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Study Calculators & Converters

Which Calculator do you need today?

Frequently asked questions

  • Study Calculators & Converters are interactive tools that help you solve problems in chemistry, biology, physics, math, and other subjects quickly and accurately. Each calculator walks you through the steps, performs unit conversions automatically, and provides clear explanations so you understand how the answer was reached. They're designed to save time, reduce mistakes, and help you learn the concepts behind each calculation.
  • You can find any calculator instantly using the search box at the top of the page. Just start typing the calculator name (for example: Molarity Calculator, pH Calculator, Margin Calculator) and matching options will appear in real time. This is the fastest way to jump directly to the exact tool you need.
  • Yes — all calculators and converters on Pearson Study Prep are free to use. You just need to log in to your account or sign up if you haven't created one yet.
  • Absolutely. Each calculator is built to support real coursework across chemistry, biology, physics, math, and more. Students use them to check homework, verify lab-report calculations, practice exam-style questions, and reinforce their understanding of key formulas and units. They're accurate enough for classwork and clear enough for exam prep.
  • Each subject card below highlights the most popular calculators for that subject, making it easy to see which tools students use most often.
  • Yes. Most calculators include step-by-step solutions, intermediate values, visual mini-charts, and short explanations that break down the logic behind each formula. This makes the tools helpful not only for solving problems but also for learning the underlying concepts.
  • New calculators and converters are added regularly across chemistry, biology, math, and physics. We continuously expand the library based on student demand, course trends, and the topics most frequently assigned by instructors.