Sales Tax, VAT & GST Calculator - Add or Reverse

Calculate sales tax, VAT, or GST - add tax to a net amount or reverse it out of a gross amount

🔒 100% ブラウザ内🆓 ずっと無料⚡ サインアップ不要

注意: 下記のツールインターフェースは現時点で英語のみに対応しています。UI の翻訳は順次進めています。このツールを英語で見る →

Net amount (before tax)Tax rate (%)

Net

$100.00

Tax

$13.00

Gross

$113.00

Add: Gross = Net × (1 + rate). Reverse: Net = Gross ÷ (1 + rate). Tax names and rates vary by jurisdiction; check your local rules for the current rate that applies to your item.

あくまで推定値です。 計算結果は入力値に基づく一般的な式から生成された、情報提供のみを目的とするものです。金融、税務、法律、医療、または専門的な助言ではなく、個々の状況、管轄、税金、手数料、健康状態を考慮していません。重要な数値は必ず有資格の専門家に確認してください。本ツールの利用により、以下に同意したものとみなされます: 利用規約と免責事項.

使い方

1
Pick add or reverse
Add tax to a net amount, or reverse-calculate net and tax from a gross amount.
2
Enter amount and rate
Type your amount and the tax rate (or tap a preset like HST 13%, VAT 20%, GST 10%).
3
Read net, tax, and gross
All three values update instantly.

Sales Tax, VAT & GST Calculator - Add or Reverse について

Free sales tax, VAT, and GST calculator with two modes. Add mode: enter a net amount and rate to see the tax and gross total. Reverse mode: enter a gross (tax-inclusive) amount and rate to extract the net and tax portions. Includes presets for common rates worldwide - Canadian GST/HST, UK VAT, EU VAT, Australian GST, and Indian GST. Runs entirely in your browser. 712 Tools の Sales Tax, VAT & GST Calculator - Add or Reverse はモダンな JavaScript API を使って完全にブラウザ内で動作します - サーバーがあなたのデータを見ることは一切ありません。つまり、即時の結果、完全なプライバシー、アップロード制限なしです。

デバッグ、簡単な確認、あるいは本番のインシデント対応まで - このツールは何度でも無料で使えます。ウォーターマークなし、サインアップなし、ツール内広告なし。

よくある質問

What's the difference between GST, HST, VAT, and sales tax?

They are all consumption taxes on goods and services. Names vary by country: US uses sales tax (state-by-state); Canada uses GST and HST; the UK and EU use VAT; Australia and India use GST. The math is the same.

How do I calculate reverse tax?

Net = Gross ÷ (1 + rate ÷ 100). Tax = Gross − Net.

Is my data uploaded?

No. All calculations run entirely in your browser.

Percentage Calculator

What is X% of Y, X is what % of Y, percent increase, decrease, and change

Mortgage Calculator

Estimate your monthly mortgage payment, total interest, and full amortization schedule

Loan / EMI Calculator

Calculate monthly EMI, total interest, and total payable for any personal, auto, or student loan

BMI Calculator

Calculate Body Mass Index from height and weight - metric (cm/kg) or imperial (ft·in/lb)

Age Calculator

Calculate exact age in years, months, and days from any date of birth to any date

Date Calculator

Calculate days between two dates, or add/subtract days, weeks, months, or years from any date