Lot Size Calculator

Seamlessly calculate forex lot sizes in TradingView. Automate trading with instant, accurate position sizing for forex pairs.

As of June 2026, Lot Size Calculator has 2,000 users and a 4.34/5 rating from 32 reviews in the Workflow & Planning category.

Usersno change0%
2.0K
2,000
Ratingup 0.5 percent+0.5%
4.34
32 reviews
Reviewsup 3.2 percent+3.2%
32
Version
3.5.5
Manifest V3
90-day change · In the last 90 days this extension 4 version updates, changed permissions.

History

5 snapshots

Tracking since Apr 4, 2026.

2.0K2.0K2.0KApr 4, 2026Jun 14, 2026
View as table
DateUsersRatingReviewsVersion
Apr 4, 20262.0K4.32313.4.1
Apr 11, 20262.0K4.32313.5.0
Apr 19, 20262.0K4.34323.5.2
Apr 24, 20262.0K4.34323.5.4
Apr 29, 20262.0K4.34323.5.4
Now2.0K4.34323.5.5

Changelog

  • Apr 4, 2026
    description
    Effective risk management is essential for successful forex trading, and having a solid strategy in place from the outset is crucial. The Forex Lot Size Calculator extension for TradingView is designed to help traders easily implement risk management practices into their trading plans.
    
    With this extension, you can quickly calculate the appropriate lot size or position size based on your trading plan, all within the TradingView platform. This means you can save time and avoid the hassle of switching between applications or copying and pasting currency pair values.
    
    By using the TradingView position tool to visually mark up your trade and specifying your account balance and risk in the Inputs tab, you can easily determine your lot size for both standard and mini lot size accounts.
    
    Not only does this extension help you streamline your trading plan in one convenient location, but it also enables you to make informed decisions that mitigate risk and maximize potential profits.
    
    Read more at: https://www.tradeprober.com/lot-size-calculator
    
    Key Features:
    
    ✓ Quickly calculate lot size/position size based on your trading plan
    ✓ Save time and avoid switching between applications
    ✓ Use the TradingView position tool to visually mark up your trade
    ✓ Calculate lot size for both standard and mini lot size accounts
    ✓ Specify your account balance and risk in the Inputs tab to make informed decisions that mitigate risk and maximize potential profits
    
    Take control of your forex trading and implement effective risk management practices with the Forex Lot Size Calculator for TradingView.
    
    Free Pairs: 
    
    EURUSD
    GBPNZD
    CHFJPY
    AUDCHF
    NAS
    SP500
    EU
    NQ1!
    DE40
    NDX
    EURNOK
    EURSEK
    GBPNOK
    GBPSEK
    NZDCAD
    JPN225
    HKG33
    INDIA50
    CHN50
    US2000
    SUIUSDT
    FETUSDT
    HBARUSDT
    WIFUSDT
    USDMXN
    USDZAR
    AUS200
    ESP35
    ITA40
    NQZ2024
    USDTRY
    USDSGD
    USDHKD
    GBPSGD
    EURDKK
    EURSGD
    USDHUF
    USDCZK
    USDILS
    USDPLN
    USDRUB
    USDCLP
    USDINR
    USDTHB
    USDKRW
    A1ZNDQ
    XVGUSDT.P
    GMC
    SOM
    SOMEC
    SOMERO
    SOMNOMED
    
    Usage:
    
    To use the lot size calculator, select your trading account currency within the app settings (See app photos for examples). 
    
    Return to tradingview and use the long or short position tool to markup your trade with your stop loss position define. Double click on the long or short position and display its property. Ensure you are under the Inputs tab. In this tab you can specify your: 
    ✓ Account size (Account balance)
    ✓ Risk (This can be % or an exact amount based on your account currency). 
    
    You can now select Calculate button at the top of the window to display your lot size for a standard and Mini lot size account. 
    
    To save you account balance and Risk for future usage, select OK from the position window.
    Effective risk management is essential for successful forex trading, and having a solid strategy in place from the outset is crucial. The Forex Lot Size Calculator extension for TradingView is designed to help traders easily implement risk management practices into their trading plans.
    
    With this extension, you can quickly calculate the appropriate lot size or position size based on your trading plan, all within the TradingView platform. This means you can save time and avoid the hassle of switching between applications or copying and pasting currency pair values.
    
    By using the TradingView position tool to visually mark up your trade and specifying your account balance and risk in the Inputs tab, you can easily determine your lot size for both standard and mini lot size accounts.
    
    Not only does this extension help you streamline your trading plan in one convenient location, but it also enables you to make informed decisions that mitigate risk and maximize potential profits.
    
    Read more at: https://www.tradeprober.com/lot-size-calculator
    
    Key Features:
    
    ✓ Quickly calculate lot size/position size based on your trading plan
    ✓ Save time and avoid switching between applications
    ✓ Use the TradingView position tool to visually mark up your trade
    ✓ Calculate lot size for both standard and mini lot size accounts
    ✓ Specify your account balance and risk in the Inputs tab to make informed decisions that mitigate risk and maximize potential profits
    
    Take control of your forex trading and implement effective risk management practices with the Forex Lot Size Calculator for TradingView.
    
