Ideal transformer ratio calculator

Calculate ideal output voltage with your own figures.

Your numbers

Use the units shown. Results update as you change valid inputs.

Use ideal output voltage to compare changes to your inputs. The method and limits below explain the scope.

Examples

Examples

Try the starting example

Input voltage (V)
240
Primary turns
1000
Secondary turns
100
Ideal output voltage (V)
24

Try another scenario

Input voltage (V)
264
Primary turns
1000
Secondary turns
100
Ideal output voltage (V)
26.4
Calculation method

Calculation method

Ideal output voltage (V)

a × c ÷ b

Symbols and units
a
Input voltage (V)
b
Primary turns
c
Secondary turns

Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.

Assumptions & limits

Assumptions & limits

  • Ideal transformer with no losses or regulation effects.
Are these inputs private?

These calculations run in your browser. A shared link contains the values you choose to share. Only questions submitted to the separate AI finder are sent to OpenAI.

Further reading

Method reference ↗

Background reading; this does not imply endorsement or independent review of SumFizz.

Share this page
Share this calculator

Leave unchecked to share the page without your entered values.