Ratio Calculator
比例计算站长工具免费工具本地处理
Proportion calculator solving the fourth term of a:b=c:d — for mixing ratios, map scales and photography framing.
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How to Use
- Fill in amounts, rate, term and other fields
- Click calculate to see the breakdown
- Review every figure before deciding
- All checks and generation run locally — nothing is uploaded
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FAQ
Is any data uploaded?
No, all processing happens locally; nothing you type or upload ever reaches a server.
Are results accurate?
Standard public formulas and parameters are used; defer to official sources for policy rates.
Which browsers are supported?
Modern Chrome, Edge, Safari and Firefox; camera/mic features require permission grants.