All Calculators
Every calculator, organized by category. All are free, bilingual and run locally in your browser, with results shareable via links.
PnL (26)
Futures PnL Calculator
Free futures PnL calculator for long and short positions: position value, gross/net PnL, trading fees, funding fees, initial margin and ROE.
ROE Calculator
Calculate return on margin (ROE) for long/short futures trades from entry price, exit price, quantity and leverage.
Break-Even Price Calculator
Find the break-even exit price after both trading fees for a long or short position (funding and slippage excluded).
Average Entry Price Calculator
Calculate the weighted average entry price and total quantity after adding up to three position entries.
Spot PnL Calculator
Calculate spot trade profit or loss and return from buy price, sell price and quantity (fees excluded).
ROI Calculator
Compute profit/loss and return on investment (ROI) from cost and current value.
Unrealized PnL Calculator
Estimate floating profit/loss and return for an open position from direction, entry price, current mark price and quantity.
PnL Percentage Calculator
Enter long/short entry and exit prices to get the price move percentage and PnL percentage.
Break-Even Win Rate Calculator
From the average payoff ratio, find the minimum win rate needed to break even over the long run.
Exit Price from Target % Calculator
From direction, entry, quantity and a target return %, derive the exit price and the expected PnL amount.
Target PnL Entry Calculator
From a target PnL amount and an exit price, derive the acceptable entry price for long or short.
Recovery Calculator
From a loss %, compute the gain needed to recover; the reverse move that brings a gain back to entry is also shown.
Sell Percentage Plan Calculator
From holding quantity, sell percentage and sell price, get the sold quantity, proceeds and remaining position.
Multi-Position PnL Calculator
Enter up to four positions (direction/entry/exit/quantity) to total the combined PnL and win/loss counts.
Spot Buy Budget Calculator
Buy with a budget at a price and estimate the coins actually received after fees plus the all-in unit cost.
Spot Sell Net Proceeds Calculator
From quantity and sell price, compute gross proceeds, deduct fees and get the net amount and net average price.
Multi-Buy Position Summary Calculator
Enter up to four buys (price × quantity) with the current price to get average cost, market value and floating P&L.
Trades to Recover Calculator
From losing trades, average win and average loss, compute how many wins are needed to cover the deficit.
Quantity for Target P&L Calculator
From entry, exit, direction and a target P&L amount, derive the quantity required.
Partial Sell Cost Calculator
Using average-cost accounting, compute proceeds, realized P&L and remaining position after selling part.
Recovered Cost Calculator
After selling part at a profit, offset the remaining cost basis with proceeds (recovery method).
Long vs Short Compare Calculator
With identical entry, exit and quantity, show gross and net P&L for both directions side by side.
P&L to Price Move Calculator
With notional known, convert a target P&L amount into the required price move in percent.
Multi-Coin Cost & Value Summary Calculator
Up to five coins with cost, quantity and current price → combined cost, value and P&L.
FIFO Multi-Lot Sell Settlement Calculator
Settle one sell across buy lots first-in-first-out to get realized P&L and remaining position, with the average-cost method for comparison.
Inverse Futures P&L Calculator
Coin-margined P&L = face × (1/entry − 1/exit); see coin and USD results at exit.
Margin & Leverage (10)
Margin Calculator
Calculate the initial margin required to open a futures position: enter price, quantity and leverage to get position value and margin instantly.
Leverage Calculator
Work out the effective leverage of a position from entry price, quantity and the margin you put up.
Notional Value Calculator
Compute the notional (position) value of a futures trade from entry price and quantity to understand your exposure.
Contract Quantity Calculator
Estimate position value and contract quantity from entry price, margin and leverage (linear model, 1 contract = 1 base coin).
Leverage & Margin Table
Enter entry price and quantity to instantly generate required margin and margin rate from 1x to 100x leverage.
Safe Leverage Calculator
Estimate a volatility-based leverage ceiling from daily move size, tolerable loss % and a volatility multiple.
Pyramiding Calculator
Enter first and add-on prices and quantities to compute the combined average price, total quantity and add-on notional.
Anti-Martingale Calculator
From initial stake, multiplier and winning streak, get the current bet, cumulative capital and the next bet size.
Target Average Add Calculator
When you want to move an existing position to a target average price, derive the add quantity from the add price.
