Free Online Tools & Calculators

🧾Free Invoice GeneratorCreate professional invoices in seconds — add your business details, line items, tax and discount, then print or…Open → 🧰Freelance Hourly Rate CalculatorWork out the hourly rate you must charge to hit your income goal — factors in expenses, billable…Open → 📊Break-Even CalculatorFind exactly how many units you must sell to cover all costs — enter fixed costs, cost per…Open → 🏦Business Loan CalculatorPlan a business loan the smart way — see your monthly payment, total interest and full repayment cost…Open → 🤝Commission CalculatorWork out sales commission in seconds — enter your sales and commission rate to see exactly what you…Open → 🚀Startup Cost CalculatorAdd up everything it costs to launch — one-time setup costs plus monthly burn, with the runway months…Open →

🏗️Concrete CalculatorEstimate concrete volume for slabs, footings and walls in cubic feet and cubic meters, plus cement bags needed.Open → 🎨Paint CalculatorFind out how much paint you need — enter wall dimensions and coats to get liters required.Open → 🟧Tile CalculatorCalculate floor or wall tiles needed from room size and tile dimensions, including wastage.Open → 🧱Brick CalculatorEstimate bricks, cement and sand for walls from length, height and wall thickness.Open → 📐Square Footage CalculatorCalculate the area of any room or plot in square feet and square meters instantly.Open → 🌱Mulch CalculatorCalculate mulch needed for garden beds in cubic yards and bags from area and depth.Open → 🪨Gravel CalculatorEstimate gravel in cubic yards and tons for driveways, paths and landscaping.Open → 🛣️Asphalt CalculatorEstimate hot-mix asphalt tonnage for driveways and parking areas.Open → 🪵Flooring CalculatorCalculate laminate or hardwood planks and boxes needed for any room.Open → 🧱Drywall CalculatorFind how many 4×8 drywall sheets you need for walls and ceilings.Open → 🖼️Wallpaper CalculatorCalculate wallpaper rolls needed from wall dimensions minus doors and windows.Open → 🪧Fence CalculatorEstimate pickets, posts and rails for a wooden privacy fence.Open → 🏡Deck Board CalculatorCalculate deck boards and fasteners for your deck build.Open → 🏠Roofing Shingle CalculatorEstimate roofing squares and shingle bundles from roof size and pitch.Open → 🏘️Siding CalculatorEstimate siding squares needed for house walls minus openings.Open →

💳EMI / Loan CalculatorCalculate monthly loan payments (EMI), total interest and total payable for any loan.Open → 🏠Mortgage CalculatorPlan home financing — enter property price, down payment, rate and years to see monthly payments.Open → 📈Compound Interest CalculatorSee how your savings grow with compound interest over time.Open → 💰Simple Interest CalculatorCalculate simple interest and total amount for loans and deposits.Open → 🏷️Discount CalculatorFind sale prices fast — enter the original price and discount percent.Open → 💵Salary CalculatorConvert between monthly, annual, weekly and daily salary in one click.Open → 📊SIP CalculatorCalculate SIP returns — see how monthly investments grow with compound returns over time.Open → 🏧SWP CalculatorPlan regular withdrawals from your investments — see total withdrawn and remaining balance.Open → 🏦FD CalculatorCalculate fixed deposit maturity value and interest earned for any tenure and rate.Open → 🔁RD CalculatorFind the maturity value of a recurring deposit from monthly installments, rate and tenure.Open → 🧾GST CalculatorAdd or remove GST from any amount — instant GST breakup for billing and invoices.Open → 🎁Gratuity CalculatorEstimate your gratuity payout from basic salary and years of service.Open → 🌅Retirement CalculatorFind out how much your monthly savings can grow into by retirement age.Open → 🏠Home Loan EMI CalculatorCalculate monthly EMI, total interest and total cost of your home loan instantly.Open → 🚗Auto Loan CalculatorPlan car financing — enter vehicle price, down payment, rate and tenure for monthly payments.Open → 🤝Personal Loan CalculatorCheck EMI and total interest for any personal loan before you borrow.Open → 💹ROI CalculatorMeasure return on investment as a percentage from amount invested and final value.Open → 🎈Inflation CalculatorSee how inflation eats purchasing power — project future costs of anything over time.Open → 📈CAGR CalculatorCompute Compound Annual Growth Rate from starting value, ending value and years.Open → 💁Tip CalculatorSplit restaurant bills fairly — calculate tip, total and per-person share in seconds.Open → 📑Amortization CalculatorSee monthly payments plus a year-by-year principal vs interest breakdown.Open → 🔮Future Value CalculatorProject what a lump sum grows to with compound interest.Open → 💵Present Value CalculatorFind what a future amount is worth in today’s money.Open → 🎯Savings Goal CalculatorFind the monthly saving needed to reach any money goal.Open → 💰Pay Raise CalculatorSee your new salary and annual increase from any raise percent.Open → ⏰Salary to Hourly CalculatorConvert annual salary to hourly, weekly and monthly pay.Open → 🌙Overtime Pay CalculatorCalculate overtime earnings at time-and-a-half rates.Open → 🧾Sales Tax CalculatorAdd or remove sales tax from any price instantly.Open → 💹Margin CalculatorFind profit margin and markup from cost and selling price.Open → 📋Budget CalculatorList your expenses and see what is left of your income each month.Open → 📉Stock Average CalculatorAverage down correctly — find your new average buy price.Open → 🅿️PayPal Fee CalculatorSee PayPal fees deducted and what you actually receive.Open → 🧰Pakistan Income Tax CalculatorCalculate your income tax under FBR salary slabs for 2025-26 — see annual tax, monthly deduction and take-home…Open → 🧰Zakat CalculatorCalculate your Zakat at 2.5% on cash, gold, silver and investments after subtracting debts. Simple, private and free…Open → 🧰Rent vs Buy CalculatorCompare the true cost of buying a home with a mortgage against renting over the same period. See…Open → 🧰Debt Payoff CalculatorFind out how long it takes to clear a loan or credit card balance and how much interest…Open → 🧰Take-Home Paycheck CalculatorSee exactly what lands in your account each payday — enter gross pay, tax rate and deductions for…Open → 🧰Emergency Fund CalculatorFind your emergency fund target from monthly expenses — choose 3, 6 or 9 months of cover and…Open →