    Free Pairs: 
    
    EURUSD, GBPNZD, CHFJPY, AUDCHF, NAS, SP500, EU, NQ1!, DE40, NDX
    EURNOK, EURSEK, GBPNOK, GBPSEK, NZDCAD, JPN225, HKG33, INDIA50, CHN50, US2000
    SUIUSDT, FETUSDT, HBARUSDT, WIFUSDT, USDMXN, USDZAR, AUS200, ESP35, ITA40, NQZ2024
    USDTRY, USDSGD, USDHKD, GBPSGD, EURDKK, EURSGD, USDHUF, USDCZK, USDILS, USDPLN
    USDRUB, USDCLP, USDINR, USDTHB, USDKRW, A1ZNDQ, XVGUSDT.P, GMC, SOM, SOMEC
    SOMERO, SOMNOMED
    
    Usage:
    
    To use the lot size calculator, select your trading account currency within the app settings (See app photos for examples). 
    
    Return to tradingview and use the long or short position tool to markup your trade with your stop loss position define. Double click on the long or short position and display its property. Ensure you are under the Inputs tab. In this tab you can specify your: 
    ✓ Account size (Account balance)
    ✓ Risk (This can be % or an exact amount based on your account currency). 
    
    You can now select Calculate button at the top of the window to display your lot size for a standard and Mini lot size account. 
    
    To save you account balance and Risk for future usage, select OK from the position window.
  • Apr 4, 2026
    host_permissions
    *://v6.exchangerate-api.com/*, *://*.tradingview.com/*, *://*.tradeprober.com/*, *://api.coingate.com/*, *://raw.githubusercontent.com/*
    *://v6.exchangerate-api.com/*, *://*.tradingview.com/*, *://*.tradeprober.com/*, *://app.tradeprober.com/*, *://api.coingate.com/*, *://raw.githubusercontent.com/*
  • Apr 4, 2026
    permissions
    activeTab, storage
    activeTab, storage, scripting

Permissions & access

Permissions
activeTabstoragescripting
Host access
*://v6.exchangerate-api.com/*, *://*.tradingview.com/*, *://*.tradeprober.com/*, *://app.tradeprober.com/*, *://api.coingate.com/*, *://raw.githubusercontent.com/*

Screenshots

Lot Size Calculator screenshot 1Lot Size Calculator screenshot 2Lot Size Calculator screenshot 3Lot Size Calculator screenshot 4Lot Size Calculator screenshot 5

About

Effective risk management is essential for successful forex trading, and having a solid strategy in place from the outset is crucial. The Forex Lot Size Calculator extension for TradingView is designed to help traders easily implement risk management practices into their trading plans.

With this extension, you can quickly calculate the appropriate lot size or position size based on your trading plan, all within the TradingView platform. This means you can save time and avoid the hassle of switching between applications or copying and pasting currency pair values.

By using the TradingView position tool to visually mark up your trade and specifying your account balance and risk in the Inputs tab, you can easily determine your lot size for both standard and mini lot size accounts.

Not only does this extension help you streamline your trading plan in one convenient location, but it also enables you to make informed decisions that mitigate risk and maximize potential profits.

Read more at: https://www.tradeprober.com/lot-size-calculator

Key Features:

✓ Quickly calculate lot size/position size based on your trading plan
✓ Save time and avoid switching between applications
✓ Use the TradingView position tool to visually mark up your trade
✓ Calculate lot size for both standard and mini lot size accounts
✓ Specify your account balance and risk in the Inputs tab to make informed decisions that mitigate risk and maximize potential profits

Take control of your forex trading and implement effective risk management practices with the Forex Lot Size Calculator for TradingView.

Free Pairs: 

EURUSD, GBPNZD, CHFJPY, AUDCHF, NAS, SP500, EU, NQ1!, DE40, NDX
EURNOK, EURSEK, GBPNOK, GBPSEK, NZDCAD, JPN225, HKG33, INDIA50, CHN50, US2000
SUIUSDT, FETUSDT, HBARUSDT, WIFUSDT, USDMXN, USDZAR, AUS200, ESP35, ITA40, NQZ2024
USDTRY, USDSGD, USDHKD, GBPSGD, EURDKK, EURSGD, USDHUF, USDCZK, USDILS, USDPLN
USDRUB, USDCLP, USDINR, USDTHB, USDKRW, A1ZNDQ, XVGUSDT.P, GMC, SOM, SOMEC
SOMERO, SOMNOMED

Usage:

To use the lot size calculator, select your trading account currency within the app settings (See app photos for examples). 

Return to tradingview and use the long or short position tool to markup your trade with your stop loss position define. Double click on the long or short position and display its property. Ensure you are under the Inputs tab. In this tab you can specify your: 
✓ Account size (Account balance)
✓ Risk (This can be % or an exact amount based on your account currency). 

You can now select Calculate button at the top of the window to display your lot size for a standard and Mini lot size account. 

To save you account balance and Risk for future usage, select OK from the position window.

Technical

Version
3.5.5
Manifest
V3
Size
133KiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
nfmkfpoaomgnnomijeolbkjffdildobk
Developer ID
u984713689fd57be7d646b7338df7b45a
Developer Email
[email protected]
Created
Oct 20, 2022
Last Updated (Store)
Apr 28, 2026
Last Scraped
Jun 14, 2026
Website
tradeprober.com

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Data sourced from the Chrome Web Store · last verified Jun 14, 2026.