All Calculators

Compound Interest Calculator

Calculate how your investments grow over time with compound interest.

Loan Calculator

Calculate monthly payments, total interest, and loan cost.

Mortgage Calculator

Estimate your monthly mortgage payment including taxes and insurance.

Investment Return Calculator

Calculate investment profit, total return, and annualized return over time.

Savings Calculator

See how your savings grow with regular contributions.

Debt-to-Income Ratio Calculator

Calculate your debt-to-income ratio for loan applications.

Net Worth Calculator

Calculate your total net worth from assets and liabilities.

Emergency Fund Calculator

Find out how large your emergency fund should be.

Credit Card Payoff Calculator

Calculate how long it could take to pay off your credit card and how much interest you may pay.

Inflation Calculator

See how inflation affects the value of money over time.

Budget Calculator

Create a monthly budget and track where your money goes.

Retirement Savings Calculator

Estimate how your retirement savings could grow with regular contributions and compound returns.

Stock Profit Calculator

Calculate profit or loss on a stock trade including fees.

Dividend Calculator

Calculate dividend income and yield from your portfolio.

APR Calculator

Calculate estimated APR, monthly payment, total interest, and total borrowing cost from loan terms and fees.

Interest Calculator

Calculate simple interest, total amount, interest rate, and time period.

Rule of 72 Calculator

Estimate how long it takes to double your money using the rule of 72.

FIRE Calculator

Calculate your Financial Independence Retire Early number.

Amortisation Calculator

Generate a full loan amortisation schedule.

Rent vs Buy Calculator

Compare renting versus buying a home financially.

Gold Investment Calculator

Calculate profit, loss, and return percentage on a gold investment.

Dollar Cost Averaging Calculator

Calculate how regular investments could grow over time with dollar cost averaging.

Salary to Hourly Calculator

Convert an annual salary into hourly, daily, weekly, and monthly pay.

Car Affordability Calculator

Find out exactly how much car you can safely afford without stretching your monthly budget.

Loan Comparison Calculator

Compare two or three loans side by side to find the cheapest deal and lowest total cost.

Car Lease Calculator

Calculate your monthly car lease payment and total lease cost from vehicle price and lease terms.

Pay Raise Calculator

Calculate your new salary, raise amount, percentage increase, and see exactly how much extra you'll take home.

Hourly to Salary Calculator

Quickly convert your hourly wage into a weekly, monthly, and annual salary, or calculate the exact hourly rate of a salary offer.

Overtime Pay Calculator

Calculate your extra earnings from time-and-a-half, double time, or any custom overtime rate.

Inflation-Adjusted Return Calculator

Discover the true growth of your investments by calculating your real return after inflation.

Loan Payment Calculator

Calculate monthly payments, total repayment, and total interest. Find out exactly how much a loan will cost you.

Investment Calculator

Project your future wealth, determine required contributions to hit your goals, and visualise compound growth over time.

Rental Yield Calculator

Evaluate property investments instantly. Calculate gross and net rental yields, or determine the rent needed to hit your targets.

Retirement Calculator

Estimate your retirement savings growth, calculate how much income you'll need, and see if you're on track to reach your financial goals.

CAGR Calculator

Calculate compound annual growth rate (CAGR) and annualized returns over time.

Hourly Rate Calculator

Calculate your hourly rate based on income goals, business costs, billable hours, and working weeks.

Revenue Calculator

Calculate total sales revenue, required units, or selling price to hit targets.

Contribution Margin Calculator

Calculate contribution margin, per-unit profit, and contribution ratio.

Operating Margin Calculator

Calculate operating profit (EBIT) and operating margin from revenue and costs.

Burn Rate Calculator

Calculate gross burn, net burn, and track how fast your business is spending cash.

Startup Runway Calculator

Estimate how long your business can survive based on cash and burn rate.

ROI Calculator

Calculate return on investment, profit, and annualized returns.

CAC Calculator

Calculate customer acquisition cost and evaluate marketing efficiency.

LTV Calculator

Calculate customer lifetime value and compare LTV to acquisition cost.

Markup Calculator

Calculate selling price, cost, profit, and markup percentage.

Profit Margin Calculator

Calculate profit, margin, markup, and optimal selling price.

Gross Profit Calculator

Calculate gross profit, margin, and markup from revenue and costs.

