Comparing a fixed deposit, monthly saving plan, or cooperative offer and wondering what the final amount will really be? Small differences in rate, compounding frequency, and monthly contribution can change your maturity value by lakhs over time. This 2026 calculator shows how your savings grow year by year with clear totals, interest earned, and invested amount. It works smoothly on mobile after the page loads, and your principal, rate, and savings plan stay inside your browser.
चक्रवृद्धि ब्याज क्याल्कुलेटर · बचत · स्थायी निक्षेप · मासिक योगदान
| Year | Invested | Interest | Total |
|---|---|---|---|
| Press Calculate to see results | |||
Most Nepali savers compare FD rates by looking only at the annual percentage, then miss the effect of compounding frequency, monthly deposits and tax on interest. This upgraded 2026 calculator turns those hidden details into a clear growth chart and year-by-year table. It is touch-optimized for mobile and gives instant results after calculation, even on slower connections. Your principal, rate, term and contribution values are processed client-side, with no data storage and a privacy-first approach for personal planning at home.
Most Nepali families think about saving money in one of three ways: keeping it under the mattress, putting it in a savings account that pays almost nothing, or locking it in a fixed deposit without really understanding how much they will actually earn. This guide is about replacing those vague approaches with a clear mathematical understanding of how money grows over time - specifically within Nepal's banking system - and how this calculator makes that math accessible to everyone.
Compound interest is one of the most powerful forces in personal finance. It is also one of the most misunderstood. Most people know that interest earns them money. Fewer people truly grasp how dramatically different the outcome is when you earn interest on your interest, versus earning interest only on your original deposit. This difference becomes staggering over 10, 15, or 20 years. The year-by-year breakdown table in this calculator makes that acceleration visible in a way that permanently changes how you think about time and money.
Before getting into Nepal-specific rates and products, the mathematical foundation needs to be clear. This is the single most important concept for any Nepali saver to understand - and most banks never explain it properly when you open an account.
Simple interest pays you a fixed percentage of your original deposit (the principal) each year, and nothing more. If you deposit Rs. 1,00,000 at 6% simple interest for 10 years, you earn Rs. 6,000 per year for 10 years - Rs. 60,000 total. Ending balance: Rs. 1,60,000.
Compound interest pays you the same percentage, but on your growing balance rather than just your original principal. The interest from the previous period gets added to the balance, and the next period's interest is calculated on the new, larger amount. Using the same Rs. 1,00,000 at 6% compounded annually:
At the end of 10 years with compound interest, your balance is Rs. 1,79,084 - not Rs. 1,60,000. That extra Rs. 19,084 is the power of compounding: the interest itself earned interest. And over 20 years at the same rate, the difference becomes far more dramatic.
| Year | Simple Interest Balance | Compound Interest (6% quarterly) | Extra from compounding |
|---|---|---|---|
| 1 | Rs 1,06,000 | Rs 1,06,136 | +Rs 136 |
| 5 | Rs 1,30,000 | Rs 1,34,686 | +Rs 4,686 |
| 10 | Rs 1,60,000 | Rs 1,81,402 | +Rs 21,402 |
| 15 | Rs 1,90,000 | Rs 2,44,322 | +Rs 54,322 |
| 20 | Rs 2,20,000 | Rs 3,29,066 | +Rs 1,09,066 |
| 30 | Rs 2,80,000 | Rs 5,97,432 | +Rs 3,17,432 |
Over 30 years, compound growth produces more than double the simple interest outcome -from the exact same deposit, at the exact same rate. This is why financial educators call compound interest the eighth wonder of the world. It rewards patience at a mathematical level. The longer you leave money untouched, the more aggressively it grows.
When you open a fixed deposit (FD) at a Nepali bank, the interest might be quoted as annual but compounded quarterly or monthly. This distinction matters and changes your final return. The compounding frequency is not always prominently displayed -you have to ask specifically.
The formula for compound interest is: A = P × (1 + r/n)n×t -where A is the final amount, P is the principal, r is the annual rate as a decimal, n is the number of compounding periods per year, and t is the number of years.
| Compounding Frequency | Rs 5,00,000 at 7% for 5 years | Difference vs Annual |
|---|---|---|
| Annually (1×/year) | Rs 7,01,276 | - |
| Half-Yearly (2×/year) | Rs 7,04,796 | +Rs 3,520 |
| Quarterly (4×/year) | Rs 7,06,569 | +Rs 5,293 |
| Monthly (12×/year) | Rs 7,07,568 | +Rs 6,292 |
| Daily (365×/year) | Rs 7,08,157 | +Rs 6,881 |
The difference between annual and monthly compounding on a Rs. 5,00,000 FD is Rs. 6,292 over 5 years. Small on its own -but over 20 years the gap grows substantially. Most Nepal commercial bank FDs use quarterly compounding as the default. This calculator defaults to quarterly for that reason.