Portfolio Effective Leverage Calculator
Per position enter margin and leverage to total margin, notional exposure and weighted effective leverage.
Risk Management (33)
Position Size Calculator
Calculate suggested position quantity from account balance, risk percentage, entry price and stop loss to keep per-trade risk under control.
Risk-Reward Ratio Calculator
Compute the risk-reward ratio plus risk and reward distances from entry, stop loss and take profit prices.
Stop-Loss Price Calculator
Derive the stop-loss trigger price for long or short positions from entry price, quantity and the maximum acceptable loss.
Take-Profit Price Calculator
Derive the take-profit trigger price for long or short positions from entry price, quantity and target profit.
Liquidation Price Calculator
Estimate the liquidation price for long/short positions in isolated or cross margin from entry price, quantity, leverage and maintenance margin rate.
Kelly Criterion Calculator
Use the Kelly criterion with win rate and payoff ratio to find the growth-optimal fraction of bankroll to risk.
Stop-Loss Distance Calculator
Convert a stop distance percentage into long and short stop-loss trigger prices from the entry price.
Max Drawdown Calculator
Compute the maximum drawdown amount and percentage from a portfolio or account peak and trough values.
Take-Profit Distance Calculator
Convert a target distance percentage into long and short take-profit trigger prices from the entry price.
Kelly vs Fixed Fraction Calculator
Compare full Kelly, half Kelly and your planned fixed position fraction from win rate and payoff ratio.
Stop & Take-Profit Plan Calculator
Turn stop and target distance percentages into long/short prices plus the risk-reward ratio from an entry.
ATR Stop Calculator
Convert an ATR multiple into long/short stop-loss trigger prices from entry and ATR.
Trailing Stop Calculator
Enter direction, the highest/lowest reference price reached and the trail distance % to get the dynamic trailing stop trigger price.
Liquidation Distance Calculator
From direction, entry price, liquidation price and quantity, compute the percentage and dollar buffer before liquidation.
Risk of Ruin Calculator
Estimate the consecutive losses needed to hit a ruin line and an approximate probability, from risk %, win rate and trade count.
Value at Risk (VaR) Calculator
Estimate a confidence-interval potential loss from position value, daily volatility, z-score and days.
Maintenance Margin Calculator
From position value, maintenance margin rate and current equity, compute maintenance margin, the equity gap and the margin ratio.
Worst-Case Scenario Simulator
From direction, entry, quantity, leverage and an assumed adverse move, simulate the loss, equity left and estimated liquidation price.
Stop-Constrained Entry Calculator
From stop price, tolerable loss amount and quantity, derive the highest entry for a long and the lowest for a short.
Losing Streak Probability Calculator
From win rate and streak length N, compute the probability of N consecutive losses (independent-outcome model).
Position Volatility Impact Calculator
From the position's share of the account and the asset's move %, estimate the dollar and percentage impact on the account.
Stop Distance Budget Calculator
From per-trade risk amount and planned position value, derive the maximum allowed stop distance in percent.
Daily Loss Exposure Cap Calculator
From the daily tolerable loss and the asset's daily move %, derive the maximum allowed exposure.
Target R:R Distance Calculator
From stop distance (%) and a target risk-reward ratio, derive the required take-profit distance.
Stop Slippage Fill Calculator
From the stop trigger price and slippage %, estimate the actual exit fill and the extra loss.
At-Least Win Probability Calculator
From a per-trade win rate and N (≤50), compute the binomial probability of at least X wins.
Price Range Probability Estimator
From spot, annual volatility and days, estimate the probability the price stays inside or leaves a range (random-walk assumption).
Stop Loss vs Liquidation Comparator
Compare how far a stop-loss and an estimated liquidation price sit from entry, plus liquidation distance across leverage tiers.
Two-Asset Portfolio Volatility Calculator
Compute portfolio volatility and diversification from two assets' volatility, correlation and weights.
Account Risk Rate Calculator
From equity, used margin and maintenance requirement, estimate the risk rate and the loss buffer (generic approach).
First-Touch Stop/Target Probability Calculator
Under a zero-drift random walk, estimate the probability the price touches the target before the stop.
Volatility Target Position Calculator
From a target annual volatility versus the asset's own, back out the needed allocation, leverage and notional.
