This calculator converts european shoe size to its english and US counterparts.

Large breed puppy weight gain recommendations

This calculator provides a fun and educational tool for people to learn and explore famous Latin quotes.

The kart racing heat grid generator is a tool designed to ensure that each racer tries each starting position/kart in random order during a kart racing event.

This online calculator recalculates quantities of ingredients for given proportions if quantity of one ingredient has changed

The Glue Solution Calculator is a handy tool that helps you calculate the exact amount of dry glue and water needed to make the glue solution of the desired strength.

Hack the three-digit code

The calculator performs the participant placement with two following conditions: 1) Each participant must start from each starting position. 2) Each participant must encounter every other participant.

Simple image map of France regions to illustrate usage of SVG image maps

This online calculator calculates how long you’ve been clean and sober down to the second.

This online calculator calculates how much time has passed since specified date and time down to the second.

This online calculator finds the commission from the sale price and the commission rate, the sale price from the commission and the commission rate, and the commission rate from the sale price and the commission

This online calculator finds the discount from the sale price and the usual price, the sale price from the discount and the usual price and the usual price from the sale price and the discount

Based on your birthday, this online calculator calculates your full retirement date, the first month you will be eligible for full Social Security retirement benefits, and the month you can apply for them.

The online calculator lists the languages spoken in a given country.

The calculator lists countries speaking a given language.

Returns country or territory name by ISO code

This online calculator is a currency reference tool that provides information on the currency used in a selected country as well as obsolete currencies. It displays the name, symbol, short symbol, and effective date of the currency for the selected country.

Displays list of countries in which you can pay by the selected currency.

This online calculator adjusts the second dimension of a picture/video, given the new first dimension, keeping the original proportions