Method
Multiplies the total by each entered percentage and rounds displayed amounts to cents.
Finance / browser toolCost Split by
Cost Split by
Percentage Calculator
Divide a shared cost using custom percentages.
Calculate unequal contributions while keeping the total visible.
Your inputs stay on your device
Cost Split by Percentage
live resultEnter all monetary values in the same currency. Results use the currency selected above; no exchange-rate conversion is performed.
Contributions
Rounding Adjustment
Enter every amount in the same currency. Percentages must add to exactly 100%.
Context & Reference
How it works
For groups that agree on unequal shares of one cost.
calculator guideHow to use it
Use this calculator with your own values, then review the clearly labelled result and copy it when you need it elsewhere.
Understand the result
Each person’s contribution and any rounding adjustment are visible.
Example
Split a $1,000 purchase 50%, 30%, and 20%.
Practical tip
Percentages must total exactly 100%; no tax or legal obligation is inferred.
Notes
This calculator runs locally in this browser. Percentages must total exactly 100%; no tax or legal obligation is inferred.
Useful next steps
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