Math Tools

Powerful mathematical calculators and converters for everyday calculations.

Percentage Calculator

Calculate percentages, increases, decreases, and percent changes easily.

Open Tool

Find and simplify ratios, solve proportions, and compare quantities.

Open Tool

Convert fractions to decimals and decimals to fractions instantly.

Open Tool

Convert numbers to and from scientific notation format.

Open Tool

Convert between binary, decimal, octal, and hexadecimal number systems.

Open Tool

Convert between Roman numerals and Arabic numbers.

Open Tool

Calculate exact age from birthdate with years, months, days breakdown.

Open Tool

Calculate days, weeks, months, and years between two dates.

Open Tool

Convert times between different time zones around the world.

Open Tool

Calculate monthly payments, total interest, and amortization schedules.

Open Tool