Nepal's FD rates have moved significantly over the past five years, driven by NRB monetary policy, liquidity conditions, and base rate guideline changes. The rates of 2022–2023 -when some banks offered 12% or higher -were extraordinary and temporary, driven by an acute liquidity crunch. The current 3% to 7% range is more representative of a normal operating environment.
NRB does not set FD rates directly -it influences them through monetary policy and liquidity guidelines. When the banking system has excess liquidity, rates fall. When liquidity tightens, banks raise FD rates to attract deposits. Watching NRB's periodic monetary policy statements gives you advance signal of which direction FD rates are likely to move.
Commercial banks in Nepal offer higher interest rates for specific categories of depositors. Understanding these can meaningfully improve your returns -and most Nepalis are unaware of them until they ask.
Most commercial banks offer an additional 0.5% to 1% on fixed deposits held by depositors aged 60 and above. If you or your parents qualify, always ask specifically about the senior citizen rate. On a Rs. 10 lakh deposit over 5 years, an extra 1% compounds to over Rs. 50,000 more at maturity -meaningful money from simply asking the right question at the counter.
Nepali workers abroad who remit money home can often access higher FD rates through special remittance deposit schemes. Some banks offer 0.5% to 1.5% more on these deposits as an incentive to route remittances through the formal banking system. If you are a Nepali working in the Gulf, Malaysia, Japan, South Korea, or elsewhere, ask your family's bank about remittance FD rates before opening a standard deposit.
These are different from fixed deposits. Instead of a lump sum, you deposit a fixed amount every month and earn compound interest on the accumulating balance. The effective interest rate on an RD is slightly different from an FD because the principal grows gradually. Use the monthly contribution field in this calculator to model recurring deposit scenarios.
Divide 72 by your annual interest rate and the result is the approximate number of years it takes for your money to double. One of the most useful mental shortcuts in personal finance -and it takes five seconds to apply.
72 ÷ interest rate = years to double your money. The same formula works in reverse for inflation: it tells you how fast rising prices erode your purchasing power.
Nepal's average inflation has hovered around 6% to 8% in recent years. At 7% inflation: 72 ÷ 7 = 10.3 years for prices to double. This means if your money is sitting in a savings account earning 2% while inflation runs at 7%, your purchasing power is being eroded, not built. A fixed deposit at 5% in a 7% inflation environment is technically growing in nominal rupees but shrinking in real purchasing power. Understanding this is the strongest argument for not leaving all your savings in low-rate savings accounts indefinitely.
The calculator has a Monthly Contribution field. This models what financial planners call a systematic investment approach -similar to the SIP (Systematic Investment Plan) model used for mutual funds, adapted here for regular savings deposits at Nepal banks.
The idea is simple: instead of a one-time lump sum, you add a fixed amount every month to your savings. The calculator shows how your total balance grows when both your initial deposit and your ongoing contributions are compounding together.
The math behind monthly contributions uses an annuity formula: FV = PMT × ((1 + r)n − 1) / r -where PMT is the monthly contribution, r is the monthly interest rate (annual rate ÷ 12), and n is the total number of months.
A young professional who cannot afford a large initial lump sum can model what regular monthly saving looks like over 10 or 20 years and be genuinely surprised by the result. The calculator makes this visible instantly as you adjust the slider. That surprise is the point -it is what turns an abstract concept into a personal decision.
One of the most important features of this calculator is not the final number. It is the year-by-year breakdown table that shows your balance at each annual checkpoint.
Most people think about compound interest as a line going gradually upward. The table reveals something more striking: the growth accelerates. The amount your balance grows in year 15 is roughly double what it grew in year 5, even though the interest rate is exactly the same -because the base is much larger in year 15.
| Year | Balance (Rs 1L @ 7% quarterly) | Growth that year |
|---|---|---|
| 1 | Rs 1,07,186 | Rs 7,186 |
| 5 | Rs 1,41,765 | Rs 9,270 |
| 10 | Rs 2,00,978 | Rs 13,148 |
| 15 | Rs 2,84,879 | Rs 18,641 |
| 20 | Rs 4,03,929 | Rs 26,437 |
| 25 | Rs 5,72,847 | Rs 37,482 |
The growth per year in Year 20 is nearly four times the growth in Year 1, with the same interest rate. For many people who see this for the first time, it fundamentally changes how they think about time in relation to money. Starting to save at 25 versus 35 is not just 10 years of difference -it is the difference between entering the high-acceleration phase of compounding before retirement, or arriving at retirement just as the acceleration is getting started.
