Lot Size Calculator - CalcFy

by Calcfy · calcfy.cc · Tools

Established publisherManifest V3 Free

View in Chrome Web Store Data as of 21 Oct 2026

Forex, Metals, Crypto & Indices margin calculator with live prices. By CalcFy.cc

Users

−3 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#181K

#151K among extensions

Version

3.0.0

updated 28 May 2026

Users

monthly, 8 months

Latest, 21 Oct 2026: 13 usersMove the mouse over the chart for any month

Ratings count

monthly, 8 months

Latest, 21 Oct 2026: 2 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 - CalcFy

Lot Size & Margin Calculator by CalcFy — the fastest way to calculate your forex position size and required margin right from your browser toolbar. Whether you trade Forex, Gold (XAU/USD), US30, or Crypto — enter your account balance, leverage, lot size, and instrument to get your margin requirement instantly. Live exchange rates fetched automatically. 🔹 FEATURES: - Instant lot size & margin calculation - Live exchange rate data (auto-fetched) - Supports Forex, XAU/USD (Gold), US30 (Indices), BTC/USD - Leverage selector (1:2 to 1:100) - Works directly from browser toolbar — 1 click access - Clean, minimal interface 🔹 HOW IT WORKS: 1. Click the CalcFy icon in your toolbar 2. Enter your account balance, leverage & lot size 3. Select your instrument 4. Get margin requirement instantly with live rates 🔹 WHY CALCFY: CalcFy.cc is a free online calculator platform trusted by traders, students, and finance professionals. This extension brings our most-used trading tool directly to your browser. For more free calculators — EMI, SIP, BMI, GST, Compound Interest, and 40+ more — visit calcfy.cc Made with ❤️ by CalcFy | calcfy.cc