Position Size Risk % Futures + Forex

Futures Position Size Calculator (ES, NQ, Gold)

Calculate your maximum contracts (futures) or lots (forex) from a simple rule: choose your account risk %, input your stop distance, and size the trade so a stop-out is a controlled loss.

Use Calculator Journal the trade in Tradevia Futures journaling guide
Tip: Futures sizing uses Points × Point Value. Forex sizing uses Pips × Pip Value.
Calculator

Size trades by risk, not emotion.

Enter balance, choose instrument, set stop distance, then select risk %. The calculator outputs a max size that keeps risk controlled.

$
PTS
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Risk Model
Set your risk % for this trade.
%
Conservative (0.5%) Aggressive (4%+)
Next: profit factor • expectancy • templates
Maximum position size

Your size, capped by risk.

If inputs are missing, size will show 0.

Result
0
Contracts
Capital at risk
$-.--
Notional value
$-.--
Journal This Trade in Tradevia
If you trade futures often, track profit factor + expectancy weekly.
How it works

The sizing formula.

The calculator uses the same institutional logic you’d do by hand-just faster.

Futures
Contracts = Risk Amount / (Stop Points × Point Value)
NQ: point value is $20 (0.25 tick = $5).
Forex
Lots = Risk Amount / (Stop Pips × Pip Value)
Switch to Forex mode to compute standard lots (and adjust risk if you use minis/micros).

Futures Position Size Calculator Formula

If you want to size trades manually, here are the exact formulas (plus a worked example).

How to calculate contracts

Futures sizing is based on your risk amount, your stop distance in points, and the instrument’s point value.

Contracts = Risk Amount / (Stop Loss Points × Point Value)

Example: Risk $500 on NQ (Point Value $20) with a 20-point stop:
500 / (20 × 20) = 1.25 → round down to 1 contract.

Forex lot size logic

Forex sizing uses pips and an estimated pip value per standard lot for the pair.

Lots = Risk Amount / (Stop Pips × Pip Value)

Use the mode toggle to calculate standard lots for pairs like EURUSD and GBPUSD. If you trade minis/micros, reduce the lot size proportionally.

Why risk management matters

The difference between a hobbyist and a professional trader is controlled risk. This calculator helps you prevent one trade on ES, NQ, or Gold from doing outsized damage.

Next step: log your trades and review performance with profit factor and expectancy (not just win rate).