Free calculators for students, professionals, and everyday life
Fast, accurate tools for GPA calculations, unit conversions, percentage math, salary planning, and text utilities. No signup, no pay wall, just answers.
Browse All ToolsMost Used Calculators
GPA Calculator
Calculate your grade point average from course grades and credits
Pounds to Kilograms
Convert weight from lbs to kg instantly
Percentage Calculator
Calculate percentages, increases, and decreases
Salary to Hourly Calculator
Convert annual salary to hourly wage
Celsius to Fahrenheit
Convert temperature between Celsius and Fahrenheit
Word Counter
Count words, characters, and sentences in text
Discount Calculator
Calculate sale prices and discount percentages
Take Home Pay Calculator
Estimate your net pay after taxes and deductions
Miles to Kilometers
Convert distance between miles and kilometers
Percentage Increase Calculator
Calculate percentage change and growth
High School GPA Calculator
Calculate GPA for high school students using US grading scale
Case Converter
Convert text to uppercase, lowercase, or title case
Calculator Categories
Student Calculators
GPA calculators, grade tools, and academic planning for students worldwide
Unit Converters
Convert weight, length, temperature, volume, and more
Percentage Calculators
Calculate percentages, increases, decreases, and discounts
Income & Salary Calculators
Calculate take-home pay, taxes, and salary conversions
Text Tools
Word counters, case converters, and text utilities
Built for Real Life Use
Students
Calculate your GPA, plan assignments, manage budgets
Freelancers
Convert rates, estimate taxes, track income
Professionals
Plan salary changes, calculate raises, manage finances
Small Business
Calculate taxes, convert units, track percentages
Why People Use SabiCalculator
Fast and Simple
No loading screens or complex interfaces. Get your answer in seconds.
Always Accurate
Tested formulas and verified calculations you can trust.
100% Free
No signup required. No payment walls. No hidden costs.
Mobile Friendly
Works perfectly on phones, tablets, and desktop computers.
Privacy First
Calculations happen in your browser. We don’t store your data.
No Distractions
Clean interface focused on getting you the right answer.
Learn How the Calculations Work
Understand the formulas and methods behind each calculator