⚖️BMI CalculatorCheck your Body Mass Index and see which weight category you fall into.Open → 🔥Calorie (BMR) CalculatorEstimate daily calorie needs from age, gender, height, weight and activity level.Open → 🎂Age CalculatorFind your exact age in years, months and days from your date of birth.Open → 🤰Pregnancy CalculatorTrack pregnancy week by week — enter LMP date to get due date, weeks pregnant and trimester.Open → 🌸Ovulation CalculatorFind your fertile window, ovulation day and next expected period from cycle details.Open → 📏Body Fat CalculatorEstimate body fat percentage with the U.S. Navy tape-measure method.Open → 🎯Ideal Weight CalculatorFind your healthy weight range from height and gender using standard formulas.Open → 🍗Protein CalculatorFind your daily protein target from body weight and fitness goal.Open → 💧Water Intake CalculatorFind how much water you should drink daily based on weight and activity.Open → 😴Sleep CalculatorWake up refreshed — find the best bedtimes based on 90-minute sleep cycles.Open → 🔥TDEE CalculatorFind your Total Daily Energy Expenditure and calorie targets for cutting or bulking.Open → ⚖️Weight Loss CalculatorPlan safe weight loss — daily calorie deficit from your goal and timeline.Open → 🏋️One Rep Max CalculatorEstimate your 1RM from any lift plus training percentages.Open → 🏃Running Pace CalculatorConvert race time and distance to pace per km and speed.Open → 🔥Calories Burned CalculatorEstimate calories burned for walking, running, cycling, swimming and lifting.Open → 📏Waist to Hip Ratio CalculatorCheck WHR and what it says about health risk.Open → 🍺BAC CalculatorEstimate blood alcohol content from drinks, weight and time. For awareness only.Open → 👶Child Height PredictorPredict a child’s adult height from parents’ heights.Open →

％Percentage CalculatorSolve any percentage problem — what is X% of Y, X is what % of Y, and percentage…Open → 🔢Basic CalculatorA clean online calculator for everyday arithmetic with keyboard support.Open → 📅Date Difference CalculatorCount days, weeks and months between any two dates.Open → 🔬Scientific CalculatorAdvanced online scientific calculator — trigonometry, logarithms, powers, roots and more.Open → ➗Fraction CalculatorAdd, subtract, multiply and divide fractions — answers simplified automatically.Open → 📉Average CalculatorFind mean, median, mode, sum and range of any set of numbers instantly.Open → 🎓Grade CalculatorConvert marks to percentage and letter grade in one click.Open → ❗Factorial CalculatorCompute n! instantly for any number from 0 to 170.Open → 🔢Prime Number CheckerCheck if any number is prime and find its smallest factor.Open → 🔗LCM CalculatorFind the least common multiple of two numbers.Open → ✂️GCF CalculatorFind the greatest common factor of two numbers.Open → 🏛️Roman Numeral ConverterConvert numbers to Roman numerals and Roman numerals back to numbers.Open → 💻Binary ConverterConvert decimal numbers to binary and binary back to decimal.Open → 📐Quadratic Equation SolverSolve ax² + bx + c = 0 and see the discriminant and roots.Open → 📈Slope CalculatorFind the slope and equation of a line from two points.Open → ⭕Circle CalculatorGet area, circumference and diameter from the radius of a circle.Open → 🔺Triangle Area CalculatorCalculate the area of a triangle from base and height.Open → 📦Volume CalculatorFind the volume of a box, cylinder or sphere.Open → 🔬Scientific Notation ConverterConvert numbers to scientific notation and back.Open → 🖥️Aspect Ratio CalculatorSimplify width:height to its simplest ratio like 16:9.Open → 📊Percentage Increase CalculatorFind the percent increase or decrease between two numbers.Open → 🎓GPA CalculatorCalculate your GPA from course credits and letter grades.Open → ⚖️Ratio CalculatorSolve missing values in proportions and simplify any ratio.Open →

