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Seven calculators that answer the questions every trader has to answer before clicking buy or sell: what is a pip worth, how big should this position be, what happens if I am right, what happens if I am wrong, and how much of my account does this trade tie up?
Almost every retail account that blows up does so for the same unglamorous reason: the position was too big for the stop loss. Not a bad signal, not a bad indicator setting — a sizing error. A trader who is right 55% of the time will still go broke risking a quarter of the account on each idea, and a trader who is right 40% of the time can grind out a return if every loss costs the same small, survivable amount. Calculators are how you turn that intention into an actual lot size.
The chain of reasoning is always the same, and each of the tools on this page is one link in it. You start with what a pip is worth on the instrument you are trading, because that number varies enormously: one pip on a standard lot of EUR/USD is $10, one pip on a standard lot of USD/JPY is roughly $6.45 once you convert yen back to dollars, and one “pip” on a 100-ounce gold contract is $1. Get that number wrong and every risk calculation downstream of it is wrong too.
From the pip value you get position size: your account balance, the percentage you are prepared to lose, and the distance to your stop are the only three inputs you need. From position size you get margin: the slice of your balance the broker freezes while the trade is open, and by extension how many positions you can run at once before a margin call becomes a real possibility. And from entry and exit prices you get the profit and loss figure — the number that tells you whether the reward on offer actually justifies the risk you are about to take.
Three things change the output of every calculator on this site. The first is pip size. Most currency pairs are quoted to four or five decimal places and a pip is 0.0001. Yen-quoted pairs are quoted to two or three decimals and a pip is 0.01. Metals, indices and crypto follow their own conventions entirely — our gold contract is 100 troy ounces with a 0.01 pip, silver is 5,000 ounces with a 0.001 pip. Every calculator here reads the pip size and contract size from the instrument you pick, so you never have to remember which is which.
The second is contract size. A standard lot is 100,000 units of the base currency, a mini lot is 10,000, a micro lot is 1,000 and a nano lot is 100. Brokers who advertise “0.01 lot minimum” are offering micro lots, which is what makes small accounts viable at all: on a $500 balance risking 1%, a micro lot with a 50-pip stop risks about $5, which is the right order of magnitude.
The third is your account currency. If you hold a euro-denominated account and trade GBP/JPY, the profit arrives in yen and has to be converted twice before it lands in your balance. Our calculators do that conversion through the US dollar, which is exactly how a broker's back office prices a cross it does not quote directly. Select your real account currency and the results will match your platform far more closely than a dollar-only calculator ever will.
A practical pre-trade routine takes about ninety seconds. Mark the level you would be wrong at and measure the stop distance in pips. Drop that into the position size calculator along with your balance and your fixed risk percentage — pick a number between 0.5% and 2% and never change it mid-week. Take the lot size it gives you into the margin calculator to confirm the trade will not swallow your free margin. Finally, run your target through the profit calculator: if the reward is not at least one and a half times the risk, the setup is not worth taking.
For the levels themselves, the pivot point calculator and Fibonacci calculator give you objective, arithmetic reference prices rather than lines you drew by eye. They are most useful where they overlap: a Fibonacci 61.8% retracement sitting a couple of pips from a classic S1 is a far more interesting place to look for a reaction than either level alone.
PipDig is an educational demonstration site. Every price behind these calculators comes from a frozen table of 41 instruments — a snapshot dated 2026-08-01 — not from a live market feed. The maths is real and the formulas are the ones your broker uses; the prices are illustrative. When you size a live trade, use your platform's current quote.
These calculators also work in gross terms. They do not deduct the spread you pay on entry, the commission on a raw-spread account, or the overnight swap on a position held past the rollover. On a scalping strategy those costs can easily exceed the profit shown here, so treat every result as the best case and subtract your real trading costs before deciding whether an idea is worth taking.