Loan Calculator
Loan principal, term in years, and annual interest rate inputs; Equal principal-and-interest repayment
QueryLookups & calculators
Find public information and calculate everyday quantities.
IP Address Lookup
IP geolocation lookup; Compare multiple location data sources
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Date Calculator
Difference between two calendar dates; Add or subtract days, weeks, or months from a date
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Bank Card Number Info Lookup
Look up bank card issuer prefixes and validate a local Luhn checksum
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Today in History
Notable events associated with today’s date
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Phone Number Lookup
Validate and format international phone numbers
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ZIP & Postal Code Lookup
Look up public postal codes and North American telephone area codes
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Currency Exchange Calculator
Currency exchange rate lookup; Currency amount conversion
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What to Eat Today?
Find a random meal suggestion from customizable meal categories
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Blood Type Inheritance Chart
Reference chart for blood type inheritance patterns
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Standard Box Size Calculator
Suggest carton dimensions for packaging
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Paper Size Lookup
A0–A10 dimensions in millimeters; B0–B10 dimensions in millimeters
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CIDR Calculator
IPv4 CIDR/subnet details; CIDR-to-address-range reference
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Keyboard Symbols Reference
English names for keyboard symbols
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Size Chart
Clothing size reference; Pants size reference
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Tech Terms Pronunciation
Pronunciation reference for computing terms
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Holiday Schedule
Public holiday arrangement reference
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Name Generator
Generate English baby names with surname, birth time, fixed letters and personalized filters
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