🔄Unit ConverterConvert length, weight and temperature units instantly — feet to meters, kg to pounds and more.Open → 🎲Random Number GeneratorGenerate random numbers between any minimum and maximum — great for draws and games.Open → ❤️Love CalculatorJust for fun — enter two names and discover your love compatibility score!Open → 🔐Password GeneratorCreate strong, random passwords — choose length and character types. Generated privately in your browser.Open → 🎲Dice RollerRoll virtual dice — any number of dice with any number of sides, perfect for board games.Open → ⛽Fuel Cost CalculatorEstimate trip fuel cost from distance, mileage and fuel price — plan road trips better.Open → 🕐Time Card CalculatorAdd up work hours from clock-in/out times, one per line.Open → ⏱️Time Duration CalculatorFind the exact duration between two times.Open → ⏳Countdown TimerLive countdown to any date — birthdays, exams, launches and events.Open → 🪙Coin FlipFlip a virtual coin — heads or tails with a running tally.Open → 📝Word CounterCount words, characters, sentences and reading time as you type.Open → 🎰Random Name PickerPaste a list of names and pick a random winner for draws and teams.Open → 👟Shoe Size ConverterConvert shoe sizes between US, UK and EU systems.Open → 📅Day of the Week CalculatorFind what weekday any date falls on — past or future.Open → 🧰AC Tonnage CalculatorFind the right air conditioner size for any room — enter dimensions and sun exposure to get BTU…Open → 🧰Solar Panel Savings CalculatorEstimate the solar system size you need, how many panels it takes, the installation cost and how many…Open → 🧰Bill Split CalculatorSplit any restaurant or shared bill fairly — add tax and tip percentages and divide evenly between everyone…Open →

🥚Palworld Breeding CalculatorFind out which Pal you get from any two parents — or pick the Pal you want and…Open → 🖱️Mouse Sensitivity Converter & eDPI CalculatorConvert your mouse sensitivity between Valorant, CS2, Apex Legends, Overwatch 2, Fortnite and more — with eDPI and…Open → 🗺️Palworld Breeding Path FinderPick a Pal you already have and the Pal you want — the path finder works out the…Open → 🌠Genshin Impact Pity CalculatorWork out your real chance of pulling the featured 5★ with the pulls you have — for Genshin…Open → ⭕Minecraft Circle GeneratorGenerate perfect block circles, filled discs and hollow spheres for Minecraft — see the exact grid to copy…Open → 👁️FOV Calculator & ConverterConvert field of view between horizontal, vertical and diagonal for any aspect ratio — match your FOV across…Open → 🧬Palworld Passive Inheritance CalculatorFind the odds that a baby Pal inherits the passive skills you want — and how many eggs…Open → ✨Minecraft XP CalculatorCalculate exactly how much XP you need between any two levels in Minecraft — plus how many Bottles…Open → 🌀Minecraft Nether Portal CalculatorConvert coordinates between the Overworld and the Nether with the 8:1 travel ratio — build your portals in…Open → ⚔️OSRS XP CalculatorWork out how much XP is left to your next Old School RuneScape goal — enter your current…Open → ⏱️Palworld Egg Incubation CalculatorCalculate exactly how long a Palworld egg takes to hatch from its size, your world's PalEggDefaultHatchingTime setting and…Open → 🍰Palworld Cake CalculatorPlan your Palworld breeding sessions: enter how many eggs you want and get the exact cake count and…Open → 🖥️PC Bottleneck CalculatorCheck whether your CPU or graphics card is holding the other back — pick from 55 CPUs and…Open → 📊Palworld IV & Stat CalculatorCalculate any Pal's exact HP, Attack and Defense at any level from its IVs — or see the…Open → 🎯Palworld Capture Rate CalculatorEstimate your capture chance per sphere and how many spheres you need for a 90% chance — by…Open → 🏠Palworld Base Team PlannerFind the best Pals for every base job — ranked work suitability for all 12 jobs across 298…Open → 🌾Stardew Valley Crop Profit CalculatorWork out exactly how much gold a crop makes per tile and per season — 32 crops with…Open → 🦖ARK Taming CalculatorPlan your ARK: Survival Evolved knockout tames — exact torpor at any level for 55 creatures, preferred kibble…Open → 💥Pokémon Damage CalculatorWork out exactly how much damage a move does in Generation 9 — the real damage formula, STAB,…Open → 🧮Pokémon IV CalculatorFind the possible IV range of any Pokémon from its stats — pick the species, level and nature,…Open → 🔮Minecraft Enchantment CalculatorTwo tools in one: enchanting-table slot levels for 0–15 bookshelves with modified enchantment levels, and an exact Java…Open → 📈ARK Stat CalculatorThe Smart Breeding-style stat extractor for ARK: Survival Evolved — enter a fresh tame's or hatchling's stats and…Open → 🍎Blox Fruits Value CalculatorCheck any Blox Fruits trade before you accept it — add fruits and permanent fruits to both offers…Open →