➗ Math, Date & Finance

Calculators, numerics, date logic, statistics, and finance tools

Expand RRULE-based VEVENT recurrence into concrete occurrences and export them as JSON or a flattened ICS calendar

Convert decimals into simplified fractions or mixed numbers with configurable tolerance and denominator limits

Evaluate fraction expressions, simplify results, and show decimal plus mixed-number forms

Convert gigabytes to megabytes using the decimal storage standard with configurable precision

Convert megabytes to gigabytes using the decimal storage standard with configurable precision

Calculate duration, time gap, and business-day differences between two timestamps in different time zones with DST awareness

Convert kilometers per hour to miles per hour with configurable decimal precision

Convert bytes to megabytes using the decimal MB standard with configurable precision

Convert miles per hour to kilometers per hour with configurable decimal precision

Convert Fahrenheit to Celsius with configurable decimal precision

Convert Celsius to Fahrenheit with configurable decimal precision

Convert miles to kilometers with configurable decimal precision