Net Profit Calculator

Calculate net profit, total expenses, and net margin.

Commission Calculator

Calculate sales commission, total earnings, and commission rates.

Break-Even Calculator

Calculate break-even units, break-even revenue, and contribution margin.

Capital Gains Tax Calculator

Calculate UK capital gains tax, taxable gain, and after-tax proceeds.

Tax Bracket Calculator

Calculate UK income tax, marginal rate, and effective tax rate.

VAT Calculator

Add or remove VAT and calculate VAT amounts.

Salary After Tax Calculator

Estimate UK take-home pay, income tax, National Insurance, and net salary.

Federal Income Tax Calculator (US)

Estimate US federal income tax, effective tax rate, and take-home pay.

Tax Bracket Calculator (US)

Estimate your US federal tax bracket, taxable income, federal tax, and effective tax rate.

Itemized vs Standard Deduction Calculator (US)

Compare itemized deductions with the standard deduction to see which may save more.

Tax Withholding Calculator (US)

Estimate whether your federal tax withholding may be too high, too low, or on track.

Social Security Tax Calculator (US)

Estimate Social Security tax on wages or self-employment income.

Medicare Tax Calculator (US)

Estimate Medicare tax and Additional Medicare Tax on wages or self-employment income.

Child Tax Credit Calculator (US)

Estimate your US Child Tax Credit based on income, filing status, and qualifying children.

Crypto Tax Calculator (US)

Estimate US crypto gains, losses, and capital gains tax.

Capital Gains Tax Calculator (US)

Estimate US capital gains tax on stocks, crypto, property, and other asset sales.

Dividend Tax Calculator (US)

Estimate tax on qualified and non-qualified dividends.

Net Investment Income Tax Calculator (US)

Estimate the 3.8% Net Investment Income Tax based on investment income and MAGI.

Standard Deduction Calculator (US)

Estimate your US standard deduction and taxable income based on filing status and income.

Rental Income Tax Calculator (US)

Estimate taxable rental income and tax owed.

Bonus Tax Calculator (US)

Estimate federal bonus withholding and take-home bonus pay.

401(k) Tax Savings Calculator (US)

Estimate how 401(k) contributions may reduce taxable income and save federal tax.

IRA Contribution Tax Calculator (US)

Estimate traditional IRA tax savings and taxable income reduction.

Self-Employment Tax Calculator

Estimate self-employment tax, federal income tax, and quarterly payments for freelancers.

Payroll Tax Calculator (US)

Estimate US payroll taxes, Social Security, Medicare, federal withholding, and net pay.

Effective Tax Rate Calculator (US)

Calculate your effective tax rate from income and total tax paid.

Estimated Tax Calculator (US)

Estimate US quarterly tax payments, annual tax owed, and take-home income.

Alternative Minimum Tax Calculator (US)

Estimate US Alternative Minimum Tax (AMT).

Sales Tax Calculator (US)

Calculate US sales tax, final price, and pre-tax price.

State Tax Calculator (US)

Estimate US state income tax and take-home income.

Property Tax Calculator (US)

Estimate annual and monthly property taxes based on property value and tax rate.

BMI Calculator

Calculate your Body Mass Index using metric or imperial units.

Calorie Calculator

Estimate daily calorie needs, BMR, and TDEE based on age, height, weight, and activity level.

Water Intake Calculator

Calculate your recommended daily water intake based on weight, activity, and climate.

Body Fat Calculator

Estimate body fat percentage using the U.S. Navy body fat formula.

Ideal Weight Calculator

Find your healthy weight range using established ideal weight formulas.

Fitness Goal Calculator

Estimate how long it will take to lose weight, gain muscle, or improve fitness based on your goals.

Workout Planner

Generate a custom weekly workout plan based on your goals, experience level, and available equipment.

1 Rep Max Calculator

Estimate your one-rep max and calculate training percentages from the weight you lifted and reps completed.

Running Pace Calculator

Calculate running pace, finish time, and average speed for any running distance.

Protein Intake Calculator

Calculate daily protein needs based on body weight, activity level, and fitness goal.

Calories Burned Calculator

Calculate how many calories you burn during exercise and physical activity.

Calorie Deficit Calculator

Calculate your daily calorie deficit needed to reach your weight loss goals.

