Investment calculator (2024)

FAQs

How do you calculate what an investment will be worth? ›

The Rule of 120 (previously known as the Rule of 100) says that subtracting your age from 120 will give you an idea of the weight percentage for equities in your portfolio.

Imagine you wish to amass $3000 monthly from your investments, amounting to $36,000 annually. If you park your funds in a savings account offering a 2% annual interest rate, you'd need to inject roughly $1.8 million into the account.

The rule suggests that you should not invest more than 5% of your portfolio in a single stock. The idea behind the rule is to minimize the risk of losing a significant portion of your portfolio in case the stock performs poorly.

Assuming an annual return rate of 7%, investing $50,000 for 20 years can lead to a substantial increase in wealth. If you invest the money in a diversified portfolio of stocks, bonds, and other securities, you could potentially earn a return of $159,411.11 after 20 years.

If you had invested $1,000 in Google stock on Aug. 19, 2004, today, you would have $60,107. Likewise, if you had invested $1,000 in an index fund replicating Nasdaq, you would have $9,000.

Suppose you're starting from scratch and have no savings. You'd need to invest around $13,000 per month to save a million dollars in five years, assuming a 7% annual rate of return and 3% inflation rate. For a rate of return of 5%, you'd need to save around $14,700 per month.

$100,000 a year is how much a month? If you make $100,000 a year, your monthly salary would be $8,333.87.

Investing as little as $200 a month can, if you do it consistently and invest wisely, turn into more than $150,000 in as soon as 20 years. If you keep contributing the same amount for another 20 years while generating the same average annual return on your investments, you could have more than $1.2 million.

Rule No.

1 is never lose money. Rule No. 2 is never forget Rule No. 1.” The Oracle of Omaha's advice stresses the importance of avoiding loss in your portfolio.

What are the golden rules of investing? ›

Before you invest, take time to do some research of your own – and never invest in a rush or in anything you don't fully understand. Some investments are professionally managed and can help you to align your long-term investment goals.

Basically, the rule says real estate investors should pay no more than 70% of a property's after-repair value (ARV) minus the cost of the repairs necessary to renovate the home. The ARV of a property is the amount a home could sell for after flippers renovate it.

FV from simple interest uses one formula, while FV derived from compound interest uses another. Let's say you put $5,000 in a savings account that pays 10% simple interest paid annually over 10 years. The FV of the $5,000 initial investment is $5,000 * [1 + (0.10 * 10)], or $5,500.

The present value formula is PV = FV/(1 + i) ⁿ where PV = present value, FV = future value, i = decimalized interest rate, and n = number of periods.