How does this tool help manage finances?

This financial calculator runs 100% on your device in real-time. It computes discretionary spending limits, daily budget limits, and allows you to plan your savings without sharing bank login credentials.

Is my financial data stored privately?

Yes! All calculation values and expense logs remain strictly inside your browser's local storage. No information is transmitted to external servers or sold to third parties.

Can I use this tool offline?

Yes, the application is cached locally as a Progressive Web App (PWA) and can be used on desktop and mobile without an internet connection.

日本語 • 割り勘計算機

割り勘計算機

完全無料・登録不要・完全ローカル保存の安心家計簿＆予算シミュレーター。毎日の支出記録と安心の1日あたり予算を自動計算。

Select Group Split Preset (or Enter Your Own):

Default starts at 0

Equal Bill Details

Quickly divide meals, cabs, or movie tickets equally.

Total Bill Amount *

Number of People *

Tip or Tax % (Optional)

Each Person's Share

Equal Split

$0/ person

Divided equally among 2 people for a grand total of $0.

Original Bill

Before tip/tax

Tip / Tax Added

0% added

Total People

Participants

Share Settlement Breakdown With Friends:

Financial Insight100% Free Tool

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