Forex Profit Calculator
Quickly compute forex profit with accurate formulas. See amortization schedules, growth projections, and side-by-side comparisons.
Calculator
Adjust values & calculateTrade Details — EUR/USD
Formula
For buy trades, subtract entry from exit to get the price difference. For sell trades, subtract exit from entry. Divide by pip size to get pips moved. Multiply pips by pip value per pip for your position size to get dollar profit or loss. A positive result means profit; negative means loss.
Last reviewed: December 2025
Worked Examples
Example 1: Buy EUR/USD Standard Lot
Example 2: Sell GBP/USD with Loss
Background & Theory
The Forex Profit Calculator applies the following established principles and formulas. Foreign exchange markets facilitate the conversion of one currency into another and serve as the largest and most liquid financial markets in the world, with daily turnover exceeding seven trillion US dollars. Exchange rates are quoted as currency pairs, expressing the price of one unit of a base currency in terms of a quote currency. For example, a EUR/USD rate of 1.0850 means one euro buys 1.0850 US dollars. The smallest standardized price movement in most pairs is the pip, typically the fourth decimal place, with a value of 0.0001 per unit for USD-denominated pairs. The bid price is the rate at which a dealer will buy the base currency, while the ask price is the rate at which it will sell. The spread between bid and ask represents the dealer's compensation and varies with liquidity and volatility. Leverage amplifies both gains and losses by allowing traders to control positions larger than their deposited margin. A 100:1 leverage ratio means a one-percent adverse move eliminates the entire margin, making position sizing and risk management critical. Two parity conditions from international economics anchor exchange rate theory. Purchasing Power Parity (PPP) holds that exchange rates should adjust over time so that identical goods trade at equivalent prices across countries: S = P_d / P_f, where S is the spot rate and P_d and P_f are domestic and foreign price levels. PPP performs well over long horizons but poorly in the short run due to trade barriers, non-tradable goods, and capital flows. Covered Interest Rate Parity (CIRP) is a near-arbitrage condition stating that forward exchange rate premiums or discounts exactly offset interest rate differentials between two currencies: F/S = (1 + r_d) / (1 + r_f). Deviations from CIRP create riskless arbitrage opportunities that traders rapidly eliminate. Uncovered Interest Rate Parity posits that high-yielding currencies should depreciate to offset their interest advantage, though empirical evidence is mixed and the carry trade — borrowing in low-rate currencies to invest in high-rate ones — has generated persistent returns.
History
The history behind the Forex Profit Calculator traces back through the following developments. For much of the nineteenth century and early twentieth century, the international monetary system operated under the classical gold standard, under which each participating currency was fixed to a defined weight of gold, making bilateral exchange rates effectively constant. The system provided price stability and facilitated global trade but constrained governments' ability to respond to economic downturns. World War One shattered the gold standard as nations suspended convertibility to finance wartime expenditures. The interwar period saw attempts to restore gold convertibility, most notably the British return to the gold standard in 1925 at the pre-war parity, a decision criticized by John Maynard Keynes as deflationary. The Great Depression forced widespread currency devaluations and the effective collapse of the international gold standard by the early 1930s. The Bretton Woods Conference of July 1944 established a new order in which member currencies were pegged to the US dollar, while the dollar alone was convertible into gold at 35 dollars per troy ounce. The International Monetary Fund and World Bank were created at the same conference to oversee the system. Bretton Woods delivered exchange rate stability during the postwar growth era but came under strain as US deficits and European dollar accumulation outpaced American gold reserves. On August 15, 1971, President Nixon announced the suspension of dollar-gold convertibility — the so-called Nixon Shock — effectively ending the Bretton Woods system. By 1973, major currencies had transitioned to floating exchange rates determined by market supply and demand, a regime that has persisted. On September 16, 1992, hedge fund manager George Soros shorted the British pound against the European Exchange Rate Mechanism constraints, forcing the UK's withdrawal in what became known as Black Wednesday. Electronic trading platforms emerged in the 1990s and 2000s, replacing voice-brokered interbank markets and dramatically reducing transaction costs for institutional and retail participants alike.
