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Compound Interest Calculator Online for Free

Project the future value of your savings and investments with ToolMint's compound interest calculator. Choose your compounding frequency, compare simple versus compound growth, and review yearly schedules to understand how returns build over time.

Investment Details

Total Value
Rs1,81,669.67
Total Interest
Rs81,669.67
Interest Earned vs Simple
+Rs21,669.67
SI = Rs60,000

Value Breakdown

55%
45%
Principal:Rs1,00,000
Interest:Rs81,669.67

Year-by-Year Growth

Y1
Rs1,12,682.5
Y2
Rs1,26,973.46
Y3
Rs1,43,076.88
Y4
Rs1,61,222.61
Y5
Rs1,81,669.67

Yearly Schedule

5 years
YearOpening BalanceInterest EarnedClosing Balance
1Rs1,00,000Rs12,682.5Rs1,12,682.5
2Rs1,12,682.5Rs14,290.96Rs1,26,973.46
3Rs1,26,973.46Rs16,103.41Rs1,43,076.88
4Rs1,43,076.88Rs18,145.73Rs1,61,222.61
5Rs1,61,222.61Rs20,447.06Rs1,81,669.67

Compound Interest Formula

A = P ร— (1 + r/n)nร—t
P = Principal ยท r = Annual Rate (decimal) ยท n = Compounding Frequency ยท t = Time (years)
CI = A โˆ’ P

Included Investment Calculators

Compound Growth Calculator

Project final value and total interest earned over time.

Simple vs Compound Comparison

Compare how compound returns outperform simple interest over the same period.

Compounding Frequency Modes

Switch between annual, semi-annual, quarterly, monthly, and daily compounding.

Yearly Growth Schedule

Review a year-by-year breakdown of balance growth and interest accumulation.

How to Calculate Compound Interest Online

1

Enter principal

Start with the initial amount you want to invest or save.

2

Add rate and time

Enter the annual interest rate and investment duration.

3

Choose compounding

Select monthly, quarterly, half-yearly, yearly, or daily compounding.

4

Review growth

See final value, total interest earned, and year-by-year growth projections.

Frequently Asked Questions

What is compound interest?
Compound interest means you earn interest on both your original principal and the interest that has already accumulated over time.
Can I compare simple and compound interest?
Yes. The calculator helps you see how compound growth differs from simple interest over the same time period.
Which compounding frequencies are supported?
It supports daily, monthly, quarterly, semi-annual, and annual compounding frequencies.
Does it include a yearly schedule?
Yes. You can view year-by-year growth projections to understand how your balance and interest build over time.
Is this compound interest calculator free?
Yes. It is free to use in your browser with no signup required.

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