Interactive Trading Tool

Forex & CFD Lot Size Calculator

Calculate the exact position size in lots based on your account balance, risk tolerance percentage, and stop-loss distance in pips.

Trade Parameters

Default is $10 for USD-quoted major pairs (EUR/USD, GBP/USD).

Position Sizing Output

Recommended Lot Size 0.20 Lots
Risk Amount ($) $100.00
Micro Lots (0.01) 20 Units

Trade with low raw spreads and execution speed that preserves your stop-loss levels.

Compare Best ECN Brokers →

Top Brokers for Precise Risk Execution

Broker Name Execution Type Min Lot Size Regulation Action
Exness Instant & Market Execution 0.01 (Micro) FCA, CySEC, FSC Review
XTB Market Maker / DMA 0.01 (Micro) FCA, KNF, CySEC Review
IC Markets True ECN / Raw Spread 0.01 (Micro) ASIC, CySEC, FSA Review
eToro Market Maker / Social 0.01 (Micro) FCA, ASIC, CySEC Review
XM STP / Market Execution 0.01 (Micro) CySEC, ASIC, IFSC Review
Concept Breakdown

What is a Lot Size Calculator?

A Lot Size Calculator is an essential pre-trade risk management tool that determines the exact volume (Standard, Mini, or Micro lots) you should open on a trade. It bridges your account equity, your maximum risk percentage, and your technical stop-loss distance.

Without calculating lot sizes properly, traders often risk random amounts of capital per tradeโ€”sometimes exposing 5% or 10% of their account on a single volatile setup. This tool ensures your monetary risk remains strictly controlled.

Core Advantages

Why Position Sizing Dictates Long-Term Survival

1. Mathematical Consistency

Whether your stop loss is 20 pips or 100 pips away, a lot size calculator adjusts your volume so your dollar risk stays identical.

2. Prevents Account Blowouts

By locking risk at 1% or 2% per trade, you can endure a standard losing streak without threatening your overall account solvency.

3. Removes Emotional Guesswork

Takes the guesswork out of order execution, letting you focus entirely on chart analysis and edge execution.

Step-by-Step Guide

How to Use the Lot Size Calculator

1

Input Your Account Balance

Enter your total current trading account equity in dollars (e.g., $10,000).

2

Set Your Risk Tolerance Percentage

Define the maximum percentage of capital you are willing to lose if the trade hits your stop loss (standard is 1% or 2%).

3

Enter Stop Loss Distance & Execute

Input your technical stop-loss distance in pips. The calculator instantly generates your safe lot size and micro lot breakdown.