Two-Asset Min-Variance Weight Calculator
From two assets' volatility and correlation, solve the weight of A that minimizes portfolio volatility and the resulting minimum.
Fees & Costs (14)
Trading Fee Calculator
Estimate open, close and total trading fees for a futures position from prices, quantity and the fee rate.
Funding Rate Calculator
Estimate single and cumulative funding fees for a perpetual position from position value, funding rate and holding periods.
Slippage Cost Calculator
Estimate notional value and the hidden slippage cost of a market order from quantity, price and expected slippage %.
Net PnL with Funding Calculator
Enter direction, entry/exit price, quantity, fee rate and funding % to get net PnL after fees and funding.
Funding Annualized Calculator
Convert a per-period funding rate and periods per day into nominal and compounding-equivalent annualized rates.
Monthly Trading Cost Estimator
From monthly volume, round-trip fee rate and capital, estimate monthly/annual costs as % of capital.
Fee Breakeven Move Calculator
From the combined two-side fee rate, derive the price move needed to truly break even.
Short Borrow Cost Calculator
Estimate the borrow cost of a short from annual rate, notional and holding days.
Limit vs Market Cost Calculator
Compare total fee-inclusive costs of one buy filled at a limit price versus a market price.
Bid-Ask Spread Cost Calculator
From bid/ask quotes, compute one-side and round-trip spread crossing costs and their share of notional.
Constant-Product Price Impact Calculator
Estimate execution price and price impact from pool reserves and trade size under the constant-product model (fees excluded).
Fee Discount & Rebate Calculator
Apply a VIP discount and rebate to a gross fee to find the real net fee and effective rate.
Ethereum Gas Fee Estimator
Gas limit × gas price (Gwei) → fee in ETH and USD at a chosen ETH price.
Funding Rate Cost Table
For 8-hourly funding, compare total funding costs across typical per-period rates for a given notional and days.
Yield & Earnings (17)
APR Calculator
Estimate simple-interest earnings from principal, annual percentage rate and days held.
Compounding Calculator
Calculate the future value and total interest of compound growth from principal, annual rate, compounding frequency and years.
DCA Investment Calculator
Estimate the future value and total gain of dollar-cost averaging from amount per period, number of periods and per-period return.
APY vs APR Calculator
Convert a nominal APR and compounding frequency into the equivalent APY to compare simple vs compound annual returns.
Lump Sum vs DCA Calculator
Compare the future value of investing the same total either as one lump sum or via dollar-cost averaging under a given per-period return.
Funding Rate Arbitrage Calculator
Estimate the annualized return of collecting funding one-sided, from position value, funding rate, settlements per day and borrow cost.
Compound Goal Solver
From principal, annual return and target amount, solve for the years needed under annual compounding.
CAGR Calculator
From start value, end value and days, compute the compound annual growth rate (CAGR).
DCA Goal Payment Calculator
From target value, number of periods and per-period return, solve for the required contribution per period.
Annual to Daily/Monthly Rate Converter
From an annual return, derive the equivalent daily and monthly compounding rates.
Doubling Time Calculator
From an annual return, get both the rule-of-72 estimate and the exact doubling time in years.
Multi-Period Return Compounder
Multiply up to five consecutive returns into the geometric total and per-period average.
Compounding Frequency Calculator
Under the same nominal APR, compare end values compounding yearly, monthly and daily.
Equal-Amount vs Equal-Share DCA Calculator
For the same batch of buy prices, compare average cost and units between equal-amount and equal-share periodic investing.
Portfolio Weighted Return Calculator
Weight returns of up to five assets to compute the portfolio return and each asset's contribution.
Simple vs Compound Interest Calculator
Compare simple and compound end values for the same principal, annual rate and years.
DCA Required Rate Calculator
Given amount per period, periods and a target value, solve the required per-period and annualized rate (assumes monthly).
Strategy Tools (9)
Grid Profit Calculator
Estimate grid trading profit from range, grid count, amount per grid, completed grids and fees using a linear-grid model.
Martingale Calculator
See the next bet and cumulative capital required after N consecutive losses under a doubling martingale scheme.
Expectancy Calculator
Calculate expected value per trade and the break-even win rate from win rate, average win and average loss.
Grid Parameters Calculator
Compute grid spacing, spacing percentage and per-grid allocation from range, grid count and optional total capital.
