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Free Online Calculators & Tools
Calculate percentages, loans, VAT, age and fuel costs; count or clean text; merge, split and convert PDF files — all in one place.
Tool Categories
PDF ToolsConvert, merge and split PDF files in your browser.
CalculatorsFast everyday percentage, age, date and discount calculators.
FinanceLoan, interest, VAT and profit margin calculators.
Text ToolsCount, clean and transform text instantly.
EducationGrade and study-related calculators.
AutoFuel and driving cost calculators.
Popular Tools
Percentage CalculatorCalculate a percentage of any number, percentage increase and reverse percentage.
Percentage Change CalculatorCalculate percentage increase or decrease between two values.
Discount CalculatorCalculate the discount amount and final price after a percentage discount.
Age CalculatorCalculate your exact age in years, months and days.
Date Difference CalculatorFind the number of days and weeks between two dates.
Loan CalculatorEstimate monthly loan payments, total repayment and total interest.
Interest CalculatorCalculate simple or compound interest on a principal amount.
VAT CalculatorAdd VAT to a net amount or extract VAT from a VAT-inclusive price.
Profit Margin CalculatorCalculate profit, margin percentage and markup from cost and selling price.
Fuel Cost CalculatorEstimate trip fuel usage and cost from distance, consumption and fuel price.
Grade Average CalculatorCalculate a weighted grade average using scores and credits.
Word CounterCount words, characters, sentences and estimated reading time instantly.