Stop calculating lot sizes by hand
Paste your trading signal, set your risk, and instantly get the optimal lot size — with real-time rate conversion.

From Telegram to MetaTrader in seconds
Paste your signal, calculate your lots, trade.
Telegram
Signal received
Forex Signals
12:45
USDJPY BUY
Entry 150.500
SL 150.000
TP1 151.000
TP2 151.500
TP3 152
Risk: $300
Signal Sizer
Auto-calculation
Based on $300

MT4 / MT5
Execution
MetaTrader
Features
Everything you need to manage your risk in a single tap.
Smart Signal Parsing
Paste any text; automatic detection of direction (BUY/SELL), pair, and format.
Manual Entry
Don't have signals? Enter your levels manually by price or pips and get your trading results.

3 Parsing Models
Complete, No Entry, No SL with auto-detection to adapt to any signal you receive.

Custom Risk Calculator
Built-in numeric keypad designed specifically for fast and precise trading.

Real-Time Market Rates
Automatic conversion with the latest quotes for always-accurate calculations.
Smart Lot Splitting
Up to 4 Take-Profits with Equal, Weighted, or Custom distribution.
Full History
Access all your past calculations to track and analyze your performance.

15 Languages
French, English, Spanish, Portuguese, Russian, Arabic, German, Chinese, Hindi, Indonesian, Italian, Polish, Czech, Filipino, Swahili.

Dark & Light Theme
Automatically adapts to your system for optimal visual comfort.

How It Works
Paste or Enter Your Signal
Copy the signal received on Telegram, WhatsApp, Discord, or email, or enter it manually.
Select the Model
The app automatically detects the format or choose from the 3 available models.
Get Your Optimal Lots
Signal Sizer instantly calculates the ideal lot for each Take-Profit.
Enter Your Risk
Enter the amount you are willing to risk on this position.
Paste or Enter Your Signal
Copy the signal received on Telegram, WhatsApp, Discord, or email, or enter it manually.
Select the Model
The app automatically detects the format or choose from the 3 available models.
Get Your Optimal Lots
Signal Sizer instantly calculates the ideal lot for each Take-Profit.
Enter Your Risk
Enter the amount you are willing to risk on this position.
Pricing
Start for free, upgrade to Premium when you're ready.
Free
- 1 full calculation every 5 hours
- 1 live exchange rate per day
- Limited parameter editing
- Local history
Premium
- Unlimited calculations
- Unlimited exchange rates
- Full editing
- Split up to 4 TPs
- Complete history
- Priority support
Prices may vary depending on your region and platform. Managed via Apple/Google in-app purchases.
From signal to lots in a snap
Get a clear overview of your gains and losses before entering the market.
Signal received (prices)

Calculated lots ($)
Ready to trade smarter?
Download Signal Sizer now and never calculate lot sizes by hand again.