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Income calculator

Avoid mistakes when calculating Income using Cost & Required Profit %.
Updated 17-04-2022
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Insert your Cost and Required Profit in the table below.
The correct Income will be calculated for you
Cost
Required Profit
Income
1
0.00
0.00%
0.00
There are no rows in this table

What’s the point of this?
Lots of people calculate Income incorrectly because they base the Required Profit % on Cost. Like this:

Say Cost = 50 & Required Profit = 12%
Profit calculation: 50 x 0.12 = 6
Income calculation: 50 + 6 = 56

To prove this is wrong, we use the correct way to calculate Profit %. The formula is Profit % = Profit / Income
Profit % calculation: 6 / 56 = 11%

The correct way to calculate Income when you know a Cost and Required Profit % is like this:

Say Cost = 50 & Required Profit = 12%
Income calculation: 50 / (1-0.12)
Income calculation: 50 / 0.88 = 56.82

We’re saying 50 is 88% of Income and therefore 56.82 is 100% of Income. Lets prove it:
Profit calculation: 56.82 - 50 = 6.82
Profit % calculation: 6.82 / 56.82 = 12%

Notes.
- We use percentages as decimals in the calculations. 100% is 1. 50% is 0.5. 35% is 0.35 etc.
- This table compares Profit to Income. 99% is the maximum Profit because Profit can’t be greater than Income.

A Coda Doc formula for this calculation can be found in the
Example using the formula GetIncome(50,0.12):
56.82

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