Investing
Compound Interest Calculator
Project savings growth with monthly deposits and any compounding frequency.
Investing & business calculators
Six calculators for growing money and pricing work: compound growth, retirement projections, return on investment, crypto trade results, advertising revenue and freelance rates.
Investing & Business tools
Investing
Retirement Savings Calculator
Estimate your retirement balance in future and today’s money.
Investing
ROI Calculator
Simple and annualized return on investment for any holding period.
Investing
Crypto Profit/Loss Calculator
Profit, percentage gain and break-even price after trading fees.
Investing
CPM & Ad Revenue Calculator
Solve for CPM, RPM, impressions or revenue in any direction.
Investing
Freelance Hourly Rate Calculator
Work out the hourly rate that covers income goals, tax and time off.
Pick the right tool for the question
- “How much will my savings grow?” Use the compound interest calculator to model regular deposits at any compounding frequency.
- “Will I have enough to retire?” The retirement savings calculator projects your balance and converts it into today’s money so inflation does not flatter the result.
- “Was that investment worth it?” The ROI calculator gives both total and annualized return, so a two-year gain and a ten-year gain can be compared fairly.
- “What did I make on that trade?” The crypto profit calculator includes buy and sell fees and shows your break-even price.
- Running a website or a business? The CPM calculator links ad rates to revenue, and the freelance rate calculator turns an income goal into an hourly price.
The assumption that matters most
Every projection here depends on a rate you choose: a savings rate, a market return or an inflation rate. Small changes compound. Over 30 years, a lump sum growing at 7% a year ends about 76% larger than the same sum growing at 5%. Try a cautious, a middle and an optimistic rate, and plan around the cautious one.
Nominal versus real returns
A balance that grows 6% a year while prices rise 3% a year only gains about 3% in buying power. The retirement calculator shows both numbers for that reason. When you compare an investment with a savings account, compare like with like: both before inflation, or both after.
Frequently asked questions
There is no single right answer. Many planners test a range, such as 4%, 6% and 8% a year for a diversified stock-heavy portfolio before inflation, and lower rates for cash or bonds. Using several rates shows how sensitive your plan is.
Not as a separate field in most tools. To account for a fund’s annual fee, subtract it from your expected return, for example 7% minus a 0.5% fee gives 6.5%.
Only where you enter a tax rate yourself, as in the crypto and freelance tools. Tax treatment depends on the account type, such as a 401(k), ISA or TFSA, and on where you live.