Finance
How Many Days Old Am I? Count Your Exact Age in Days
Find out exactly how many days old you are — and why it is not just your age times 365. Count leap days, weeks and fun milestones.
AZ Utils Editorial · · 7 min read
#Calculators
Everything tagged Calculators.
Finance
Calculate Age From Date of Birth: 3 Easy Methods
How to calculate age from a date of birth three ways — an online tool, manual subtraction and the DATEDIF spreadsheet formula — with examples.
AZ Utils Editorial · · 8 min read
Finance
Age Calculator for School Admission: Check the Cut-Off Date
Use an age calculator to confirm your child meets the school admission age as of the cut-off date — with examples of who qualifies and who misses out.
AZ Utils Editorial · · 7 min read
Finance
Retirement Age Calculation Guide: Find Your Exact Retirement Date
Pin down your retirement date and the years remaining — how to calculate retirement age from your date of birth and avoid off-by-one planning errors.
AZ Utils Editorial · · 8 min read
Finance
Age Difference Calculator Guide: Find the Gap Between Two Dates
How to calculate the exact age difference between two people or events — in years, months and days — and why subtracting birth years gets it wrong.
AZ Utils Editorial · · 7 min read
Finance
How to Calculate Percentage: Simple Formulas & Examples
Learn how to calculate percentage the easy way — the core formulas for "X% of Y", "X is what % of Y" and percentage change, with worked examples.
AZ Utils Editorial · · 8 min read
Finance
GST Calculator: How to Add & Remove GST (Formula + Examples)
Learn how to add and remove GST with the exact formulas, CGST/SGST/IGST split and worked examples — or do it instantly with our free GST calculator.
AZ Utils Editorial · · 10 min read
Finance
Age Calculator: How to Calculate Your Exact Age (Years, Months, Days)
How age is really calculated — leap years, month lengths and completed periods — with a worked example and a free tool that gives your exact age instantly.
AZ Utils Editorial · · 8 min read
Finance
Percentage Calculator: Formulas, Examples & How to Calculate Any %
Master the handful of percentage formulas that cover discounts, scores, tips and percentage change — with examples and a free percentage calculator.
AZ Utils Editorial · · 9 min read