A wide range of intuitive calculators and formulas for all your calculation needs.

Whether you’re a student, professional, or just someone in need of quick and accurate computations, UnivCalc is here to help. Our user-friendly tools provide instant results, calculation formulas, and information on underlying mathematical concepts. Learn math by calculating.

Rule of three

Leverage our calculator for efficiency and learn the rule of three for deeper understanding.

Body Mass Index (BMI) Calculator

Discover your BMI with our free calculator and learn how it's calculated

Calculate a percentage

Tool and formula for calculating percentages

Calculate the percentage change between two values

Calculate a percentage change between 2 values

Expect more calculators soon to cover all your needs!