SizeRight: Futures Calculator

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Everyone
10+
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Content rating
Everyone
In-App Purchases
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About this app

Know exactly how many contracts to trade before every single entry.

SizeRight is a clean, fast position size calculator built specifically for futures traders. Enter your account size, risk percentage, and stop distance in ticks — get your exact contract count instantly.

No fluff. No login. No subscription required.

── FREE INSTRUMENTS ──
All micro contracts included free forever:
- MNQ — Micro Nasdaq-100
- MES — Micro E-mini S&P 500
- M2K — Micro Russell 2000
- MGC — Micro Gold
- MCL — Micro Crude Oil
- MYM — Micro Dow Jones
- MBT — Micro Bitcoin
- MSI — Micro Silver

Perfect for funded account challenges (FTMO, TopStep, Apex) and traders building consistent risk habits.

── PRO INSTRUMENTS — $9 one-time ──
Unlock 20 full-size and specialist contracts:
- NQ, ES, RTY, GC, CL — full-size flagship contracts
- YM (Dow), BTC (Bitcoin), SI (Silver)
- 6E (Euro FX), 6B (British Pound), 6J (Japanese Yen)
- ZB, ZN, ZF — full US Treasury curve
- HG (Copper), NG (Natural Gas)
- ZC (Corn), ZW (Wheat), ZS (Soybeans), PA (Palladium)

One-time payment. No subscription ever. Activates instantly.

── HOW IT WORKS ──
The calculator uses the industry-standard position sizing formula:

Dollar risk = Account size × Risk %
Stop cost = Ticks × Tick value
Contracts = Dollar risk ÷ Stop cost (rounded down)

All tick values use official CME Group contract specifications.

── BUILT FOR ──
- Funded account traders (FTMO, TopStep, Apex, MyFundedFutures)
- Day traders on NQ, ES, MNQ, MES
- Traders managing strict risk per trade
- Anyone learning proper futures position sizing

⚠ Risk warning: Futures trading carries a high level of risk. This app is a position sizing tool only and does not constitute financial advice. Always verify contract specifications with your broker.
Updated on
Jun 25, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
App activity and Device or other IDs
This app may collect these data types
App activity, App info and performance, and Device or other IDs
Data is encrypted in transit
Data can’t be deleted

What’s new

• One-time Pro unlock, with Restore Purchase.
• More accurate sizing — corrected contract specs and a fix for a rare rounding case that could under-count contracts.
• Your result is now labelled a risk-based maximum, with clearer wording throughout.
• Display fixes (including tick-size formatting) and smoother onboarding on iPad.
• Purchase and startup reliability improvements.