This is the most counterintuitive insight from compound interest, and it is worth stating precisely. Two people, same Rs. 5,00,000 in savings. Person A deposits at age 25, Person B at age 35. Both leave it until age 60 at 7% compounded annually.
| Person | Start Age | Years Compounding | Final Balance at Age 60 |
|---|---|---|---|
| Person A | 25 | 35 years | ~Rs 53,73,000 |
| Person B | 35 | 25 years | ~Rs 27,14,000 |
| Cost of waiting just 10 years to start | −Rs 26,59,000 | ||
Person A ends up with approximately Rs. 26,59,000 more -not by investing more, but simply by starting 10 years earlier with the exact same amount. This is not a trick or cherry-picked example. It is the mathematical reality of compound interest over long periods. Time is more important than the interest rate. Time is more important than the initial amount.
Use this calculator right now: enter Rs. 50,000 at 6% for 30 years, then change it to 20 years and see what disappears from the result. That difference is the mathematical cost of waiting a decade.
One more concept every Nepali saver should understand: the distinction between the nominal interest rate and the effective annual rate (EAR). The nominal rate is what the bank advertises. "7% per annum" is a nominal rate. But if that 7% is compounded quarterly, the actual effective rate you earn is slightly higher.
The formula: EAR = (1 + r/n)n − 1
| Nominal Rate | Compounding | Effective Annual Rate (EAR) |
|---|---|---|
| 7% | Annually | 7.000% |
| 7% | Half-Yearly | 7.123% |
| 7% | Quarterly | 7.186% |
| 7% | Monthly | 7.229% |
| 7% | Daily | 7.250% |
When comparing two FD offers, always compare effective annual rates -not nominal rates. A bank offering 7% compounded monthly is offering more than a bank offering 7.1% compounded annually, even though the nominal number looks lower. This calculator shows the EAR in the quick metrics row so you can make this comparison the moment you enter any inputs.
Some Nepali banks advertise FD products with quarterly interest payouts. This means instead of compounding the interest, they credit it to your account every three months. If you withdraw that interest and spend it, you have effectively converted the compound FD into a simple interest arrangement. If you leave the credited interest in a savings account earning 2%, you are earning less than if the FD had been automatically compounding. Make this choice consciously, not by accident.
Nepal's banking system has undergone significant consolidation. Commercial banks reduced from 27 to 20 through NRB-mandated mergers. Development banks reduced from 60+ to 17. Finance companies from 30+ to 15 operational entities. This consolidation creates stronger, better-capitalised institutions -but also fewer options for rate shopping.
The Deposit and Credit Guarantee Corporation (DCGC) of Nepal provides deposit protection up to Rs. 5,00,000 per depositor per institution. This is an important detail for anyone with large savings: if you have Rs. 20,00,000 to deposit, spreading it across four banks gives you full government protection on all of it. Concentrating it in one bank leaves Rs. 15,00,000 potentially unprotected in an unlikely but not impossible banking stress scenario.
For most typical Nepali savers with deposits below Rs. 5,00,000, the DCGC guarantee covers the full amount at any NRB-licensed institution, making all covered banks effectively equal in terms of credit risk. Rate and compounding frequency become the only meaningful differentiators between institutions.
A savings account in Nepal typically pays 2% to 4% interest, credited every quarter. A fixed deposit pays 5% to 7%+, but your money is locked for the tenure you choose -typically 3 months to 5 years. Breaking a fixed deposit early usually results in a penalty, often losing a portion of the interest you would have earned.
This calculator models fixed deposit scenarios. For emergency fund planning, where liquidity matters more than return, model a savings account by entering the lower savings rate and treating the "years" as ongoing rolling tenure rather than a locked period.
A smart structure many Nepali advisors recommend: keep 3 to 6 months of living expenses in a savings account, and put longer-term savings in laddered FDs -splitting a large sum into multiple smaller FDs with staggered maturity dates (e.g., one maturing every 3 months). This gives you periodic liquidity without breaking any single deposit early and without sacrificing the higher FD rate entirely.
For salaried employees in Nepal, the most powerful compounding vehicle is not a bank FD. It is the Employee Provident Fund (EPF), Social Security Fund (SSF), or Citizen Investment Trust (CIT) -depending on your employer and scheme.
Both the employee and employer contribute to EPF automatically. The contributions compound over the employee's working career, and EPF historically pays competitive interest rates. Because contributions are deducted before tax under some schemes, the effective return is even higher than the nominal rate suggests.
