International and Specialist
VAT, customs, sizing and other specialist calculators for international and everyday niche needs.
VAT Calculator
Add or remove VAT from an amount at any rate.
Import Duty & Customs Calculator
Estimate customs duty, tax and total landed cost for imported goods.
Currency Converter
Convert between 56 world currencies using live exchange rates, or enter your own rate manually.
Zakat Calculator
Calculate Zakat due (2.5%) on qualifying wealth above the nisab threshold.
Precious Metal Purity & Value Calculator
Calculate the pure metal weight and value of gold or silver by purity.
International Size Converter
Convert shoe and clothing sizes between US, UK and EU systems.
Recipe Converter & Scaler
Convert cooking measurements and scale recipes by serving size.
Body Frame Size Calculator
Determine your body frame size (small, medium, large) from height and wrist size.
Numerology Calculator
Find your life path number and name number using Pythagorean numerology.
Chinese Zodiac Calculator
Find your Chinese zodiac animal and element from your birth year.
Western Zodiac Sign Calculator
Find your western (astrological) zodiac sign from your birth date.
Biorhythm Calculator
Calculate your physical, emotional and intellectual biorhythm cycles.
Hijri Calendar Converter
Convert a Gregorian date to the Islamic (Hijri) calendar date.
Passport Photo Size Calculator
Find the required passport photo dimensions for different countries.
Paper Size Converter
Convert standard paper sizes (A4, Letter, Legal) between mm, inches and pixels.
International Shipping Cost Calculator
Estimate international shipping cost using actual and volumetric weight.
Credit Card Number Validator
Check if a card number passes the Luhn checksum and identify its network.
IBAN Validator
Check if an IBAN passes the mod-97 checksum.
Letter Grade Converter
Convert a percentage score to a US letter grade and GPA points.