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Both calculators run independently — change the inputs on either side to compare results.

Coin Flip Probability Calculator

Calculate the exact probability of getting a specific number of heads in a fixed number of fair coin flips. It applies the binomial formula, so it is ideal for statistics homework, game design, and making sense of random streaks.

Number of Flips (flips)

Number of Heads (heads)

Fill in the required fields to see your result.

Betting Odds

Expected Value Calculator

Calculates the expected monetary value of a bet over any number of repetitions, revealing its long-run profitability. Use it to decide whether a wager offers a genuine edge over the bookmaker's price.

Bet Amount ($)

Bookmaker Odds

True Win Probability (%)

Calculation Period

Fill in the required fields to see your result.

Key differences

	Coin Flip Probability Calculator	Expected Value Calculator
Category	Probability	Betting Odds
Inputs required	2	4
Result	Probability	Expected Value ($)
What it does	Calculate the exact probability of getting a specific number of heads in a fixed number of fair coin flips. It applies the binomial formula, so it is ideal for statistics homework, game design, and making sense of random streaks.	Calculates the expected monetary value of a bet over any number of repetitions, revealing its long-run profitability. Use it to decide whether a wager offers a genuine edge over the bookmaker's price.