Various calculators for dates, percentages, units, tips, and loans.
Date Calculator
Calculate the difference between two dates or add/subtract days.
Percentage Calculator
Calculate percentages, percentage increase/decrease, and more.
Unit Converter
Convert between different units of measurement (length, weight, volume, etc.).
Tip Calculator
Calculate the tip amount and total bill based on percentage.
Loan Calculator
Calculate monthly payments, total interest, and loan duration.
Compound Interest Calculator
Calculate future value of an investment with compound interest.
ROI Calculator
Calculate return on investment (ROI) based on gain and cost.
Time Zone Converter
Convert date and time between different time zones.