Proportional Cost Allocation Calculator
Local ProcessingDistribute a shared total expense proportionally across members based on weighted cost shares.
How It Works & Processing Standards
Enter values above to calculate results automatically. Check each input field for guidance and units.
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Divides a total by the ratio you give. Weights do not need to add up to 100.
How to Use Proportional Cost Allocation Calculator
- 1Enter the totalThe amount to divide.
- 2Enter weightsOne per person, like "2, 1, 1". Each must be 0 or more.
- 3Read the sharesShares appear in the order you entered.
Examples
300,000 split 2:1:1
Input: Total 300,000, weights 2, 1, 1
Result: 150,000, 75,000, 75,000
1,000,000 split 50:30:20
Input: Total 1,000,000, weights 50, 30, 20
Result: 500,000, 300,000, 200,000
Common Use Cases
- Splitting lodging by nights stayed
- Allocating a shared cost by team headcount
- Dividing returns by ownership share
Frequently Asked Questions (FAQ)
Must the weights add up to 100?
No. 2, 1, 1 works; they are divided by their sum (4).
What if I want equal shares?
The Bill Splitter is simpler.