All tools
479 tools available
BTU Calculator
Estimate the BTU heating/cooling capacity needed for a room.
Roofing Calculator
Estimate roofing squares and shingle bundles needed from roof dimensions.
Ovulation Calculator
Estimate your next ovulation date and fertile window from your cycle.
Random Phone Number Generator
Generate correctly-formatted fake phone numbers for testing — US, UK, India & more.
Mean Calculator
Quickly calculate the arithmetic mean of a list of numbers.
Amortization Schedule Calculator
Generate a full month-by-month loan amortization schedule.
35 Minutes From Now
Find out the exact date and time 35 minutes from now, live-updating — plus a general calculator for any number of minutes, hours, days, weeks, months, or years.
18 Days Ago
Find out the exact date and time 18 days ago, live-updating — plus a general calculator for any number of minutes, hours, days, weeks, months, or years.
3 Years Ago
Find out the exact date and time 3 years ago, live-updating — plus a general calculator for any number of minutes, hours, days, weeks, months, or years.
70 Years Ago
Find out the exact date and time 70 years ago, live-updating — plus a general calculator for any number of minutes, hours, days, weeks, months, or years.
31 Days Ago
Find out the exact date and time 31 days ago, live-updating — plus a general calculator for any number of minutes, hours, days, weeks, months, or years.
Fraction Calculator
Add, subtract, multiply or divide two fractions with simplified results.
42 Weeks From Today
Find out the exact date and time 42 weeks from today, live-updating — plus a general calculator for any number of minutes, hours, days, weeks, months, or years.
55 Days From Today
Find out the exact date and time 55 days from today, live-updating — plus a general calculator for any number of minutes, hours, days, weeks, months, or years.
Binary Translator (Text ⇄ Binary)
Convert text to binary and binary back to text instantly.