Profit Factor Calculator
Compute the profit factor and net profit from gross winning and losing amounts.
TWAP Order Plan Calculator
Split a large order into equal slices over time: total value, number of slices and window give per-slice amount and interval.
Scaled Exit Plan Calculator
Plan up to three profit-taking levels with sell percentages: per-level quantity, proceeds, overall average and remaining position.
Batch Buy Plan Calculator
Plan up to three buy levels with amounts: per-level quantity, combined average and total invested.
Win Rate for Target Calculator
From risk per trade, average payoff, trade count and a monthly target, solve for the required win rate.
Options (28)
Black-Scholes Calculator
Price European call and put options with the Black-Scholes model from spot, strike, time to expiry, volatility and risk-free rate.
Options Delta Calculator
Estimate the delta of European call/put options with Black-Scholes — the change in option price per 1 unit move in spot.
Options Gamma Calculator
Estimate the gamma of European options with Black-Scholes — how fast delta changes as spot moves.
Options Vega Calculator
Estimate the vega of European options with Black-Scholes — price change per 1% increase in implied volatility.
Options Theta Calculator
Estimate the daily time decay (theta) of European options with Black-Scholes to understand the cost of holding.
Options Breakeven Price Calculator
Find the expiry break-even price of a single call or put from strike and premium, for both buyers and sellers.
Covered Call Calculator
Estimate expiry PnL and break-even for holding spot and selling a covered call, from cost, premium, strike and expiry price.
Protective Put Calculator
Estimate expiry PnL, break-even and max loss of holding spot with a protective put, from cost, premium, strike and expiry price.
Options Expiry PnL Matrix
Pick call/put and buy/sell, enter strike and premium to see PnL across expiry prices within ±20% of the strike.
Bull Call Spread Calculator
Estimate expiry PnL, max profit/loss and break-even of a bull call spread from strikes, premiums and expiry price.
Bear Put Spread Calculator
Estimate expiry PnL, max profit/loss and break-even of a bear put spread from strikes, premiums and expiry price.
Bull Put Spread Calculator
Sell a higher-strike put and hedge with a lower-strike put; estimate expiry PnL, limits and break-even of the credit spread.
Bear Call Spread Calculator
Sell a lower-strike call and hedge with a higher-strike call; estimate expiry PnL, limits and break-even of the credit spread.
Straddle Calculator
Buy a call and put at the same strike; estimate expiry PnL, max loss and both break-evens from premiums and expiry price.
Iron Condor Calculator
Combine a bull put spread and a bear call spread; estimate expiry PnL and break-evens from four strikes, premiums and expiry price.
Strangle Calculator
Buy an OTM call and put at different strikes; estimate expiry PnL, max loss and both break-evens from premiums and expiry price.
Butterfly Calculator
Buy the K1/K3 wings and sell 2× the K2 call; estimate expiry PnL, limits and break-evens from strikes, premiums and expiry price.
Short Straddle Calculator
Sell an at-the-same-strike call and put: enter strike, premiums and expiry price to see the credit zone and P&L.
Short Strangle Calculator
Sell an out-of-the-money call and put pair: enter strikes, premiums and expiry price for the profit band and P&L.
Option Time Value Calculator
From call/put, spot, strike and premium, split intrinsic and time value with its share.
Premium Decay Calculator
From premium and days to expiry, estimate the approximate daily time-value loss (linear model).
Risk Reversal Calculator
Buy an OTM call while selling an OTM put: net cost and key expiry payoff levels.
Premium Yield Calculator
From premium per period and cycles per year, estimate simple and compounded annualized income.
Collar Strategy Calculator
Hold the asset while buying a put and selling a call: net cost, floor and cap levels.
Put-Call Parity Check Calculator
Check whether Call−Put ≈ spot−strike to spot synthetic-parity deviations (ignoring rates and dividends).
Options Implied Volatility Calculator
Back out the Black-Scholes implied volatility from spot, strike, days to expiry and premium (estimate).
Options Portfolio Net Greeks Calculator
Enter quantity and Greeks per leg to aggregate the portfolio net Delta, Gamma, Vega and Theta.
Options Probability of Profit Calculator
Derive premium and breakeven from IV, then estimate the expiry profit probability under a log-normal approximation.
