Enter the final bill amount ($) and the tip percentage (%) into the Reverse Tip Calculator. The calculator will evaluate and display the original bill amount before tip.
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Reverse Tip Formula
The following formula is used to calculate the Reverse Tip.
IB = FB / (1+T/100)
- Where IB is the original bill amount before tip ($)
- FB is the final bill amount ($)
- T is the tip percentage (%)
To calculate a reverse tip, take the final bill amount and divide it by the result of 1 plus the tip percentage over 100.
How to Calculate Reverse Tip?
The following example problems outline how to calculate Reverse Tip.
Example Problem #1:
- First, determine the final bill amount ($).
- The final bill amount ($) is given as: 100.
- Next, determine the tip percentage (%).
- The tip percentage (%) is provided as: 15.
- Finally, calculate the Reverse Tip using the equation above:
IB = FB / (1+T/100)
The values given above are inserted into the equation below and the solution is calculated:
IB = 100 / (1+15/100) = 86.956 ($)
Example Problem #2:
For this problem, the variables required are provided below:
final bill amount ($) = 200
tip percentage (%) = 20
Test your knowledge using the equation and check your answer with the calculator above.
IB = FB / (1+T/100) = ?
