Shakeel Muzaffar

Shakeel Muzaffar is the Founder and Editor-in-Chief of MultiCalculators.com, bringing over 15 years of experience in digital publishing, product strategy, and online tool development. He leads the platform's editorial vision, ensuring every calculator meets strict standards for accuracy, usability, and real-world value. Shakeel personally oversees content quality, formula verification workflows, and the platform's commitment to publishing tools that are genuinely useful for students, professionals, and everyday users worldwide.

Birthstone Calculator

Dark mode Quick answer A birthstone calculator gives the gemstone linked to your birth month. Pick your birth date and it returns the modern birthstone, birth flower and a traditional meaning. For example, July’s birthstone …

Conversion Rate Calculator

Dark mode Quick answer A conversion rate calculator works out the share of visitors who complete a goal, using conversion rate = conversions / visitors x 100. Enter any two of conversion rate, conversions and …

CTR Calculator

Dark mode Quick answer A CTR calculator works out the click-through rate, the share of impressions that led to a click, using CTR = clicks / impressions x 100. Enter any two of CTR, clicks …

CPM Calculator

Dark mode Quick answer A CPM calculator works out the cost per thousand impressions of an ad, using CPM = cost divided by impressions, times 1000. Enter any two of CPM, cost and impressions and …

Generation Calculator

Dark mode Quick answer A generation calculator names the generation for a birth year, such as Baby Boomer, Gen X, Millennial, Gen Z or Gen Alpha. Using the common Pew Research cut-offs, someone born in …

Chinese Zodiac Calculator

Dark mode Quick answer A Chinese zodiac calculator finds your animal sign from your birth year, using the 12-year cycle of Rat, Ox, Tiger and so on. It also gives the element and whether the …

Zodiac Sign Calculator

Dark mode Quick answer A zodiac sign calculator finds your Western sun sign from your birth date. Pick your date of birth and it returns the sign, its element and its date range. For example, …

Leap Year Calculator

Dark mode Quick answer A leap year calculator tells you whether a year has 366 days. Under the Gregorian rule, a year is a leap year if it is divisible by 4, but century years …

Week Number Calculator

Dark mode Quick answer A week number calculator gives the ISO 8601 week number for a date, from 1 to 52 or 53. Weeks start on Monday and week 1 holds the year’s first Thursday. …

Day of the Week Calculator

Dark mode Quick answer A day of the week calculator tells you which weekday any date falls on. Pick a date and it returns the day, such as Monday or Saturday, along with the day …