Everyday calculators that give instant, accurate answers
Our free online calculators handle the maths people do every day: working out an exact age, a percentage change, a sale discount, a monthly loan instalment or a semester GPA. Every calculator shows the answer as you type, explains the formula and gives a worked example, so you can check the result yourself.
The most used are the Percentage Calculator, Age Calculator and EMI Calculator. Students rely on the GPA Calculator and CGPA Calculator, while anyone planning a loan or savings goal uses the Loan Calculator and Compound Interest Calculator. All of them are free, need no sign-up and work on any phone.
All 14 Calculators explained
Age Calculator
Find your exact age in years, months and days from your date of birth, plus the total days, weeks and hours you have lived and how long until your next birthday. Useful for forms, admissions and job applications that ask for age on a specific date.
Also known as: age calculator, calculate age from date of birth, how old am I, age in days
Percentage Calculator
Four percentage calculators on one page: X% of Y, X is what percent of Y, percentage increase or decrease, and adding or removing a percentage. Ideal for marks, discounts, salary raises and price changes.
Also known as: percentage calculator, percent calculator, percentage increase calculator, percentage decrease
Discount Calculator
Work out the final price after a percentage discount and exactly how much you save. Handles extra discounts like "flat 50% + 20% off" and adds sales tax if needed.
Also known as: discount calculator, sale price calculator, percent off calculator, price after discount
BMI Calculator
Calculate your Body Mass Index in metric or imperial units, see your WHO category (underweight, healthy, overweight or obese) and the healthy weight range for your height.
Also known as: BMI calculator, body mass index calculator, BMI chart, healthy weight for my height
Loan Calculator
See your monthly loan payment, total interest and payoff date, with a yearly and monthly amortization schedule. Works for personal, car, home and business loans.
Also known as: loan calculator, monthly payment calculator, amortization schedule, loan repayment calculator
EMI Calculator
Calculate the Equated Monthly Installment (EMI) for car, bike, home and personal financing, including down payment. Shows total markup and a year-by-year schedule, so you can compare bank offers.
Also known as: EMI calculator, car loan calculator Pakistan, car financing calculator, home loan EMI calculator
Salary Calculator
Convert any salary between hourly, daily, weekly, bi-weekly, monthly and yearly amounts, and see take-home pay after a deduction percentage. Handy for comparing job offers.
Also known as: salary calculator, annual salary calculator, monthly to yearly salary, hourly to annual salary
Compound Interest Calculator
See how savings grow when interest is added to interest. Add a starting amount and monthly deposits, choose how often interest is compounded, and get a year-by-year growth table.
Also known as: compound interest calculator, savings calculator, investment calculator, future value calculator
Profit Margin Calculator
Find gross profit, margin and markup from cost and selling price, or work out the selling price you need for a target margin or markup. Essential for pricing products.
Also known as: profit margin calculator, margin calculator, markup calculator, gross margin formula
GPA Calculator
Calculate your semester GPA from course credit hours and letter grades on the HEC Pakistan or US 4.0 scale, and update your cumulative CGPA in the same step.
Also known as: GPA calculator, semester GPA calculator, GPA calculator 4.0 scale, HEC GPA calculator
CGPA Calculator
Combine all your semester GPAs and credit hours into a cumulative CGPA, and see an approximate percentage and division for job and admission forms.
Also known as: CGPA calculator, cumulative GPA calculator, CGPA to percentage, CGPA calculator Pakistan
Date Difference Calculator
Count calendar days, weeks, months, years and business days between any two dates, with an option to include the end date for contracts and leave.
Also known as: date difference calculator, days between dates, how many days between two dates, date duration calculator
Time Calculator
Add or subtract hours, minutes and seconds, find how long it is between two clock times (including overnight shifts) and work out what time it will be after a duration.
Also known as: time calculator, add time calculator, hours and minutes calculator, time duration calculator
Date Calculator (Add or Subtract Days)
Add or subtract days, weeks, months, years or working days from any date, with quick buttons for 30, 60 and 90 days from today.
Also known as: date calculator, add days to date, subtract days from date, 90 days from today
Choosing the right calculator
Money and finance
Use the Loan Calculator or EMI Calculator for instalments, the Compound Interest Calculator for savings growth, the Salary Calculator for pay breakdowns and the Profit Margin Calculator for pricing.
Health
The BMI Calculator checks body mass index with Asian cut-offs and a healthy weight range.
School and university
The GPA Calculator and CGPA Calculator use the HEC 4.00 scale; the Percentage Calculator turns marks into percentages.
Dates and time
The Age Calculator, Date Difference Calculator, Date Calculator (Add or Subtract Days) and Time Calculator answer every "how long" question.
Why use our calculators?
- Instant results that update as you type
- Formulas and worked examples on every page
- Pakistani defaults such as PKR, HEC grading and marla, with international options
- No sign-up, no limits, nothing stored on a server
- Fast and easy to use on mobile
Frequently asked questions
Are these calculators free?
Yes. Every calculator is free with no sign-up and no usage limit.
How accurate are the results?
They use standard formulas and full precision, then round only for display. Each page shows the formula so you can check it.
Do the calculators work on mobile phones?
Yes, every calculator is designed for small screens first.
Is my data saved anywhere?
No. Calculations run in your browser and nothing you type is sent to our servers.
Which calculator should I use for a car or home loan?
Use the EMI calculator for the monthly instalment and the loan calculator for the full amortisation schedule.
How do I calculate a percentage?
Open the percentage calculator; it covers "X% of Y", "X is what % of Y" and percentage change.
Can I calculate my exact age?
Yes, the age calculator gives years, months and days and the days to your next birthday.
Do you have calculators for students?
Yes, GPA, CGPA, percentage and grade calculators, plus a full set in our Student Tools.
Latest calculators guides
- How to Add and Subtract Time (Hours, Minutes, Seconds)
- How to Calculate Days Between Two Dates (and Weeks, Months)
- How to Calculate Profit Margin: Formula and Examples
- Compound Interest Formula Explained With Simple Examples
- Gross vs Net Salary: What You Earn and What You Take Home
- How to Calculate Discount and Sale Price (With Examples)
- What Is an Amortization Schedule? Read Your Loan Month by Month
- How to Calculate BMI: Formula, Chart and Examples