Combination with Repetition Calculator (nHr)

Calculate multiset combinations nHr = (n + r - 1)! / (r! × (n - 1)!) where items can be chosen repeatedly.

How It Works & Processing Standards

Enter values above to calculate results automatically. Check each input field for guidance and units.

Your input data is never sent to any server and is securely processed on your device.

Current Limits

  • Maximum input length: 100,000 characters

Combination with Repetition Calculator (nHr) is a 100% free, browser-based online utility. All calculations and file conversions run locally inside your browser (Local-First) without sending data to remote servers, keeping your documents and inputs strictly private.

How to Use Combination with Repetition Calculator (nHr)

  1. 1
    Enter Type Count (n)Type distinct types of items available.
  2. 2
    Enter Selection Count (r)Type number of items to pick.
  3. 3
    View nHr CountInspect calculated multiset combinations.

Common Use Cases

  • Distributing indistinguishable candies into labeled recipient bags
  • Selecting scoops of ice cream from available flavors with duplicate choices
Have feedback or ideas for this tool? Suggest & Inquire →