Macro Calculator

Calculate your daily macronutrient targets based on your fitness goals.

A-Level Grade Calculator

Estimate your A-Level result using marks, percentages, and assessment weightings for UK courses.

Attendance Calculator

Calculate your current attendance percentage and track how missed classes affect your academic standing.

Can I Still Pass This Course Calculator

Check whether passing your class is still mathematically possible and what average you need on remaining work.

Credits to Graduate Calculator

Calculate remaining credits, degree progress, and estimated terms left until graduation.

Exam Countdown Calculator

Find the days, weeks, hours, and minutes remaining until your exam.

Final Grade Calculator

Calculate what you need on your final exam or estimate your final course grade.

GCSE Grade Calculator

Estimate your UK GCSE grade from marks and weighted assessment components.

GPA Calculator

Calculate your US GPA from letter grades and course credits.

GPA to Percentage Converter

Convert a GPA into an estimated US percentage range and letter grade.

Grade Calculator

Calculate your current class grade from assignments, tests, quizzes, points, and weights.

Percentage to GPA Converter

Convert a percentage grade into an estimated 4.0 or 5.0 GPA and letter grade.

Required Attendance Calculator

Find how many consecutive classes you need to attend to reach a target attendance percentage.

Study Time Calculator

Break down total study hours into daily or weekly study targets.

UCAS Points Calculator

Calculate UCAS tariff points from UK qualification grades and compare them with an offer target.

UK Grades to GPA Converter

Convert GCSE, A-Level, degree, or percentage grades into an estimated US GPA equivalent.

What Grade Do I Need to Pass Calculator

Find the minimum score needed on a final exam or remaining coursework to reach your passing goal.

Concrete Calculator

Estimate concrete volume for slabs, footings, and columns in cubic yards, cubic metres, and cubic feet.

Flooring Calculator

Estimate laminate, hardwood, vinyl, or carpet needed for rooms and floor projects.

Gravel Calculator

Estimate gravel volume and weight for driveways, paths, and landscaping projects.

Paint Calculator

Estimate how much paint you need for rooms, walls, doors, windows, and multiple coats.

Paver Calculator

Estimate pavers or bricks needed for patios, paths, and driveways.

Roofing Calculator

Estimate roof area, roofing material, and shingle bundles.

Square Footage Calculator

Calculate room, floor, and wall area in square feet and square metres.

Tile Calculator

Estimate tiles needed for floors, walls, and rooms, including waste allowance.

Moving Cost Calculator

Estimate moving costs by home size, distance, moving method, extras, and likely cost range.

Percentage Calculator

Calculate percent of a number, percent change, discounts, markups, and percent difference with formula breakdowns.

Electricity Cost Calculator

Estimate daily, weekly, monthly, and yearly appliance electricity cost from watts and kWh rate.

Fuel Cost Calculator

Estimate one-way or round-trip fuel cost from distance, MPG, fuel price, and trip presets.

Age Calculator

Calculate your exact age in years, months, days, weeks, and total days lived.

Discount Calculator

Calculate the final price after applying a discount and see exactly how much you are saving.

Length Converter

Convert metric and imperial length units with quick presets and a full multi-unit breakdown.

Weight Converter

Convert kilograms, pounds, ounces, grams, stones, tonnes, and US tons with instant breakdowns.

Temperature Converter

Convert Celsius, Fahrenheit, and Kelvin with common reference points and formula-aware results.

Speed Converter

Convert km/h, mph, m/s, ft/s, and knots with presets and a multi-unit speed breakdown.

Data Storage Converter

Convert decimal and binary data storage units with byte values and side-by-side breakdowns.

Currency Converter

Convert common currencies with quick presets, inverse rates, and a multi-currency breakdown.

Add/Subtract Time Calculator

Easily add or subtract hours, minutes, and seconds from any time or date.

Time Duration Calculator

Calculate elapsed time between two times or date-times with overnight and seconds support.

Tip Calculator

Calculate tips, total bill, per-person split, and optional rounding for group meals.

Word Unscrambler

Unscramble letters and find valid words to boost your scores in word games and puzzles.

Anagram Generator

Generate exact single-word and phrase anagrams from any word or letters.

Scrabble Word Finder

Find the highest scoring words from your letters to dominate your next game of Scrabble.

