KitBaoKitBao
🧾
Business

Invoice / Tax (VAT) Calculator

A 5% business tax (VAT) calculator for Taiwan. Convert net-to-gross, gross-to-net and break out the tax amount — useful for quotes, invoicing and reconciliation. Instant and copyable.

Net
1,000
Tax (5%)
50
Gross
1,050

Based on Taiwan's 5% business tax, rounded to the nearest unit. Follow your accounting rules for official issuance.

Ad slot (enabled after AdSense approval)

How to use

  1. 1Choose the direction (net→gross or gross→net).
  2. 2Enter the amount.
  3. 3The net, tax (5%) and gross total are calculated automatically.
  4. 4Copy the result into your quote or invoice.

FAQ

Can I change the tax rate?

It defaults to Taiwan's 5% business tax; a custom rate option is coming for other scenarios.

How is net derived from gross?

Net = gross ÷ 1.05, and tax = gross − net. The tool rounds automatically.

Are amounts rounded?

Yes, to the nearest whole unit by common practice. For official issuance, follow your accounting rules.