Free Online Tools
& Calculators
48+ free tools that run instantly in your browser. No signup, no upload, no limits.
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Percentage Calculator
Free online percentage calculator. Calculate what is X% of Y, percentage increase, percentage decrease, and percentage change between two numbers.
Loan Calculator
Free loan repayment calculator. Calculate monthly loan payments, total interest, and full amortization for any personal or auto loan.
Tip Calculator
Free tip calculator. Calculate the tip amount and split the bill between any number of people instantly.
Mortgage Calculator
Free mortgage calculator. Calculate your monthly mortgage payment including principal, interest, down payment, and loan term.
BMI Calculator
Free BMI calculator. Calculate your Body Mass Index in metric or imperial units and see which weight category you fall into.
Age Calculator
Free online age calculator. Calculate your exact age in years, months, days, and total days from your date of birth.
GPA Calculator
Free GPA calculator. Calculate your Grade Point Average from courses, credits, and letter grades on a 4.0 scale.
Word Counter
Free online word counter. Count words, characters, sentences, paragraphs, and reading time in your text instantly.
Trending Tools
Percentage Calculator
Free online percentage calculator. Calculate what is X% of Y, percentage increase, percentage decrease, and percentage change between two numbers.
Compound Interest Calculator
Free compound interest calculator. Calculate compound interest with daily, monthly, quarterly, or annual compounding frequencies.
BMI Calculator
Free BMI calculator. Calculate your Body Mass Index in metric or imperial units and see which weight category you fall into.
Sleep Calculator
Free sleep cycle calculator. Find the best bedtime or wake-up time based on 90-minute sleep cycles for restful sleep.
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