A 22-year-old who starts a job with EPF deduction and stays in formal employment until 60 is quietly accumulating one of the most powerful compound interest instruments available in Nepal -with no action required beyond keeping their job. The principle is identical to what this calculator models: regular contributions over many years, compounding on the growing balance, produce outcomes that dwarf what most people expect when they first sit down to calculate it.
Everything discussed so far has been about earning compound interest as a depositor. The same mathematics work in reverse when you are a borrower. Banks in Nepal charge compound interest on home loans, car loans, personal loans, and business loans. A home loan at 11% compounded monthly grows faster than most FD savings.
This is one of the core realities of personal finance that the compound interest formula makes viscerally clear: the interest on your debt compounds just as aggressively as the interest on your savings, but in the direction that hurts you. Paying off a 13% personal loan is functionally equivalent to earning 13% on your money -which no FD in Nepal currently offers.
Use this calculator to frame debt payoff decisions: if you have Rs. 2,00,000 in a 6% FD and Rs. 2,00,000 outstanding on a 14% personal loan, enter 8% (the net drag: 14% cost minus 6% return) for 5 years and see what that difference costs you. The number that appears is a compelling reason to break the FD, pay the early withdrawal penalty, and eliminate the high-interest debt.
Nominal returns are what your bank advertises. Real returns are what you actually gain in purchasing power after accounting for inflation. Most Nepali savers ignore this distinction entirely -and it matters enormously for long-term planning.
Nepal's inflation has ranged from 4% to 8% in recent years, driven by food prices, import costs, and fuel. If your FD earns 6% and inflation runs at 7%, your real return is approximately −1%. Your account balance is higher in rupees, but what those rupees can buy is actually less.
A practical inflation-adjustment approach: if your FD rate is 6% and you estimate inflation at 5%, your real growth rate is approximately 1%. Enter 1% in this calculator and the result approximates what your money will be worth in today's purchasing power. It is sobering -but it is the correct way to evaluate long-term savings outcomes. This is one of the strongest arguments for including growth assets (NEPSE equities, real estate) alongside fixed deposits in any serious savings plan.
Nepali households typically choose between three categories: bank deposits, real estate, and the NEPSE stock market. Compound interest helps frame the comparison correctly.
Bank fixed deposits offer guaranteed returns (currently 3%–7%), full liquidity at maturity, and DCGC protection up to Rs. 5,00,000. The downside: returns may not outpace inflation during high-inflation periods, and the real return is often modest after TDS.
Real estate in Nepal has been one of the strongest performing asset classes over the past 20 years, particularly in Kathmandu Valley and major cities. Land prices in accessible areas have multiplied 5 to 10 times over two decades. However, real estate is illiquid, carries significant transaction costs including capital gains tax, and requires much larger minimum investment than FDs or stocks.
NEPSE stocks have created genuine wealth for patient, informed investors but also genuine losses for traders who treat the market as a casino. A quality stock that appreciates 12% per year compounds its value dramatically over 20 years -use this calculator with 12% to see what that looks like. But the path to that outcome is volatile and requires informed, long-term thinking that most retail investors in Nepal do not bring to the market.
For most Nepali families, the right answer is diversification: emergency fund in savings, medium-term goals in FDs, real estate if capital allows, and equity investments for long-term wealth building. This calculator handles the FD portion of that picture.
After understanding compound interest mathematically, the practical question becomes: how should a typical Nepali family actually structure their savings? Here is a framework adapted for Nepal's specific instruments and current rates.
Understanding compound interest mathematically is necessary but not sufficient. The other half of the equation is behaviour. What actually determines whether someone builds savings over a lifetime is not knowledge of formulas -it is habits.
Research in behavioural economics consistently shows that people are bad at delaying gratification for distant future rewards. Rs. 1,000 today feels worth more than Rs. 1,179 in three years (which is what Rs. 1,000 earns at 6% compounded annually). This tendency -called present bias -is one of the biggest enemies of long-term saving.
Successful savers in Nepal typically use structural solutions to overcome present bias:
Saving is a skill more than a trait. It is learned, practised, and habituated. The mathematics of compound interest gives you the reason to save. The habit gives you the means. Use this calculator not just once, but regularly -when you get a raise, when you receive a remittance, when you are deciding whether to break an FD early. Let the numbers guide the decisions.
Last updated: April 2026. Bank interest rates change frequently -always verify current rates directly with your bank or financial institution before making deposit decisions. The 5% TDS on interest income applies to individual depositors; 15% for institutions.