Frequently Asked Questions
Formula
Profit/Loss = (Entry − Exit or Exit − Entry) / Pip Size × Pip Value × Lot Size
For buy trades, subtract entry from exit to get the price difference. For sell trades, subtract exit from entry. Divide by pip size to get pips moved. Multiply pips by pip value per pip for your position size to get dollar profit or loss. A positive result means profit; negative means loss.
Worked Examples
Example 1: Buy EUR/USD Standard Lot
Problem: Buy 1 standard lot EUR/USD at 1.0850, close at 1.0920. Calculate profit.
Solution: Pips = (1.0920 - 1.0850) / 0.0001 = 70 pips\nPip value = 0.0001 × 100,000 = $10 per pip\nProfit = 70 × $10 = $700
Result: 70 pips gained | Profit: $700
Example 2: Sell GBP/USD with Loss
Problem: Sell 0.5 lots GBP/USD at 1.2650, close at 1.2700. Calculate loss.
Solution: Pips = (1.2650 - 1.2700) / 0.0001 = -50 pips (loss)\nPip value = 0.0001 × 50,000 = $5 per pip\nLoss = 50 × $5 = $250
Result: -50 pips | Loss: $250
Frequently Asked Questions
How do I calculate forex profit or loss?
Forex profit or loss is calculated by determining the pip difference between your entry and exit prices, then multiplying by the pip value for your position size. For a buy trade, subtract entry from exit; for a sell trade, subtract exit from entry. The pip value depends on your lot size and the currency pair. For USD-quoted pairs with a standard lot (100,000 units), one pip equals $10. So if you buy EUR/USD at 1.0850 and sell at 1.0920, that is 70 pips profit times $10 = $700. Remember to subtract spread costs for accurate net profit calculation.
What is the difference between realized and unrealized profit in forex?
Unrealized profit (or floating profit) is the current gain or loss on an open position that has not yet been closed. It fluctuates in real-time as the market price changes. Realized profit is the actual gain or loss locked in when you close a trade. Only realized profits and losses affect your account balance. For example, if you buy EUR/USD at 1.0850 and the current price is 1.0900, you have an unrealized profit of 50 pips. This becomes realized only when you close the trade. Many traders make the mistake of treating unrealized profits as guaranteed, leading to poor risk management decisions.
How do spreads affect my forex profit calculations?
Spreads reduce your effective profit on every trade because you buy at the ask price (higher) and sell at the bid price (lower). For a buy trade, your entry is at the ask price but your exit is at the bid price, so you immediately start with a negative pip count equal to the spread. For EUR/USD with a 1.5-pip spread, a 50-pip gross profit becomes 48.5 pips net profit. For scalpers targeting 5-10 pips, a 2-pip spread consumes 20-40% of their target, making spread costs critical. Always factor spreads into your profit calculations, especially for high-frequency strategies.
Can I lose more money than I have in my forex account?
With most regulated brokers, negative balance protection prevents you from losing more than your deposited amount. However, this was not always the case and some offshore brokers still allow negative balances. During extreme market events like the 2015 Swiss Franc crisis, many traders experienced account balances going deeply negative because stop losses could not execute during the rapid price movement. Leverage amplifies both profits and losses — with 1:100 leverage, a 1% adverse move wipes out your entire margin. Always use stop losses, appropriate leverage, and trade with regulated brokers that offer negative balance protection.
What are the different lot sizes in forex and how do they affect risk?
A standard lot is 100,000 units, a mini lot is 10,000, a micro lot is 1,000, and a nano lot is 100 units of the base currency. Smaller lots reduce your dollar-per-pip exposure, making them suitable for beginners or smaller accounts.
How does leverage work in forex trading?
Leverage lets you control a larger position with a smaller deposit (margin). At 100:1 leverage you control $100,000 with $1,000 margin. While leverage amplifies profits, it equally amplifies losses and can lead to margin calls if the market moves against you.
References
Reviewed by Daniel Agrici, Founder & Lead Developer · Editorial policy