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Free Trading Calculators

Every trade needs a few numbers before you click buy: where the stop goes, how big the position should be (in shares or futures contracts), what a move on a futures contract pays in dollars, what an add to a losing position does to your average cost and your risk, where the Fibonacci levels of the swing you picked sit, where the prior session's pivot points land, what your risk:reward is and the win rate it has to beat, how much your win rate and payoff say to risk, what your record makes per trade after costs, the gain a drawdown takes to win back, and on a funded account, how much drawdown room you have left and whether your best day is too big a share of your profit for the consistency rule. These calculators work them out in your browser. No signup, no chart upload, no AI. There's also a 12-question day trading quiz to check your risk math and chart reading.

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The calculators

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The quiz

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How they fit together

Size it, check the bar, then grade the setup

  1. 1

    Size the trade

    Start from your stop. The stop loss calculator turns a percent, a dollar loss or an ATR multiple into a stop price. The position size calculators then turn your risk into a share count, or a contract count using the real futures point value, so a loss costs what you planned and not a dollar more. The futures profit calculator turns a move on any of those contracts into ticks, points and dollars, net of the commission you type. The Kelly calculator shows what your win rate and payoff say that risk could be, and on a prop firm account, the drawdown calculator tells you what it should be. The consistency calculator then checks your best day's share of your total profit against your firm's limit, and shows the total you need when one day is too big. Already in a drawdown? The recovery calculator shows the gain it takes to get back to the peak. Thinking about adding to a trade that went against you? The average down calculator shows the new average, the climb back to even, and what each further drop costs after the add.

  2. 2

    Check the ratio and the win rate it needs

    Planning an entry on a pullback? The Fibonacci retracement calculator turns the swing high and low you picked into the 23.6% to 78.6% levels and the 127.2% and 161.8% extensions. Trading off the prior session's levels? The pivot point calculator turns its high, low and close into the Standard, Woodie, Camarilla, Fibonacci or DeMark pivot and its support and resistance. Your entry, stop, and target set a risk:reward. The risk reward calculator turns those prices into 1 : X for a long or a short, and the breakeven calculator shows the minimum win rate that ratio needs. The expectancy calculator turns your win rate and average win and loss into what the average trade makes after costs, in dollars and in R.

  3. 3

    Grade the setup itself

    None of these calculators knows if the chart is any good. That part is a read of structure and confluence, which is what SnapPChart grades from a screenshot, A+ to F, with an entry, stop, and targets.

The math is done. Is the setup worth taking?

Upload a chart screenshot and SnapPChart grades the setup quality in seconds, with the levels you would plug straight into these calculators.

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These calculators are for planning purposes only and are not financial advice. They compute results from the numbers you enter and do not know your broker's fees, slippage, margin requirements, or your other open positions. Trading involves risk of loss.