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Math & Units
Calculators, unit and number converters, everyday math.
4 tools · sorted by popularity
Unit Converter
Convert between metric and imperial units — length, weight, temperature, and more.
∑Math & Units
GPA Calculator
Enter your courses, letter grades, and credits to get your weighted GPA.
∑Math & Units
Fraction Calculator
Add, subtract, multiply, or divide two fractions — reduced result and decimal.
∑Math & Units
Roman Numeral Converter
Numbers to Roman numerals and back — supports 1 to 3999.
∑Math & Units