Don't get rekt.
Free crypto risk calculators. Know your liquidation price, size by risk, and see the real return behind DCA. No sign-up, no hype, nothing leaves your browser.
Trading Toolkit
A complete crypto risk toolkit — from position sizing and liquidation to funding, fees and trade analytics.
Liquidation Price
Find the exact price where your position gets wiped, based on leverage and margin.
Safe Leverage
How far price can move before you're liquidated — and the max leverage that survives it.
Position Size
Size from risk, not hope. Cap your loss to a fixed % of the account.
PnL / ROE
Project profit and loss with leverage and ROE before you click the button.
Target Exit Price
Set a profit goal in ROE % or dollars — get the exact exit price to hit it, after fees.
Funding Fees
What perpetual funding really costs you over hours, days and weeks of holding.
Funding Rate APR
Annualize a tiny funding rate into a real APR, daily cost and break-even move.
DeFi Real Yield
Strip out inflation and gas fees — see what that 20% APY actually earns in real purchasing power.
Required Leverage
The leverage a target position needs — and the liquidation price it drags along.
Volatility Liquidation Risk
Distance to liquidation in the coin's average days of movement — is your leverage sane?
Crypto Volatility
Turn a daily move into annualized volatility and the expected 1σ/2σ price range by horizon.
Losing Streak Simulator
Even a 60% win rate gives brutal streaks — see your expected worst run and its drawdown.
Trade Expectancy
A 70% win rate can still lose money — see your real edge per trade and profit factor.
Kelly Criterion
The mathematically optimal bet size for your edge — plus the half-Kelly pros actually use.
Portfolio Heat
Six trades at 2% is 12% at risk — sum your total open risk and the correlated worst case.
Take-Profit Ladder
Scale out across up to four targets — blended exit, profit booked at each rung after fees.
Compounding
Project an account over N trades — compounded vs flat, with an expectancy reality check.
DCA Average
Your true entry price and the honest realized return — averaging isn't profit.
Break-even
The real zero-profit point including exchange fees and slippage.
Fee Optimizer
Enter your monthly volume — see which exchange costs least in maker, taker and annual fees.
Funding Arb Scanner
Live Binance vs Bybit funding rate comparison. Find delta-neutral pairs where both exchanges pay you.
Share Trade Plan
Build a shareable trade card — entry, SL, TP, leverage, R:R and risk score. One link for X or Discord.
Trade Risk Checker
Exchange-specific liquidation, real fees, funding cost and true R:R after all costs — before you click Buy.
DCA Reality Check
Averaging down often looks great because your average sits below price. But your realized return — what you'd bank selling now — is the honest number. Here are both.
Position Size — risk-based
Never blow up. Decide size from how much you're willing to LOSE, not how much you want to win. The single most important habit of survivors.
Popular coin liquidation calculators
Pre-set for each coin's real leverage and maintenance margin.
Bitcoin (BTC)
Up to ~100x, ~0.5% maintenance margin. Find your BTC liquidation price.
Ethereum (ETH)
Moves harder than BTC — plan your liquidation for the move ETH makes.
Solana (SOL)
High-beta large cap, ~50x cap. Keep leverage low, liquidation far.
XRP
Quiet, then a 30% headline gap. Don't get comfortable on high leverage.
BNB
Steadier alt, up to ~75x. Size for the worst hour, not the average.
Dogecoin (DOGE)
Brutally volatile — where high leverage goes to die. Check first.
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Made by traders who got rekt first.
Every calculator here exists because we lost money the dumb way and got tired of tools that flatter you instead of telling you the truth.
Why RektCalc?
Most calculators flatter you. RektCalc doesn't. Built by people who run real strategies and got tired of tools that hide risk. The DCA Reality Check exists because “average price below market” is not the same as “you made money.” Know your liquidation, size by risk, see the truth — and don't get rekt.
📝 Read the blog — honest, data-backed trading notes. No hype.