GBP/USD Margin Calculator
Pre-set for GBP/USD: 100,000 units per lot, 1 pip = 0.0001. Works in 23 account currencies, with the math shown.
Reference price filled in — type to use your own.
Contract specs: 1 lot = 100,000 units
Standard forex lots are 100,000 units of the base currency. Check the contract specification in your broker's platform (MT4/MT5: right-click the symbol → Specification).
EU/UK retail limit for GBP/USD: 1:30.
More options
Optional. Shows the free margin and margin level after opening this trade.
Required margin
$4,422.20
at 1:30 leverage
Position value
$132,666.00
100,000 units
Margin requirement
3.33%
of position value
Show the math
- Position value in USD
1.00 lots × 100,000 × 1.32666 = 132,666.00 USD - Required margin
$132,666.00 ÷ 30 = $4,422.20
Rates from ECB, gold-api.com, CoinGecko, FX reference 2026-10-14, checked 19:46 UTC. Use your broker's live quote to trade.
Quick answer
One lot of GBP/USD at 1.32666 is $132,666 of exposure, so it needs $4,422.22 of margin at 30:1 (the EU/UK retail limit) and $1,326.66 at 100:1.
GBPUSD margin table
| Leverage | 0.01 lots | 0.10 lots | 1.00 lots |
|---|---|---|---|
| 30:1 | $44.22 | $442.22 | $4,422.22 |
| 50:1 | $26.53 | $265.33 | $2,653.33 |
| 100:1 | $13.27 | $132.67 | $1,326.66 |
| 200:1 | $6.63 | $66.33 | $663.33 |
| 500:1 | $2.65 | $26.53 | $265.33 |
GBP/USD contract specification
| Specification | Value |
|---|---|
| Contract size | 100,000 units per lot |
| Pip size | 0.0001 |
| Value per pip, 1 lot (USD) | $10.00 |
| Value per pip, 1 lot (EUR) | €8.93 |
| Value per pip, 1 lot (GBP) | £7.54 |
| Reference price | 1.32666 |
| Exposure of 1 lot (USD) | $132,666 |
| Margin for 1 lot at 30:1 (EU/UK retail max) | $4,422.22 |
| Margin for 1 lot at 100:1 | $1,326.66 |
What to know about GBP/USD
GBP/USD ("cable") is quoted in US dollars, so a pip is worth $10 per standard lot for a USD account. It usually moves more per day than EUR/USD, so stops tend to be wider.
GBP/USD is most active during the London session and the London–New York overlap.
For other instruments, or to switch between them, use the full margin calculator.
Frequently asked questions
How much is one pip worth on GBPUSD?
One pip on GBP/USD is a 0.0001 price move. With 100,000 units per lot that is $10.00 per standard lot for a USD account, €8.93 for a EUR account and £7.54 for a GBP account.
What lot size should I use on GBPUSD?
Size the trade from the amount you are willing to lose and your stop: lots = risk ÷ (stop in pips × pip value per lot). Risking $100 with a 20-pip stop gives 0.50 lots for a USD account.
How much margin do I need for 1 lot of GBPUSD?
At a price of 1.32666, one lot is $132,666 of exposure. That needs $4,422.22 at 30:1, the maximum leverage for EU and UK retail clients on this asset, or $1,326.66 at 100:1.
Is the pip value the same at every broker?
For currency pairs the contract size is almost always 100,000 units, so the pip value only changes with your account currency and the exchange rate. Check your broker's specification if it offers non-standard lots.
Risk warning: CFDs and leveraged forex are complex instruments and come with a high risk of losing money rapidly due to leverage. 74–89% of retail investor accounts lose money when trading CFDs with the brokers listed here. Consider whether you understand how CFDs work and whether you can afford to take the high risk of losing your money. The tools and information on this page are for education and are not financial advice.
Brokers we partner with
Affiliate links. calc.forex is free and funded by affiliate commissions: if you open an account through a broker link on this site, we may be paid by the broker at no extra cost to you. This never changes the numbers our calculators produce.
| Broker | Rating | Regulators | Min deposit | EUR/USD spread | Features | Open account |
|---|---|---|---|---|---|---|
 AvaTrade Most Trusted | 4.6/5 | ASIC, CBI, FSCA, FSA, ADGM | $100 | from 0.9 pips | MT4, MT5 | Open account |
 eToro Best for Beginners | 4.5/5 | FCA, CySEC, ASIC | $50 | from 1.0 pips | Social Trading, Copy Trading | Open account |
 PrimeXBT Lowest Spreads | 4.7/5 | St. Vincent and Grenadines | $10 | from 0.1 pips | Crypto Trading, Low Spreads | Open account |
 Skilling Best Execution | 4.8/5 | CySEC, FSA | $100 | from 0.0 pips | 0.0 Spreads, Fast Execution | Open account |
- Regulators
- ASIC, CBI, FSCA, FSA, ADGM
- Min deposit
- $100
- EUR/USD
- from 0.9 pips
- Regulators
- FCA, CySEC, ASIC
- Min deposit
- $50
- EUR/USD
- from 1.0 pips
- Regulators
- St. Vincent and Grenadines
- Min deposit
- $10
- EUR/USD
- from 0.1 pips
- Regulators
- CySEC, FSA
- Min deposit
- $100
- EUR/USD
- from 0.0 pips
Risk warning: CFDs and leveraged forex are complex instruments and come with a high risk of losing money rapidly due to leverage. 74–89% of retail investor accounts lose money when trading CFDs with the brokers listed here. Consider whether you understand how CFDs work and whether you can afford to take the high risk of losing your money.