NumSmith

Percentage calculator

Percent of a number, percent change, increase and discount — without the confusion.

…

Share

For reference only

Results use standard formulas and published rates. Actual figures may differ due to personal deductions, institution rules and rounding. Do not rely on this alone for legal or financial decisions.

When to use this

'What is 15% of 300?', 'From 250 to 300 is what % increase?', 'If it costs 45 after a 10% discount, what was the price?' Pick the question type and get the answer.

How to use it

  1. Choose the kind of calculation.
  2. Enter A and B.
  3. The result appears instantly.

Frequently asked questions

Percent vs percentage point?
Going from 10% to 15% is a 5 percentage-point rise, but a 50% relative increase.

When people use this

Related calculators