Money & finance
VAT Calculator
Add VAT to a net amount or extract the VAT already included in a gross amount using an adjustable rate.
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Money & finance
Percentage Calculator
Calculate a percentage of a value, percentage change, or a percentage increase without spreadsheet formulas.
No account required
Free to use
Submitted values are not saved as tool history
01
Enter your details
Required fields are marked.
02
Your result
Complete the fields to generate an explainable result.
How to use it
Three common percentage questions
The meaning of each value changes with the selected calculation. The result always includes a short formula explanation.
- Choose the percentage question you need to answer.
- Enter X and Y using the labels shown.
- Review the result and formula summary.