What is this calculator?
Scale a ratio to match a new first quantity.
What can you use it for?
Use it when solving an exercise, checking a result, or working with the particular quantities shown in this form. Scale a ratio to match a new first quantity.
How to use it
- Enter original first quantity.
- Enter original second quantity.
- Enter new first quantity.
- Select Calculate (or Generate for random tools).
- Read the answer and any additional results below the form. Check the units and the limits of the method.
Formula and method
The formula uses the units and definitions shown above. Each input is substituted before the arithmetic is evaluated; the calculated output is rounded for display.
Worked example
Original first quantity: 2, Original second quantity: 3, New first quantity: 10. The result is 15 (result).
Assumptions and limits
Inputs and outputs must stay within the supported finite number range. Displayed decimal answers may be rounded.
Frequently asked questions
What inputs does the Ratio Calculator need?
Use original first quantity, original second quantity, new first quantity. Read the answer and any additional results below the form. Check the units and the limits of the method.
What assumptions apply to the Ratio Calculator?
Inputs and outputs must stay within the supported finite number range. Displayed decimal answers may be rounded.