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## Consumption Tax Calculator

The consumption tax and tax-included amount will be calculated from the entered tax-excluded amount and tax rate. You can enter the tax rate as any percentage.

When calculating Amount including tax, you can select Round down or Round off to process Fraction.

## How to calculate consumption tax

When calculating consumption tax, multiply the tax-excluded amount by the tax rate percentage.

If the consumption tax is 8%, multiply the amount excluding tax by 0.08. If the consumption tax is 10%, multiply by 0.1.

If there is a product \$100, and the consumption tax is 8%, it will be 100 × 0.08 = \$8.

The tax-included amount will be 100 + 8 = \$108 by adding this consumption tax to the original tax-exclusive amount.

Percentages represent the ratio when the whole is 100, so you can find the ratio when the whole is 1 by dividing the percentage by 100.

Therefore, you can calculate the consumption tax by dividing the consumption tax percentage by 100.

Consumption tax = Amount excluding tax × (Tax rate ÷ 100)

### If the tax rate is 8%

Consumption tax = Amount excluding tax × 0.08

### If the tax rate is 10%

Consumption tax = Amount excluding tax × 0.1

## How to calculate the amount including tax

To calculate the tax-inclusive amount, multiply the tax-exclusive amount by the original amount plus the tax rate.

If the consumption tax is 8%, multiply the amount excluding tax by 1.08. If the consumption tax is 10%, multiply by 1.1.

If there is a product that costs \$100 and the consumption tax is 8%, it will be 100 × 1.08 = \$108.

Percentages represent the ratio when the whole is 100, so you can find the ratio when the whole is 1 by dividing the percentage by 100.

Therefore, you can find the amount including tax by dividing the consumption tax percentage by 100 and multiplying it by adding 1 to the original amount.

Amount including tax = Amount excluding tax × (1 + Tax rate ÷ 100)

### If the tax rate is 8%

Amount including tax = Amount excluding tax × 1.08

### If the tax rate is 10%

Amount including tax = Amount excluding tax × 1.1

### Simple Calculator

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