Enter one number you already know, your monthly income after tax, and see what a workable split looks like in rupees. Adjust the ratio until it matches the life you actually live.
Put in your monthly income after tax, the amount that actually reaches your account.
Choose a ratio: 50/30/20 classic, 60/20/20 if your cost of living is high, or 50/20/30 if you are saving hard.
Get back the rupee value of each of the three portions.
See it as a single bar you can read at a glance, so the split stops being abstract.
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It is a budgeting guide that puts 50% of your income after tax towards needs, 30% towards wants and 20% towards savings. It is a starting shape rather than a law, and the calculator lets you change the ratio.
Needs are the things that keep your life running: rent, utilities, food, transport, school fees, insurance and minimum loan payments. Wants are everything you would still be fine without this month. The line moves from household to household, which is why the lesson spends time on it.
That is common when the cost of living is high. Use the 60/20/20 ratio instead, which is built for exactly that situation, and protect the savings portion rather than the wants portion.
Answers the uncomfortable question first: if your income stopped today, how many months would your savings actually cover?
Answers the uncomfortable question first: if your income stopped today, how many months would your savings actually cover?
Your debt ratio in one line: monthly debt payments divided by monthly income. It tells you whether you repayments are heavy or normal.
Compares the two ways of clearing debt on your own numbers: smallest balance first for momentum (snowball), or highest interest first to save the most money (avalanche).
Shows what a steady monthly amount becomes when it is left alone to grow, and how much of the final total is growth rather than money you put in.
The hidden risk inside a "safe" savings account. Compares the interest you earn against inflation, so you can see what your money will really buy later.
Puts a number on the distance between what your retirement will cost and what you are currently on course to have.
Enter one number you already know, your monthly salary before deductions, and see what you actually pay in tax each month and each year. The rates are the ones in force from 1 April 2025.
Put in what your goal costs, how long you have, and the return you expect, and see the amount to invest each month in rupees. Change the goal, change the timeline, and watch the number move.
EPF and ETF are Sri Lanka's workplace retirement contributions. Enter your monthly salary and see all three in rupees, and what actually reaches your account.
Join women across Sri Lanka learning to budget, invest, and plan, free.