Welcome to The Ultimate Trading Calculator Suite. This calculator has all of the trading calculators you will ever need, just select the one you need from the dropdown menu and enter the details to perform your calculation. If you prefer to use individual calculators please use the links below the calculator suite to navigate to individual calculator pages. We are building more all the time, so if you have an idea for another calculator that you would like to help you with your trading please leave us a comment below.

Use Our Trading Calculators to Improve Your Trading Decisions

Stock market calculator

Stock Market Calculator

Project your wealth from investing in the stock market based on starting capital, returns, tax, deposits & withdrawals. The Stock Market Calculator makes it easy to set your trading goals and plan for your financial future. This trading calculator is essential for setting your trading goals!

Stock profit calculator

Stock Profit Calculator

Calculate the profit or loss you will incur from an individual stock trade based on the entry and exit assumptions as well as your chosen position size. The Stock Profit Calculator is a great ‘what if’ analysis tool for your individual trades. This is a trading calculator you will use on many of your trades.

Average down stock calculator

Average Down Stock Calculator

Calculate your average purchase price and perform scenario analysis for averaging down on stocks with our average down stock calculator. This easy trading calculator shows you your average price depending on the number of shares you buy at each price level.

Stock split calculator

Stock Split Calculator

Calculate the impact of a stock split  on position and determine the number of shares and the share price on a split adjusted basis with our stock split calculator. This trading calculator eliminates the confusion that often occurs during a stock split.

Compound interest calculator

Compound Interest Calculator

Discover our Compound Interest Calculator, designed for traders to confidently plan high level investments and project future wealth with ease including regular contributions to your account. Use this trading calculator to plan your future!

Stock average calculator

Stock Average Calculator

Calculate your stock average price quickly and easily for multiple purchases of the same stock with this easy to use stock average calculator. This trading calculator finds the average price for up to 10 purchases in the same stock.

Position size calculator

Position Size Calculator

Maximize profits & manage risk with our Position Size Calculator! Optimize trades using 3 powerful sizing models tailored to your trading style. This trading calculator is one you can use on every trade you make!

Reverse stock split calculator 1

Reverse Stock Split Calculator

Use our quick and easy Reverse Stock Split Calculator to quickly determinine your final position and number of shares from a reverse stock split. This trading calculator eliminates the confusion during a reverse stock split!

Expected return stock calculator

Expected Return Stock Calculator

Use our Expected Return Stock Calculator to find the expected profit based on outcome scenarios for the stock. This trading calculator helps you start making confident decisions by using probabilities instead of prediction.

Trading expectancy calculator

Trading Expectancy Calculator

Unlock the true potential of your trading strategy with the Trading Expectancy Calculator. Master profitability by predicting gains and losses over multiple trades. Elevate your trading game now!

Risk reward calculator

Risk Reward Calculator

The Risk-Reward Calculator helps traders quickly assess the potential profit versus the risk of a trade by calculating the risk-reward ratio based on the entry price, stop loss, and target price.

Rule of 72 calculator

Rule of 72 Calculator

Discover how to use the Rule of 72 Calculator to estimate the time needed to double your investments. Learn the formula, estimate time frames to double your investment at different interest rates. Perfect for quick investment planning!

Trading for a living calculator

Trading For A Living Calculator

Curious how much capital you need to trade for a living? Our Trading for a Living Calculator reveals the exact amount based on returns, taxes, and drawdowns. Calculate now!

Capital gain stock calculator

Capital Gain Stock Calculator

Use our capital gain stock calculator to estimate your before and after-tax profits. Quickly calculate gains based on holding periods, tax rates, and more.

Drawdown calculator

Drawdown Calculator

The Drawdown Calculator helps traders calculate the percentage and dollar losses from their portfolio’s peak value. Simply input your peak equity and lowest value after the peak to instantly determine your drawdown and better manage your risk.

Short stock profit calculator

Short Stock Profit Calculator

Use our Short Stock Profit Calculator to estimate your net profit or loss on short trades. Factor in commissions, borrow rates, and holding period for accurate results.

Frequently Asked Questions about Trading Calculator

What is a trading calculator?

A trading calculator is a tool designed to help traders make informed decisions by performing various financial calculations related to trading activities. These calculators can assist with a range of tasks, from determining position sizes to projecting future wealth. Here’s a breakdown of some common types of trading calculators and their uses:

  • Position Size Calculator: This helps you determine the optimal number of shares to buy or sell based on your risk tolerance and trading strategy. It can use different models like percent of equity, percent risk, and percent volatility to tailor the position size to your needs .
  • Stock Profit Calculator: This tool calculates the potential profit or loss from a trade based on your entry and exit prices and position size. It’s a great “what if” analysis tool for evaluating individual trades .
  • Average Down Stock Calculator: This helps calculate your average purchase price when buying additional shares of a stock at different price levels. It’s useful for scenario analysis when averaging down on stocks .
  • Compound Interest Calculator: Designed for planning high-level investments, this calculator projects future wealth, including regular contributions to your account, helping you plan for your financial future .

These calculators are essential for setting trading goals, managing risk, and optimizing trading decisions. If you’re interested in exploring these tools further, you might find them helpful in refining your trading strategies .

How much money should I put in trading?

