Free tools
Trading calculators for crypto perps
Each calculator answers one question a perpetual futures trader asks before, during or after a trade. Every calculator opens with hypothetical example values, marked as such. The tools do not know your venue, so replace them with your own fee, funding rate or limit.
Calculators
- 01
Position Size Calculator
Turn your balance, risk and stop into a size in coins, with notional, margin and the loss at the stop.
Open the calculator → - 02
Leverage & Margin Calculator
See the margin a position locks at a given leverage, or the size a given margin allows.
Open the calculator → - 03
Liquidation Price Calculator
Estimate where an isolated-margin position gets liquidated and whether your stop sits in front of it.
Open the calculator → - 04
Crypto Futures PnL Calculator
Net profit or loss, return on margin and break-even price of a perp trade after fees and funding.
Open the calculator → - 05
Funding Rate Calculator
What holding a perpetual position costs or earns in funding, per payment and over your holding time.
Open the calculator → - 06
Risk Reward Calculator
Risk to reward net of fees, the win rate you need to break even, and your expectancy.
Open the calculator → - 07
Risk of Ruin Calculator
Simulate how likely a losing streak reaches a loss limit before a profit target.
Open the calculator → - 08
Prop Firm Drawdown Calculator
How much you can still lose today before a daily loss limit or a max loss limit is reached.
Open the calculator → - 09
Consistency Rule Calculator
Check whether your best day stays within the share of total profit a consistency rule allows.
Open the calculator → - 10
Trading Journal Analyzer
Load the CSV of your closed trades and see win rate, expectancy, profit factor, drawdown and streaks.
Open the calculator →
Ready to trade the plan?
Run the numbers here, then trade them under real evaluation rules.
Educational tool, not financial advice. Results are estimates from the numbers you enter.