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Free online calculators for forex traders, sports bettors, and crypto investors. No sign-up required.

Browse All 63 Calculators

Most Popular

The most useful calculators for traders and bettors.

betting

Hedge Bet Calculator

Finds the hedge stake that locks in a profit or cuts the loss on an open bet.

betting

No-Vig Calculator

Strips the sportsbook margin out of a market to find the fair odds of each side.

betting

Arbitrage Bet Calculator

Splits stakes between two bookmakers so every outcome returns the same profit.

betting

Teaser Calculator

Shows an NFL teaser's payout and the win rate each leg needs to break even.

betting

EV Calculator

Shows whether a bet wins or loses money in the long run at your probability.

trading

Martingale Calculator

Shows the capital each level of a martingale ladder needs as the price falls.

trading

Anti-Martingale Calculator — Pyramid Winners

Shows how a position grows when you add to it after wins, and what a loss costs.

Betting Calculators

Sports betting math tools.

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Odds Converter

Converts odds between American, decimal and fractional formats.

Parlay Calculator

Shows the combined odds and payout of a parlay from American odds for each leg.

Vig Calculator

Shows how much margin (juice) a sportsbook builds into the odds of a line.

Kelly Criterion Calculator

Sizes a bet from your edge and the odds as a share of your bankroll.

Trading Calculators

Return, break-even and risk tools for any market.

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ROI Calculator — Return on Investment

Shows the return on an investment in total and per year.

Break-Even Calculator

Finds the sales volume at which revenue covers fixed and variable costs.

Monte Carlo Trading Simulator

Simulates thousands of trade sequences to show your odds of profit and of ruin.

Sharpe Ratio Calculator

Rates a strategy's return against the volatility it took to earn it.

Forex Calculators

Risk management tools for currency traders.

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Position Size Calculator

Finds the lot size that risks exactly the share of your account you choose.

Pip Calculator

Tells you what one pip is worth in your account currency for any pair and lot size.

Forex Profit Calculator

Works out the profit or loss of a forex trade in your account currency.

Stop Loss Calculator

Places your stop-loss so a losing trade costs no more than you choose to risk.

Crypto Calculators

DeFi and exchange trading tools.

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Impermanent Loss Calculator

Shows how much a liquidity position trails simply holding the two tokens.

Staking Rewards Calculator

Projects the rewards a staked coin earns per day, month and year.

Crypto Profit Calculator

Works out the profit or loss of a crypto trade after fees, and its break-even price.

DCA Calculator

Shows your average cost and return when you buy crypto on a fixed schedule.