Forex lot size calculator for TradingView and web terminals. Calculate exact position sizes with spreads and commissions.
Users
57
+2 in 30 days
Rating
4.3 / 5
unchanged in 30 days
Ratings
6
0 in 30 days
Store rank
#104K
#87K among extensions
Version
1.0.6
updated 13 Aug 2026
Users
monthly, 14 months
Latest, 19 Oct 2026:57 usersMove the mouse over the chart for any month
Ratings count
monthly, 14 months
Latest, 19 Oct 2026:6 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Lot Size Calculator | dynapips
Stop guessing your risk and start trading with mathematical precision. dynapips is a Forex Lot Size Calculator Side Panel built specifically for forex daytraders. Designed to sit perfectly next to your TradingView, MetaTrader Web, cTrader Web, MatchTrader charts, dynapips ensures your position sizing accounts for the hidden costs of trading before you ever click buy or sell.
Whether you are scalping the London session or daytrading with tight stop losses, dynapips calculates your exact lot size while factoring in your broker's variable spreads and commissions, keeping your Risk-to-Reward (RR) ratio 100% accurate.
🌟 CORE TRADE CALCULATOR FEATURES:
✅ True Forex Cost Calculation: Don't just calculate risk based on pips. Input your broker's Spread (in pips) and Commission ($) to see the exact lot size required to risk your desired amount.
✅ Auto Risk-to-Reward (RR): Input your Entry, Stop Loss, and Take Profit, and watch Dynapips automatically calculate your exact RR ratio in real-time.
✅ JPY Pair Precision: Trade USDJPY or EURJPY? Toggle our settings between Standard (3 decimals) and Fractional Pips/Pipettes (5 decimals) to match your broker's exact quote format.
✅ Smart Pair Filtering: Quickly search and filter through Majors, Crosses, and Exotics. Star your favorite pairs for instant access.
✅ 1-Click Copy: Instantly copy your calculated lot size to your clipboard with a single click so you can paste it directly into your broker's execution window.
✅ Flexible Risk Inputs: Set your risk by a specific percentage (%) of your account balance and instantly see the exact dollar ($) amount at risk.
📊 TRADING JOURNAL (BETA):
Track your edge and review your setups without leaving your TradingView workspace.
✅ SMC & ICT Setup Tags: Instantly tag your journal entries with built-in Smart Money Concept tags (BOS, ChoCh, FVG, Liquidity Sweeps) or create your own custom color-coded tags.
✅ Slippage & Execution Tracking: Log your actual Exit Price to compare your planned spread and fees against your real slippage and execution costs.
✅ Trade Outcome Logging: Mark trades as Win, Loss, or Break Even to track your historical performance.
✅ CSV Export: Export your complete trade history to a CSV file for deep external analysis.
🛠️ UI & CUSTOMIZATION:
• Side Panel & Popup Modes: Keep your charts clean by using the Chrome Side Panel, or click "Open as Popup" to detach the calculator into a floating window.
• Dark & Light Mode: Seamlessly match your TradingView chart themes with our built-in Dark Mode toggle.
• Custom Panel Layouts: Adjust the interface positioning (Top, Bottom, Right) to perfectly fit your monitor setup.
🔒 Privacy First: dynapips requires no login, tracks no personal data, and stores your account balance and settings locally on your device.
(Note: Multi-account management is a planned premium feature. Join the in-app waitlist for early access!)
⭐ Love the tool? Please leave a 5-star review! It helps us keep dynapips free and funds the development of new features for the Forex community.
(Disclaimer: dynapips is an independent risk calculation tool for Forex currency pairs. It is not officially affiliated with, endorsed by, or sponsored by TradingView, MetaQuotes, or any specific broker. Trading foreign exchange on margin carries a high level of risk.)
Growth
Window
Users
Change
Ratings
Rating
7 days
−6
−9.5%
0
0.00
30 days
+2
+3.6%
0
0.00
6 months
+19
+50.0%
0
0.00
1 year
+45
+375.0%
+6
+4.33
Chrome Web Store search rankings
Where Lot Size Calculator | dynapips appears when people search the store, with the 30 day change