Arbitrage & Hedging (4)
Hedging Ratio Calculator
Calculate how many futures contracts you need to hedge a spot position, given spot quantity and contract size (linear model).
Basis Calculator
Compute the basis (futures minus spot) and basis percentage for arbitrage and hedging analysis.
Spot + Futures Net Exposure Calculator
With a spot long and a futures short, compute the net directional exposure and hedge coverage.
Beta-Neutral Hedge Notional Calculator
From spot value, spot beta, hedge instrument beta and a target beta, compute the required hedge notional (optionally contracts).
Utilities & Converters (13)
Satoshi to USD Converter
Convert Satoshi into BTC and USD value using the current BTC price.
BTC Unit Converter
Convert a BTC amount into mBTC and sats, and into USD when a BTC price is provided.
Gwei to ETH Converter
Convert Gwei into ETH and Wei, and estimate USD value with an ETH price.
Two-Asset Rebalance Calculator
Compute target values and required buy/sell amounts for two assets from current values and asset A's target weight.
Position Value & Allocation Calculator
From quantity, current price and total portfolio value, compute the position market value and its weight.
Tick Value Calculator
From the minimum price step, quantity and current price, compute the dollar value and percentage of one tick.
Allocation Split Calculator
From total capital and up to four weights, compute the amount per asset and the leftover (weights may total below 100%).
Contract Lots & Notional Calculator
Convert between contract lots and notional using a generic per-contract multiplier × price.
Price Ladder Table Calculator
From a base price, generate eight reference prices at ±1%, 2%, 3% and 5%.
Impermanent Loss Calculator
Estimate the AMM liquidity position's value gap versus simply holding, given a price change (fees excluded).
Multi-Asset Rebalance Calculator
For up to five assets, compute target amounts and buy/sell gaps from current values and target weights (weights normalized).
DeFi Lending Health Factor Calculator
From collateral, borrow and liquidation factors plus debt, estimate the health factor and distance to liquidation (generic).
Token Decimals / Base Unit Converter
Convert between token amount × 10^decimals and base units for any ERC-20-style token; leave one side blank to solve.
Market Analysis (18)
Pivot Point Calculator
Compute classic pivot point and support/resistance levels from the previous high, low and close.
ATR Calculator
Compute true range (TR) from a bar's high, low and previous close, then smooth into ATR with a prior ATR and period.
Sharpe Ratio Calculator
Compute the Sharpe ratio from annual return, risk-free rate and annual volatility.
Calmar Ratio Calculator
Compute the Calmar ratio from annual return and maximum drawdown to gauge reward for drawdown risk.
Volatility Price Range Calculator
Estimate the sigma price range over a horizon from price, annual volatility, days and confidence multiple z.
Volatility Annualize Calculator
Convert a per-period standard deviation into annualized volatility given periods per year.
VWAP Calculator
Enter up to five price/volume levels to compute the volume-weighted average price (VWAP) and total volume.
Fibonacci Retracement Calculator
From a swing high and low, compute the 0.236/0.382/0.5/0.618/0.786 retracement and extension levels.
ATR Channel Calculator
From price, ATR and a multiple, generate a dynamic channel of price ± N×ATR.
Volatility Multi-Period Converter
From daily volatility σ, get weekly, monthly, quarterly and annualized σ at once.
Range Projection Calculator
From range high and low, get measured-up and measured-down breakout targets (range height projection).
Weekly Gain to Target Calculator
From current price, target price and weeks, derive the average weekly gain needed to get there.
Price Position in Range Calculator
From a range's high/low and the current price, see where price sits as a percentage.
Market Cap / Price / Supply Calculator
Given any two of market cap, price and circulating supply, solve the missing one.
Sortino Ratio Calculator
Divide annualized return above a target by downside deviation to assess downside-risk-adjusted performance.
Historical Volatility Calculator
Compute daily and annualized volatility plus daily return range from a series of recent daily closes.
Sigma Price Bands Calculator
From spot, annual volatility and days, show symmetric ±1/2/3σ price bands.
Option IV Term Structure Slope Calculator
Compare near- and far-tenor implied volatilities to get the gap and the per-30-day term slope.
After the numbers
Once the tools are picked and the parameters are settled, a quant system such as CubeQuants can execute the same rules for you, so you don't have to watch the screen by hand.
Automated or not, set your stop level and position cap in advance, and validate with a small size before scaling up.