Interest Calculator
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Precision Financial Calculators

Switch tabs below for instant EMI, SIP, SWP, Prepayment, and Compounding projections.

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Loan Parameters

$1.0k$1.00M$2.00M
%
0.5%12.5%25%
Yr
1 Year15 Years30 Years
Monthly Loan EMI
$2,594

Payable monthly for 360 installments (30 years)

Total Interest

$534.0k

Total Amount

$934.0k

Breakdown of Total Payment

Total Payable$934.0k

Loan Balance & Payment Trajectory

Visualizing how your outstanding principal decreases each year until payoff

Year 30 Projection
Outstanding Balance:$0
Annual Payment:$31.1k
$0$98.9k$197.9k$296.8k$395.7kYr 1Yr 6Yr 11Yr 16Yr 21Yr 26Yr 30

Amortization Schedule

Detailed breakdown of principal and interest components across the loan tenure

YearOpening BalancePrincipal PaidInterest PaidTotal PaymentClosing Balance
Year 1$400,000$4,263$26,870$31,133$395,737
Year 2$395,737$4,560$26,573$31,133$391,177
Year 3$391,177$4,877$26,255$31,133$386,300
Year 4$386,300$5,217$25,916$31,133$381,083
Year 5$381,083$5,580$25,553$31,133$375,503
Year 6$375,503$5,969$25,164$31,133$369,534
Year 7$369,534$6,384$24,748$31,133$363,150
Year 8$363,150$6,829$24,304$31,133$356,321
Year 9$356,321$7,304$23,828$31,133$349,017
Year 10$349,017$7,813$23,320$31,133$341,204
Year 11$341,204$8,357$22,776$31,133$332,847
Year 12$332,847$8,939$22,194$31,133$323,908
Year 13$323,908$9,561$21,572$31,133$314,347
Year 14$314,347$10,227$20,906$31,133$304,121
Year 15$304,121$10,939$20,194$31,133$293,182
Year 16$293,182$11,701$19,432$31,133$281,481
Year 17$281,481$12,515$18,617$31,133$268,966
Year 18$268,966$13,387$17,746$31,133$255,579
Year 19$255,579$14,319$16,814$31,133$241,261
Year 20$241,261$15,316$15,817$31,133$225,945
Year 21$225,945$16,382$14,751$31,133$209,563
Year 22$209,563$17,523$13,610$31,133$192,040
Year 23$192,040$18,743$12,390$31,133$173,297
Year 24$173,297$20,048$11,085$31,133$153,249
Year 25$153,249$21,444$9,689$31,133$131,806
Year 26$131,806$22,937$8,196$31,133$108,869
Year 27$108,869$24,534$6,599$31,133$84,335
Year 28$84,335$26,242$4,891$31,133$58,093
Year 29$58,093$28,069$3,063$31,133$30,024
Year 30$30,024$30,024$1,109$31,133$0
Want mathematical formulas, amortization tables, and tax insights for EMI Calculator?Open Full EMI Calculator Guide & FAQs
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Financial Intelligence Guide

How Strategic Planning Transforms Financial Outcomes

Whether you are buying a home or setting up a retirement stream, small adjustments in rate or tenure produce massive differences.

1

Amortization & Front-Loaded Interest

In reducing balance loans, over 60% of your EMI during the initial 5 years goes strictly toward interest. Making modest extra prepayments early slashes total interest drastically.

2

The Power of Step-Up Compounding

Increasing your mutual fund SIP contributions by just 10% each year compounds rapidly, often doubling the final portfolio value compared to a static contribution.

3

Safe Retirement Withdrawals (SWP)

Unlike fixed deposits where 100% of interest is taxed at your income slab, mutual fund SWP redemptions are taxed only on the capital gains fraction, saving money on taxes.

Frequently Asked Questions

Everything you need to know about our calculators, formulas, and privacy.

What is the difference between an EMI and a SIP?▼

An EMI (Equated Monthly Installment) is a fixed monthly payment you make to a bank or lender to repay a debt (loan principal + interest). A SIP (Systematic Investment Plan) is a disciplined monthly investment you make into mutual funds or assets to build wealth over time through compounding.

How accurate are these financial calculators?▼

Interest Calculator uses standard financial mathematical algorithms (reducing balance amortization for loans and compounded periodic growth formulas for investments). While exact lender fees or tax withholdings may vary slightly by institution, our numbers provide institutional-grade accuracy.

Is any of my financial data saved or uploaded?▼

No. All calculations are executed 100% locally inside your web browser. We do not store, log, or transmit your entered amounts, interest rates, or financial information to any server.

How does the annual Step-Up SIP feature work?▼

A Step-Up SIP automatically simulates increasing your monthly investment by a chosen percentage (e.g. 10%) each year as your salary or income grows. This compounding boost can double or triple your ultimate retirement corpus compared to a flat SIP.