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Raffle Draw Probability Calculator

Result

Calculated result 0.5 Based on the values entered.
↗ Math

Raffle Draw Probability Calculator — free online calculator.

Formula

Win Probability = (Tickets Held / Total) × 100
  • Raffle Draw Probability Calculator calculates its result from Tickets You Hold, Total Tickets Sold. It uses the formula Win Probability = (Tickets Held / Total) × 100. Change any input to recalculate the result instantly.
  • The main inputs are Tickets You Hold, Total Tickets Sold. Enter them in the units and format shown in the calculator.
  • Keep comparable quantities in compatible units whenever the formula combines or compares them.
  • Changing any input above recalculates the result with the same calculation engine used by this page.

Example: Raffle Draw Probability

Inputs
  • Tickets You Hold: 5
  • Total Tickets Sold: 1000

Using Tickets You Hold = 5, Total Tickets Sold = 1000, the calculated result is 0.5.

Sample result: Calculating…

Frequently asked questions

What does the Raffle Draw Probability calculate?

Raffle Draw Probability Calculator — free online calculator.

Which values should I enter?

Enter Tickets You Hold, Total Tickets Sold using the units and format shown beside each field.

What formula does this calculator use?

The calculator uses the following relationship: Win Probability = (Tickets Held / Total) × 100.

Why might my result differ from another source?

Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.

Does the result update automatically?

Yes. Changing an input updates the result using the same calculation engine shown on this page.

Page information

Updated: October 7, 2026