A 20-pip move on EUR/USD and a 20-pip move on USD/JPY are not the same amount of money, even at the same lot size. If you've ever been confused about why your risk calculation "felt off" on a particular pair, this is almost always the reason.
A pip ("percentage in point") is the standard unit of price movement in forex — for most currency pairs, it's the fourth decimal place (0.0001). Japanese yen pairs are the well-known exception: because the yen trades at a much larger nominal value per unit, pip convention for JPY pairs uses the second decimal place (0.01) instead.
The pip itself is just a way of describing a price move. The pip value — how much that move is actually worth in your account currency — depends on three things: the currency pair, your position size, and (for cross pairs not involving your account currency) the current exchange rate.
Pip Value = (Pip Size ÷ Exchange Rate) × Position Size
For pairs where your account currency is the quote (second) currency — like EUR/USD or GBP/USD for a USD account — this simplifies neatly because the pip value per standard lot works out to almost exactly $10, regardless of the current price.
Here's pip value for a standard lot (100,000 units) across a few common situations, assuming a USD account:
| Pair | Pip Size | Approx. Pip Value (1.0 lot) | Why |
|---|---|---|---|
| EUR/USD | 0.0001 | $10.00 | USD is the quote currency — value is fixed near $10 |
| GBP/USD | 0.0001 | $10.00 | Same reason — USD quoted second |
| USD/JPY | 0.01 | ≈ $6.00–$7.00 | USD is the base currency — value moves with the USD/JPY rate |
| USD/CHF | 0.0001 | ≈ $11.00–$12.50 | USD is the base currency — value moves with the USD/CHF rate |
| EUR/GBP | 0.0001 | ≈ $12.50–$13.50 | Neither currency is USD — needs conversion via GBP/USD |
The USD/JPY and EUR/GBP figures are approximate because, unlike EUR/USD, they genuinely fluctuate as exchange rates move — they are not fixed constants the way many traders assume. This is exactly why manually calculating pip value on non-USD-quoted pairs is a common source of sizing errors, and why the Pip Value Calculator pulls live rates rather than using rounded estimates.
Pip value scales directly with position size. Using EUR/USD as the reference:
This is the second half of the position sizing formula: once you know the pip value for your specific lot size, you can work backward from your dollar risk and stop-loss distance to the exact position size that matches your intended risk.
A trader risks a 30-pip stop on both a EUR/USD trade and a USD/JPY trade, using the same 0.5 lot position size on each, assuming the dollar risk is roughly equal.
EUR/USD: 30 pips × $5.00/pip (0.5 lot) = $150 at risk
USD/JPY: 30 pips × ≈$3.30/pip (0.5 lot) = ≈$99 at risk
Same "30 pips," same lot size — a roughly 50% difference in actual dollar risk. Multiply this kind of error across a full trading plan and your real portfolio risk can drift meaningfully from what you intended.
Pip value isn't just a curiosity — it's a direct input into every risk calculation you'll ever run. Get it wrong and your position sizing, your risk/reward math, and your account-level risk exposure are all quietly wrong too, even if every other part of your process is disciplined. This is one of the more common silent errors in trading, precisely because it doesn't look like a mistake — the trade still executes, the stop still gets placed, everything feels normal.
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