The amount of money you should put into trading depends on several factors, including your financial situation, risk tolerance, and trading goals. Here are some guidelines to consider:

  • Start Small: If you’re new to trading, it’s wise to start with an amount that you’re comfortable losing. This ensures you can learn and make mistakes without significant financial stress. For example, in the Australian market, the minimum trade size is $500, but starting with $1,500 allows you to trade with some cash and paper trade the rest, simulating a larger account .
  • Risk Tolerance: Consider how much of your capital you’re willing to risk. A common guideline is to risk no more than 1% of your account on a single trade. This means if you have $10,000, you should risk no more than $100 per trade .
  • Portfolio Vision: Think about your long-term portfolio goals. If you have moderate initial capital, say $20,000 to $50,000, plan your portfolio with a vision of what it should look like in one to three years, considering your ability to save and potential profits .
  • Comfort Level: Ensure the amount you invest is enough to take seriously but not so much that it causes undue stress. For instance, if you have a significant amount saved, you might start with a smaller portion to learn the ropes before committing more .

Ultimately, the key is to balance your financial capacity with your trading ambitions, ensuring you can manage risk effectively while pursuing your trading goals. 

How to calculate profit when trading?

Calculating profit when trading involves a few straightforward steps. Here’s how you can do it:

  1. Entry Price: Start by noting the price at which you entered the trade. This is your stock entry price.
  2. Exit Price: Determine the price at which you exited the trade. This is your stock exit price.
  3. Number of Shares: Record the number of shares you bought or sold.
  4. Commissions: Include any commissions or fees associated with the trade. This is usually a percentage of the transaction value.
  5. Profit Calculation: Use the formula: [ \text{Profit} = (\text{Exit Price} – \text{Entry Price}) \times \text{Number of Shares} – \text{Commissions} ] This will give you the dollar amount of profit or loss based on your trade data .

For those new to calculating stock profit, using a trading calculator can simplify the process. You input your entry and exit prices, number of shares, and commission percentage, and the calculator will provide your potential profit or loss .

If you’re interested in exploring more tools to improve your trading decisions, you might want to check out various trading calculators available online .

Which math is used in trading?

In trading, mathematics plays a crucial role in understanding and optimizing trading strategies. Here are some key mathematical concepts used:

  • Expectancy Calculation: This is fundamental in trading. Expectancy is calculated using the formula: ((\text{Average Winning Trade} \times \text{Win Rate}) – (\text{Average Losing Trade} \times \text{Loss Rate})). This tells you how much you can expect to make on average per trade, which is vital for assessing the profitability of your trading system .
  • Profitability Equation: The total profits from a trading system depend on the average winning trade, the percentage of winners, the average losing trade, the percentage of losers, and the frequency of trading opportunities. This equation helps in understanding how different factors contribute to overall profitability .
  • Statistical Analysis: Traders often use statistical tools to analyze market data. This includes calculating averages, standard deviations, and using statistical tests to determine if a trading system’s performance is statistically significant .
  • Volatility Measures: Calculating volatility is essential for setting stop-loss levels and position sizing. Tools like the Average True Range (ATR) help traders understand how much a stock typically moves, which is crucial for risk management .

Understanding these mathematical principles helps traders develop robust systems and make informed decisions. 

What type of trading calculators are there?

There are several types of trading calculators designed to assist traders in making informed decisions and optimizing their strategies. Here’s a rundown of some key calculators you might find useful:

  • Position Size Calculator: This helps you determine the optimal number of shares to buy or sell based on your risk tolerance and trading strategy. It offers models like percent of equity, percent risk, and percent volatility to tailor the position size to your needs .
  • Stock Profit Calculator: This tool calculates the potential profit or loss from a trade based on your entry and exit prices and position size. It’s a great “what if” analysis tool for evaluating individual trades .
  • Average Down Stock Calculator: This helps calculate your average purchase price when buying additional shares of a stock at different price levels. It’s useful for scenario analysis when averaging down on stocks .
  • Compound Interest Calculator: Designed for planning high-level investments, this calculator projects future wealth, including regular contributions to your account, helping you plan for your financial future .
  • Trading Expectancy Calculator: This tool helps predict the profitability of your trading strategy over time by combining the probability of winning and losing with the average gain or loss from each trade .

These calculators are essential for setting trading goals, managing risk, and optimizing trading decisions. If you’re interested in exploring these tools further, you might find them helpful in refining your trading strategies .

author avatar
Adrian Reid Founder and CEO
Adrian is a full-time private trader based in Australia and also the Founder and Trading Coach at Enlightened Stock Trading, which focuses on educating and supporting traders on their journey to profitable systems trading. Following his successful adoption of systematic trading which generated him hundreds of thousands of dollars a year using just 30 minutes a day to manage his system trading workflow, Adrian made the easy decision to leave his professional work in the corporate world in 2012. Adrian trades long/short across US, Australian and international stock markets and the cryptocurrency markets. His trading systems are now fully automated and have consistently outperformed international share markets with dramatically reduced risk over the past 20+ years. Adrian focuses on building portfolios of profitable, stable and robust long term trading systems to beat market returns with high risk adjusted returns. Adrian teaches traders from all over the world how to get profitable, confident and consistent by trading systematically and backtesting their own trading systems. He helps profitable traders grow and smooth returns by implementing a portfolio of trading systems to make money from different markets and market conditions.