All calculators
Every tool on Pakistan Calculator — 164calculators across tax, utility & energy, land, property & construction, and general math. Search below or browse by category.
General
General hub →Tax
Tax hub →Income TaxMost used
Salaried & business income tax for 2026-27 (2025-26 also available)
Sales Tax / GST
17% standard GST on goods and provincial services tax
Withholding Tax
WHT on salary, dividends, rent, services, contracts and more
Property Tax
Annual property tax on residential and commercial property
Rental Income Tax
Section 155 tax on rental income for landlords and companies
Capital Gains Tax
CGT on immovable property and securities
Customs Duty
Import duty, additional customs duty, and regulatory duty
Advance Tax (Vehicle)
Annual advance tax on motor vehicles by engine capacity
Super Tax
Super tax on high-income individuals and companies
Freelancer TaxIT exports
IT export / freelancer income tax with reduced rates
Vehicle RegistrationProvincial
Provincial registration fee & annual token tax by province
Professional TaxProvincial
Annual provincial tax for individuals, professionals & companies
Stamp DutyProvincial
Property transfer stamp duty & registration fee by province
Agricultural Income TaxProvincial
Provincial tax on agricultural income across all 4 provinces
Salary CalculatorMost used
Real take-home pay after tax, EOBI, and provident fund
Salary Slip Generator
Printable payslip, generated entirely in your browser
Gratuity Calculator
Gratuity amount and tax exemption by scheme type
EOBI Pension Calculator
Estimated monthly pension from insurable years and wage
Filer vs Non-Filer
What non-filer status really costs you per year
Tax Year Comparison
Compare tax liability across every year this site tracks
Reverse Sales Tax
Extract the GST already included in a total price
NTN Registration Guide
How to get your National Tax Number from FBR — free, online, step by step
Utility & Energy
Utility & Energy hub →Electricity Bill CalculatorMost used
NEPRA tariff, the protected-status cliff, current QTA/FPA, duty and GST
Appliance Electricity Calculator
See which appliances are actually driving your bill, in rupees
Solar System Size Calculator
Right-size a solar system for your consumption, city, and roof space
Solar Payback Calculator
Simple payback under the new net billing rules, not the old net metering rate
Generator & UPS Runtime
Battery backup runtime, battery sizing, and generator fuel cost
Energy Unit Converter
kWh, MJ, BTU, kcal, therms, and ton-hours
Land, Property & Construction
Land, Property & Construction hub →Land Area Unit ConverterMost used
Marla, Kanal, Gaz, Acre, Hectare, Murabba, Bigha, Biswa and more
Construction Cost Calculator
Neutral cost estimate by tier — no lead form, no builder referral
Property Transfer Total Cost
Stamp duty, registration, advance tax, and CGT in one place
Rental Yield Calculator
Gross and net yield — no financing, no leverage
Plot Size & Covered Area Planner
Maximum buildable area under LDA/CDA-style bylaws
Brick Calculator
Bricks needed for a wall by dimensions and thickness
Concrete Calculator
Cement, sand, and crush by mix ratio
Steel Quantity Calculator
Rebar weight by bar size, length, and count
Tile Calculator
Tiles needed by area, size, and wastage
Paint Calculator
Litres needed by wall area, coats, and coverage rate
Plaster Calculator
Cement and sand for plastering by area and thickness
Water Tank Calculator
Capacity in litres/gallons, with a household-size guideline
Roof Slab Calculator
Slab concrete and steel by area and thickness
Education
Education hub →University Merit / Aggregate CalculatorMost used
Your admission aggregate for NUST, FAST, UET, GIKI, PIEAS, and more
MDCAT Aggregate Calculator
MBBS/BDS aggregate for King Edward, Dow, Allama Iqbal, and NUMS
Matric / Inter Percentage & Grade
Convert marks to percentage and grade under the current nationwide scale
GPA / CGPA Calculator
Semester GPA, cumulative CGPA, and the GPA you need next semester
Attendance Calculator
How many classes you can skip, or must attend, to hit your requirement
Marks Needed Calculator
The average you need in remaining papers to reach a target aggregate
Islamic
Islamic hub →Zakat CalculatorMost used
Calculate zakat on cash, gold, silver, and investments
Islamic Inheritance (Faraid) Calculator
How an estate divides among heirs under classical Hanafi law
Ushr Calculator
Zakat on agricultural produce — 10% or 5% by irrigation method
Fitrana, Fidya & Kaffara Calculator
Sadaqat al-Fitr, missed-fast compensation, and fast-breaking expiation
Qurbani Share Calculator
Cost per share and meat distribution for Eid al-Adha sacrifice
Hijri Date Converter
