GST Calculator
How to calculate GST
To calculate GST, enter the amount and select the applicable GST rate. The calculator will display the GST amount and the total amount.
$$\text{GST Amount} = \text{Original Price} \times \frac{\text{GST Rate}}{100}$$
To find the final price including GST, you can use:
$$\text{Final Price} = \text{Original Price} + \text{GST Amount}$$
Or, combining both steps into one formula:
$$\text{Final Price} = \text{Original Price} \times \left(1 + \frac{\text{GST Rate}}{100}\right)$$
Example:
Let's say the original price of an item is ₹200 and the GST rate is 10%.
1. Calculate the GST Amount:
$$\text{GST Amount} = 200 \times \frac{10}{100} = 200 \times 0.10 = 20$$
2. Calculate the Final Price including GST:
$$\text{Final Price} = 200 + 20 = 220$$
Or, using the combined formula:
$$\text{Final Price} = 200 \times \left(1 + \frac{10}{100}\right) = 200 \times 1.10 = 220$$
So, the final price including GST is ₹220.
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