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Percentage CalculatorCalculate percentages, increases, decreases, and differences instantly.CalculatorsAge CalculatorFind your exact age in years, months, days, and more from your date of birth.CalculatorsWord CounterCount words, characters, sentences, and estimate reading time in real time.Text ToolsCM to Inches ConverterConvert centimeters to inches and back with precise, instant results.ConvertersKG to LBS ConverterConvert kilograms to pounds and back with precise, instant results.ConvertersTip CalculatorCalculate tip amounts, split bills, and see per-person totals instantly.CalculatorsBinary / Decimal / Hex ConverterConvert numbers between binary, decimal, hexadecimal, and octal instantly.Developer ToolsTime Zone ConverterConvert times between cities and time zones, with automatic DST handling.Date & TimePassword GeneratorGenerate strong, random passwords locally in your browser β never transmitted.Security ToolsGrade CalculatorCalculate your weighted grade or the final exam score you need to pass.Education Tools