Convert between Hijri and Gregorian dates — fully offline
Islamic Age Calculator
Your age in Hijri (lunar) years
Mahr Present-Value Calculator
Restate a deferred mahr in today's terms — gold or CPI basis
Hajj & Umrah Budget Planner
Itemize costs and get a simple monthly savings target
Vehicle & Transport
Vehicle & Transport hub →Token Tax & Vehicle Registration CalculatorMost used
Annual provincial token tax plus the federal Section 234 withholding tax
Fuel Cost & Trip Cost Calculator
Fuel cost for any trip, by city pair or a distance you enter yourself
CNG vs Petrol vs EV Running Cost Comparison
Cost per km across fuel types, plus simple conversion-kit payback
Vehicle Depreciation Calculator
Straight-line and reducing-balance value decay, year by year
Mileage & Fuel Average Calculator
km/l, l/100km, and cost per km, with tank-to-tank tracking
Tools & Health
Tools & Health hub →Currency ConverterMost used
PKR to USD, Saudi Riyal, UAE Dirham, and 30+ other currencies at live mid-market rates
Age CalculatorMost used
Exact age in years, months, and days, plus Hijri age and next birthday
Date Difference Calculator
Days, weeks, months, and years between two dates
Date Add/Subtract Calculator
Add or subtract days, weeks, months, or years from a date
Working Days Calculator
Business days excluding weekends and Pakistan's public holidays
CNIC Info & Renewal Reminder
Decode the gender digit, and a renewal reminder from your issuance date
BMI CalculatorMost used
WHO standard plus South Asian-specific classification
Ideal Weight Calculator
Devine, Robinson, and Hamwi formulas, plus a South Asian range
Calorie / TDEE Calculator
BMR (Mifflin-St Jeor) and daily calorie needs by activity level
Body Fat Calculator
US Navy circumference method — no scale needed
Water Intake Calculator
Daily water needs adjusted for activity and Pakistan's heat
Pregnancy Due Date Calculator
Estimated due date, current week, trimester, and Hijri date
BMR Calculator
Basal Metabolic Rate — calories burned at complete rest (Mifflin-St Jeor)
Macro Calculator
Protein, carb, and fat grams from your daily calorie target
Protein Calculator
Daily protein target range in grams, by body weight and activity level
Carbohydrate Calculator
Daily carbohydrate target range in grams, from your calorie intake
Fat Intake Calculator
Daily dietary fat target range in grams, from your calorie intake
Calories Burned Calculator
Estimate calories burned by activity, weight, and duration (MET method)
Target Heart Rate Calculator
Training heart rate zones from age and resting heart rate (Karvonen method)
One Rep Max Calculator
Estimated 1RM from a lifted weight and rep count (Epley & Brzycki)
Lean Body Mass Calculator
Estimated lean body mass and fat mass (Boer formula)
Pace Calculator
Running/cycling pace (min/km) and speed (km/h) from distance and time
Ovulation Calculator
Estimated ovulation date and fertile window from your last period
Period Calculator
Predicted next 6 period start dates from your last period
Pregnancy Weight Gain Calculator
Recommended total pregnancy weight gain range by pre-pregnancy BMI
Conception Date Calculator
Estimated conception date worked backward from a due date
Body Surface Area Calculator
Body surface area in m² (Mosteller and DuBois formulas) — reference only
GFR Calculator
Estimated kidney function (eGFR) — 2021 CKD-EPI creatinine equation
Body Frame Size Calculator
Small, medium, or large body frame from height and wrist circumference
Unit ConverterMost used
Length, weight (incl. tola/maund/seer), volume, temperature, speed, pressure, data
Percentage Calculator
X% of Y, percentage increase/decrease, and more
Discount Calculator
Final price and savings, including stacked discounts
Average Calculator
Mean, median, mode, min, max, and sum
Ratio Calculator
Simplify a ratio or divide a total by ratio parts
Fraction Calculator
Add, subtract, multiply, or divide fractions exactly
Bill Split Calculator
Split a bill evenly or unevenly, with tip
Number to Words (Pakistani Rupees)
Lakh/Crore style, for cheques and invoices
Roman Numeral Converter
Convert between numbers and Roman numerals
Freelancer Rate Calculator
The hourly rate you need to hit your target income
Invoice Generator
Printable itemized invoice — nothing uploaded or stored
Profit Margin Calculator
Margin, markup, and target selling price
Break-Even Calculator
Units and revenue needed to cover fixed costs
Typing Speed Test
WPM and accuracy — English and Urdu modes
Percent Error Calculator
How far a measured value is from the theoretical value
Exponent Calculator
Raise any number to any power
Root Calculator
Square root, cube root, or any nth root
Log Calculator
Logarithm to any base, including natural log
