Coin and Dice Probability

Coin and Dice Probability. Heads/tails and dice roll odds. Fast, accurate, private.

Independent events A and B.

P(A)

P(B)

P(A and B)0.120000

P(A or B)0.580000

n (combinations)

nCr

120

C(n, r) = n! / (r!(n−r)!)

Steps

Coin flip and dice roll probability — calculate odds for heads, tails, and dice outcomes.

Are results official?

No — quick estimates only. Confirm with your bank or provider.

Is data saved?

No. Calculations run in your browser.

Where is the full tool?

Each satellite links back to the main hub calculator.