Enter your account size, risk percentage, and stop loss — get the exact number of contracts to trade for any major futures instrument, with full P&L math.
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FuturesSizingCalculator.com provides a free, real-time futures sizing calculator for active traders. Sizing — determining how many contracts to trade — is one of the most critical and most overlooked aspects of futures trading. Too large and a single losing trade causes outsized drawdown. Too small and gains are negligible. This tool calculates the precise contract count based on your account equity, your acceptable risk per trade, your stop loss distance, and your reward-to-risk objective.
The core sizing equation is: contracts = (account size × risk %) ÷ (stop distance in points × point value + round-trip commission per contract). A $25,000 account risking 1% ($250) with a 5-point stop on ES (point value $50, commission $2.50) yields: $250 ÷ ($250 + $2.50) = 0.99, floored to 1 contract. On MES with the same stop, the math yields: $250 ÷ ($25 + $1.06) = 9 contracts. This calculator runs that equation live for all 16 supported instruments.
Each futures instrument has a different point value, which directly affects how many contracts your account can support at a given risk level. ES ($50/point) requires significantly more capital per contract than MES ($5/point), NQ ($20/point), or GC gold ($100/point). This calculator shows the tick value, point value, and dollar risk per contract for every instrument so you understand exactly what you are risking before placing a trade.
A trader with a 50% win rate and a 2:1 reward-to-risk ratio is profitable over time — but only if sizing keeps losses small enough to survive the losing streaks. Oversizing is the primary reason funded account evaluations fail and self-funded accounts blow up. Consistent 1–2% risk per trade, applied mechanically through a sizing calculator, removes the emotional component from one of the most consequential decisions in trading.
This site focuses specifically on position sizing. For a full suite of futures trading tools including a tick value reference, P&L calculator, and drawdown calculator, visit FuturesTradingCalculators.com — our full calculator hub covering every major calculation a futures trader needs.