Academic Calculators
Free online calculators for mathematics, grade conversions, and academic computations. Tools for students, teachers, and researchers.
GPA to Percentage Calculator
Convert your GPA to percentage across different scales
Percentage to GPA Calculator
Convert your percentage to GPA for various scales
RREF Calculator
Calculate Row Reduced Echelon Form (RREF) of matrices
Volume Calculator
Calculate Volume of Any ShapeCalculate volumes of cubes, cylinders, spheres, and more
Subnet Calculator
Calculate network addresses, ranges, and subnets for both IPv4 and IPv6 networks
BMI Calculator
Calculate Body Mass Index (BMI) to check if your weight is healthy. Supports metric and imperial units.
Tip Calculator
Free tip calculator to instantly determine gratuity amounts and split bills between multiple people.
Love Calculator
Calculate love compatibility and see your love match percentage.
Standard Deviation Calculator
Calculate standard deviation, variance, mean, and z-scores.
Pregnancy Due Date Calculator
Calculate pregnancy due date, weekly milestones, and track your journey based on last period, conception, IVF, or ultrasound dates.
Period Calculator
Calculate your next period, ovulation dates, and fertile windows. Plan ahead with accurate cycle predictions.
Dice Roller
Free online dice roller with multiple dice options. Roll single die, two dice, or multiple dice with our easy-to-use calculator.
Number to Roman
Convert numbers to Roman numerals and Roman numerals to numbers.
Fractions Calculator
Convert Between Decimals and Fractions.
Quadratic Equation Calculator
Solve quadratic equations, find roots, vertex, and discriminant.
Body Fat Calculator
Calculate your body fat percentage based on measurements like neck, waist, and hip circumference.
Half-Life Calculator
Calculate half-life, decay constants, and mean lifetime for radioactive materials.
Power Converter
Convert between watts (W), kilowatts (kW), horsepower (hp), BTU/h, and other power units.
Zip Code Lookup
Free global postal code lookup tool with support for US ZIP codes, Canadian postal codes, Taiwan postal codes and Philippine ZIP codes.
IP Address Lookup
Get info on IP address including location, ISP, timezone, and more.
QR Code Generator
Generate QR codes for URLs, text, email, phone numbers, and SMS.
Color Picker Tool
Get color codes in HEX, RGB, HSL formats, check color contrast for accessibility, and generate color harmonies for your design.
Mortgage Calculator
Calculate your monthly mortgage payments, view amortization schedules, and estimate total costs including taxes and insurance.
Binary Translator
Convert between Text, Binary, Hexadecimal, Decimal, and Octal numbers. Supports multiple character encodings.
Why Use Our Calculators?
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Comprehensive suite of academic and mathematical calculators in one place -
Step-by-step solutions to help understand the process -
Support for international grade systems and conversion standards -
Advanced mathematical operations including matrices, volumes, and more -
Clean, intuitive interface designed for students and educators -
100% free with no registration or downloads required -
Regular updates with new calculators and features
About this Calculator
Free online calculators for mathematics, grade conversions, and academic computations. Tools for students, teachers, and researchers.