Simple tools.
Straight answers.
Fast, free calculators, converters, date tools, time tools, and everyday utilities. Simple tools. Straight answers. No signup required.
Money
Salary Converter
Convert annual, monthly, weekly, daily, and hourly pay.
Hourly to Salary
Convert an hourly wage into annual, monthly, and weekly pay.
Mortgage Calculator
Estimate monthly mortgage principal and interest.
Loan Calculator
Estimate payments, total interest, and total loan cost.
Tip Calculator
Calculate a tip and split a restaurant bill.
Discount Calculator
Calculate sale price and savings from a percentage discount.
Math
Conversion
Date & Time
Date Calculator
Add or subtract calendar days from any date.
Days Between Dates
Count calendar days between two dates.
Business Days Calculator
Count weekdays between two dates.
Age Calculator
Calculate age in years, months, and days.
World Time
See current local time in popular cities.
Time Zone Converter
Convert a date and time between major time zones.
Online Timer
Run a countdown timer in your browser.
Online Stopwatch
Start, pause, and reset a simple stopwatch.