Word Finder

Search the dictionary by exact pattern, length, or included letters. Perfect for crosswords and word puzzles.

Unscramble with Blanks

Find words from letters with blank tiles or wildcard letters.

Aspect Ratio Calculator

Calculate width, height, and simplified aspect ratios for images, videos, screens, and responsive designs.

Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 to readable text instantly.

CSS Clamp Calculator

Generate responsive CSS clamp() values for fluid typography, spacing, and layouts.

Color Picker & Converter

Pick colours and convert between HEX, RGB, RGBA, HSL, and HSV formats.

Flexbox Calculator

Calculate flexbox item widths, gaps, container widths, and generate CSS flex layouts.

Grid Layout Calculator

Calculate CSS grid columns, gaps, container widths, and generate grid-template-columns CSS.

HTML Encoder/Decoder

Encode text to HTML entities or decode HTML entities to readable text instantly.

Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text.

IP Address Lookup

Check IPv4, IPv6, public, private, and network details for an IP address.

JSON Formatter & Validator

Format, validate, beautify, and minify JSON data online.

REM to PX Converter

Convert rem to pixels and pixels to rem using any CSS root font size.

Random String Generator

Generate random strings, tokens, IDs, passwords, and test data.

Regex Tester

Test regular expressions online, highlight matches, and inspect capture groups.

Text Case Converter

Convert text to uppercase, lowercase, title case, camelCase, snake_case, and more.

URL Encoder/Decoder

Encode text for URLs or decode URL-encoded text instantly.

URL Parser

Parse URLs into protocol, host, path, query strings, parameters, and fragments.

UUID Generator

Generate random UUIDs and GUIDs instantly for databases, APIs, and testing.

Unix Timestamp Converter

Convert Unix timestamps to dates and dates to Unix timestamps instantly.

User Agent Parser

Parse browser user agent strings to identify browser, OS, device, and engine details.

Viewport Unit Calculator

Convert vw, vh, vmin, and vmax units into pixels from screen dimensions.

Word Counter

Count words, characters, sentences, paragraphs, and reading time instantly.

Algebra Solver

Solve simple one-variable linear equations in x and see the rearranged coefficient and constant.

Average Calculator

Calculate mean, median, mode, range, quartiles, variance, and standard deviation.

Density Calculator

Calculate density, mass, or volume with standard formulas and unit conversion.

Dilution Calculator

Calculate dilution variables using C1V1 = C2V2.

Distance Between Two Points Calculator

Calculate coordinate distance, delta x, delta y, and related line information.

Force Calculator

Calculate force, mass, or acceleration with a tabbed Newton's second law tool.

Fraction Calculator

Add, subtract, multiply, and divide stacked fractions with simplified, mixed, and decimal results.

Gas Law Calculator

Solve pressure, volume, moles, or temperature using the ideal gas law.

Kinetic Energy Calculator

Calculate kinetic energy, mass, or velocity with a focused physics tool.

Log Calculator

Calculate base logs, natural logs, and antilogs with clear formulas.

Molar Mass Calculator

Calculate molar mass from a chemical formula with element breakdowns.

Molarity Calculator

Calculate molarity, moles, or volume with chemistry formula tabs.

Mole Calculator

Convert between mass, moles, molar mass, and particles with Avogadro's number.

Normality Calculator

Calculate normality, solute mass, equivalent weight, or volume for chemical solutions.

Percentage Increase / Decrease Calculator

Calculate percent change, percent difference, and reverse percentage changes.

pH Calculator

Convert between pH, pOH, hydrogen ion concentration, and hydroxide ion concentration.

Pressure Calculator

Calculate pressure, force, or area with physics formulas and unit conversion.

Quadratic Equation Calculator

Solve quadratic equations and find real or complex roots.

Ratio Calculator

Simplify ratios, solve equivalent ratios, split totals, and compare proportional values.

Reaction Yield Calculator

Calculate percent yield, actual yield, or theoretical yield with chemistry-focused guidance.

Scientific Calculator

Use a full scientific calculator with advanced math functions, memory, history, and keyboard support.

Scientific Notation Converter

Convert between standard form, scientific notation, and E notation.

Slope Calculator

Find slope, rise, run, and the line equation between two points.

