Free Online Calculators

Fast, free tools for everyday calculations. No signup required.

🍽️Tip CalculatorSplit bills & calculate tips instantly 🎓GPA CalculatorCalculate your grade point average 📝Word CounterCount words, characters & reading time 🎲Dice RollerRoll any dice — d4 to d100 🔐Password GeneratorGenerate strong secure passwords ⚖️BMI CalculatorCalculate your body mass index 🏦Loan CalculatorCalculate monthly loan payments 📏Unit ConverterConvert length, weight, temperature 💯Percentage CalculatorCalculate percentages instantly ✨Name GeneratorGenerate random names for any use 🎂Age CalculatorCalculate your exact age in years, months & days

About RunACalc

What calculators are available?

RunACalc offers 10 free online calculators including a tip calculator, GPA calculator, BMI calculator, loan calculator, word counter, dice roller, password generator, unit converter, percentage calculator, and random name generator — with more tools added regularly.

Are these calculators free?

Yes, completely free. No signup, no account, no limits. Every tool on RunACalc runs directly in your browser — your data is never sent to any server.

Do they work on mobile?

Yes. Every tool is fully responsive and works on iPhone, Android, and any desktop browser.