Weighted random picker

Percentage & Chance Wheel

Use this free online chance wheel to set a positive weight for each option and see its exact share before you spin. It runs in your browser with no download or signup required.

Weighted resultReady when you are

2 options are ready with a total weight of 100.

Options and relative weights2 valid options

Weights are relative. Percentages update automatically from the valid rows.

50%
50%

Each displayed percentage is its weight divided by the total valid weight.

  • 2–12 weighted options
  • Positive relative weights
  • Runs in your browser
  • Free
  • Online
  • No installation
  • No signup
  • Browser-based
  • Wheel data stays in your browser
  • Editable option weights
  • Live normalized percentages
  • Saved locally

A chance wheel with visible, editable odds

Set relative weights

Use any positive numbers—the tool converts each weight into its share of the total.

Check percentages before spinning

Every valid row shows its normalized percentage so the active odds stay clear.

Pick with the configured chances

Each spin selects from the valid options according to their current relative weights.

How to use the percentage and chance wheel

01

Add your options

Enter a label for each outcome you want to include.

02

Set relative weights

Give each option a positive weight and review the calculated percentage beside it.

03

Spin with those chances

Spin the weighted wheel to choose one result using the displayed odds.

Frequently Asked Questions

How are the percentages calculated?

Each option percentage is its positive weight divided by the total weight of all valid options. For example, weights of 1 and 3 become 25% and 75%.

Do my weights need to add up to 100?

No. The weights are relative. You can use 1 and 1 for equal chances, 1 and 3 for a 25% and 75% split, or any other positive values.

Are options with invalid weights included?

No. A row needs both a label and a positive numeric weight to be included. At least two valid rows are required before you can spin.

Does the chance wheel save my options?

Yes. Your current labels and weights are saved locally in this browser on the same device. No account or cloud sync is required.