Solution Preparation Calculator

Calculate solute mass, molarity, final volume, or molar mass for solution preparation.

Speed / Distance / Time Calculator

Calculate speed, distance, or travel time using the rate formula with clear assumptions.

Standard Deviation Calculator

Calculate standard deviation, variance, mean, and related statistics.

Business Name Generator

Generate business name ideas by industry, style, keywords, and brand tone.

Coin Flip Generator

Flip a virtual coin once or many times with fair random heads or tails results.

Decision Helper Generator

Compare options with weighted criteria and generate a practical decision suggestion.

Domain Name Generator

Generate domain name ideas from keywords, brand style, extensions, and length preferences.

Email Signature Generator

Create a professional email signature with contact details, role, company, and social links.

Fantasy Name Generator

Generate fantasy character, place, guild, kingdom, or creature names by style.

Invoice Number Generator

Generate sequential invoice numbers with prefixes, dates, padding, and batch export.

Lottery Combination Generator

Generate random lottery number combinations with main numbers and optional bonus balls.

Passphrase Generator

Generate strong memorable passphrases using word count, separators, numbers, and casing options.

Raffle Picker Generator

Pick random raffle winners from a list of entries with optional duplicate handling.

Random Date Generator

Generate random dates within a custom range, with weekday filters and batch output.

Random Dice Roller

Roll virtual dice with custom sides, quantity, modifiers, history, and total results.

Random Number Generator

Generate random numbers within a custom range, with quantity, decimals, uniqueness, and sorting.

Random Picker Generator

Pick one or more random items from a custom list, with optional weights and no-repeat mode.

Random Team Generator

Split names into random teams by team count or team size, with balanced groups.

Random Word Generator

Generate random words by theme, length, part of speech, and quantity.

Spinner Wheel Generator

Create a custom spinning wheel to randomly choose names, tasks, prizes, or decisions.

Username Generator

Generate username ideas from keywords, tone, length, numbers, and separator options.

WiFi QR Code Generator

Generate a WiFi QR payload and printable QR-style card from network details.

Yes or No Generator

Generate a quick yes, no, or maybe answer for lightweight decisions.

YouTube Channel Name Generator

Generate YouTube channel name ideas by niche, audience, tone, and content style.

Alcohol Units Calculator

Calculate drink units and pure alcohol content from volume and ABV.

Birthday Calculator

Discover the day of the week you were born, calculate your exact age down to the day, and count down to your next birthday.

Carbon Footprint Calculator

Estimate annual CO2 emissions from driving, flights, diet, and home energy use.

Coffee Intake Calculator

Estimate daily caffeine intake from coffee, tea, energy drinks, and soft drinks.

Commute Cost Calculator

Estimate daily, weekly, monthly, and yearly commuting costs.

Daily Habit Tracker Calculator

Score daily habit completion and estimate routine consistency.

Daily Routine Planner

Build a structured daily routine with wake time, bedtime, and time blocks.

Digital Detox Calculator

Measure screen overload and plan realistic reductions to reclaim time.

Due Date Calculator

Calculate an estimated pregnancy due date, weeks pregnant, and trimester.

Grocery Budget Calculator

Estimate weekly, monthly, and yearly food spending by household size.

Life Expectancy Calculator

Estimate lifespan from age, sex, smoking status, and exercise frequency.

Love Compatibility Calculator

Calculate a fun compatibility score from two names.

Meal Cost Calculator

Calculate recipe cost, cost per serving, and batch cost from ingredients.

Name Numerology Calculator

Find a name number using the Pythagorean numerology letter system.

Personality Score Calculator

Take a quick personality quiz and get a fun trait summary.

Pet Age Calculator

Convert dog or cat age into estimated human years and life stage.

Productivity Score Calculator

Measure focus, task completion, and execution with a simple productivity score.

Screen Time Calculator

Estimate daily, weekly, monthly, and yearly screen time totals.

Sleep Calculator

Find bedtime or wake-up times using 90-minute sleep cycles.

Time Between Dates Calculator

Calculate days, weeks, months, years, hours, and minutes between two dates, with inclusive counting.

Travel Budget Calculator

Estimate total trip cost, per-person cost, and daily vacation budget.

Work Hours Calculator

Calculate shift duration, unpaid breaks, paid hours, weekly hours, and estimated gross pay.