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即时、私密且免费
商品服务税计算器.
轻松计算商品与服务税(GST)，支持标准税率档次和本地化拆分。
此计算器尚未完全翻译——部分文本以英文显示。
设备端计算无需注册
01
输入数值
输入时结果会更新。
02 / 答案
计算结果
净价（税前）
1,000.00
GST 税额
180.00
总价（税后）
1,180.00
印度 GST 拆分（适用于州内交易）
CGST（中央税 - 50%）
90.00
SGST（州税 - 50%）
90.00
IGST（综合税 - 100%）
180.00
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Cite this calculator
Canonical URL: https://mathify.one/zh/finance/gst
Cite as: Mathify. (2026). 商品服务税计算器. https://mathify.one/zh/finance/gst
Use Cases
Retail Pricing
Determine the final selling price by adding GST to your wholesale or cost price, ensuring you cover the tax.
Example: Add 10% GST to a $100 product to get a total of $110.
Invoice Reconciliation
Extract the pre-tax amount from a total invoice to verify charges or claim input tax credits.
Example: Remove 18% GST from a $1,180 invoice to find the base amount of $1,000.
Frequently Asked Questions
- How do I add GST to a price?
- Enter the base price (excluding GST) and select your GST rate. The calculator will show the GST amount and the total price including GST.
- How do I remove GST from a price?
- Enter the total price (including GST) and select the GST rate. The calculator will show the pre-GST price and the GST amount included.
- Can I use a custom GST rate?
- Yes, you can enter any custom GST rate percentage to match your specific tax jurisdiction or product category.
Tips & Common Mistakes
Tips
- Always double-check the GST rate for your country or region, as it can vary (e.g., 5%, 10%, 12.5%, 20%).
- When adding GST, multiply the base price by (1 + rate/100). For removing, divide the total by (1 + rate/100).
- Use the custom rate option for special cases like reduced rates on certain goods or services.
- Keep a record of your calculations for accounting and tax filing purposes.
Common Mistakes to Avoid
- Confusing the base price with the total price when adding or removing GST, leading to incorrect results.
- Using the wrong GST rate, especially when a custom rate is needed for a specific product or service.
- Forgetting to round the final amount to the nearest cent, which can cause discrepancies in invoices.
Last updated: August 13, 2026