Quadratic Formula Calculator
Solve ax² + bx + c = 0 — real or complex roots
Number Base Converter
Binary, Octal, Decimal, and Hexadecimal, all at once
LCM & GCF Calculator
Least Common Multiple and Greatest Common Factor together
Factor Calculator
Every factor of a number, plus prime factorization
Rounding Calculator
Round to decimal places or significant figures
Scientific Notation Calculator
Standard ↔ scientific notation, both directions
Big Number Calculator
Arithmetic on numbers of any size, no precision loss
Matrix Calculator
Add, subtract, multiply, transpose, determinant — up to 4×4
Half-Life Calculator
Radioactive/exponential decay — solve for any variable
Random Number Generator
Random integers in any range, with or without repeats
Standard Deviation Calculator
Population and sample variance/std. deviation
Number Sequence Calculator
Arithmetic and geometric sequences — nth term and sum
Sample Size Calculator
Survey sample size from confidence level and margin of error
Probability Calculator
Single and combined-event probability
Permutation & Combination Calculator
nPr and nCr for any n and r
Z-Score Calculator
Standard deviations from the mean, plus percentile
Confidence Interval Calculator
CI for a sample mean at any confidence level
Circle Calculator
Radius, diameter, circumference, and area
Triangle Calculator
Solve any triangle from its three sides
Right Triangle Calculator
Pythagorean theorem — find the missing side or angles
Area Calculator
Square, rectangle, triangle, circle, trapezoid, parallelogram
Volume Calculator
Cube, box, cylinder, sphere, cone, pyramid
Surface Area Calculator
Cube, box, cylinder, sphere, cone
Slope Calculator
Slope and line equation from two points
Distance Between Two Points
Straight-line distance in 2D or 3D
Dharana & Khandi/Candy Calculator
Historical units with no single value — choose the textual or regional system you mean
Time Calculator
Add or subtract hours, minutes, and seconds — free duration arithmetic
Time Duration Calculator
Elapsed hours and minutes between two clock times, optionally across multiple days
Time Card Calculator
Weekly work hours from clock-in/clock-out times, with break deductions
Timezone Calculator
Convert a time between cities/timezones — useful for calls with overseas clients
Day of the Week Calculator
Find what day of the week any date falls on — past, present, or future
BTU Calculator
Right-size an air conditioner for a room — BTU and tonnage estimate
Stair Calculator
Number of steps, riser height, tread run, and stringer length for any staircase
Gravel Calculator
Volume and weight of gravel/crush needed for any area, by length, width, and depth
Height Calculator
Predict a child's adult height from both parents' heights (mid-parental method)
Density Calculator
Solve for density, mass, or volume — density = mass ÷ volume
Speed Calculator
Solve for speed, distance, or time — speed = distance ÷ time
Molarity Calculator
Solve for molarity, moles, or volume — M = moles of solute ÷ litres of solution
Molecular Weight Calculator
Calculate the molar mass of any chemical compound from its formula
Ohm's Law Calculator
Solve for voltage, current, resistance, or power — V = IR, P = VI
Resistor Color Code Calculator
Decode a 4-band resistor's color code into its resistance value and tolerance
Voltage Drop Calculator
Calculate voltage drop over a copper wire run by current, length, and gauge
IP Subnet Calculator
Network address, broadcast address, usable host range, and subnet mask from any IPv4 + CIDR
Password Generator
Generate a strong, random password — nothing sent anywhere, generated entirely in your browser
Bandwidth Calculator
Estimate file transfer/download time from file size and connection speed
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to text — instant, fully offline
URL Encoder / Decoder
Encode text/URLs for safe use in query strings, or decode a percent-encoded URL
Grade Calculator
Calculate your overall weighted grade from multiple assignments, tests, and exams
Shoe Size Converter
Convert shoe sizes between US, UK, EU, and centimetres — men's and women's tables
Sleep Calculator
Find the best bedtime or wake-up time based on 90-minute sleep cycles
Dice Roller
Roll any number of dice with any number of sides — free, instant, and genuinely random
Heat Index Calculator
Find the 'feels like' temperature from air temperature and humidity — Pakistan summer heat
Dew Point Calculator
Calculate the dew point from air temperature and relative humidity
Horsepower Calculator
Estimate horsepower from quarter-mile trap speed, or from torque and RPM
Tire Size Calculator
Compare two tire sizes — overall diameter and the speedometer error a swap would introduce