Cross Multiplication Calculator

Cross Multiplication Calculator solves proportions by computing the product of diagonals to find an unknown variable in equivalent fractions.

Cross Multiplication Calculator

x = 12

What is the Cross Multiplication Calculator?

Cross Multiplication Calculator solves proportions by computing the product of diagonals to find an unknown variable in equivalent fractions.

Why use our tool?

  • Instant Results: Powered by modern web technologies, results appear exactly as you type.
  • 100% Free: No hidden fees, no subscriptions, and no registration required to use the Cross Multiplication Calculator.
  • Mobile Friendly: Works perfectly and beautifully on your smartphone, tablet, or desktop.
  • Privacy First: All calculations are performed directly in your browser. No personal data is sent to our servers.