalments.
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Left for day-to-day spending (÷ 30 days)
| Needs (50%) | |
|---|---|
| Wants (30%) | |
| Savings (20%) | |
| Fixed commitments (rent and instalments) | |
| Commitments as a share of income | |
| Left in needs after the commitments |
The calculation runs on your device; nothing you type is sent anywhere.
How the calculator works
- Needs are 50% of income, wants 30% and savings 20%.
- Fixed commitments are rent and instalments together, and they come out of the needs share.
- The daily allowance is income minus the fixed commitments and the savings, divided by 30 days. It covers food, transport, the bills that vary and your wants together.
A hypothetical example: take-home income of EGP 15,000, rent of 4,000 and an instalment of 1,000. Savings are EGP 3,000 and fixed commitments 5,000, which leaves EGP 7,000, about 233 a day.
When needs cannot carry your commitments
If rent and instalments take more than half of your income, the rule does not fit your month as it stands. That is common in cities where housing takes a third of a salary or more. It does not mean giving up on saving: start with a smaller share you can keep every month, and raise it when an instalment ends or your income grows. The 50/30/20 rule in Egyptian pounds, three tables for three income levels walks through three households whose shares drift for reasons that make sense.
Saving first
The calculator takes savings out before it works out the daily allowance, because what is set aside at the start of the month stays saved, and what is left for the end usually gets spent. That is the idea of Lesson 2.2: Pay yourself first, and set your daily figure, applied to your figures.
Questions people ask
Do I enter my salary before or after deductions?
After. The rule splits what actually reaches you, not the figure in your contract. If you are not sure of your take-home pay, start with the salary calculator for your country under all calculators.
Where do electricity and groceries go?
They are needs, but they are not entered here because they change from month to month. They stay inside the daily allowance, which is why the calculator only takes out fixed commitments and savings.
My income changes every month. What should I enter?
The lowest income you received in the last six months. When a better month comes, save the difference rather than spending it.
Why 30 days rather than the days in the month?
So the result stays steady from month to month. The gap between a 30-day and a 31-day month is small, and recording your spending is what tells you whether you are within the allowance.
In Masareefy you set your income and monthly budget once, and the app shows each day what is left to spend after the commitments you have recorded.
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