All 185 tools

Calculators

Percentage Calculator

Calculate a percentage of any number and see the substituted calculation.

Open tool → Calculators

Percentage Increase Calculator

Find how much a value increased as a percentage of the original.

Open tool → Calculators

Percentage Decrease Calculator

Calculate the percentage decrease between an original and a lower value.

Open tool → Calculators

Percentage Difference Calculator

Compare two values using percentage difference based on their average.

Open tool → Calculators

Average Calculator

Calculate the arithmetic mean of a list of numbers.

Open tool → Calculators

Ratio Calculator

Simplify a two-part ratio to its lowest whole-number terms.

Open tool → Calculators

Square Root Calculator

Find the principal square root of a non-negative number.

Open tool → Calculators

Exponent Calculator

Raise a base number to any numeric exponent.

Open tool → Calculators

Factorial Calculator

Calculate n factorial for a non-negative whole number.

Open tool → Calculators

GCF Calculator

Find the greatest common factor of two whole numbers.

Open tool → Calculators

LCM Calculator

Find the least common multiple of two whole numbers.

Open tool → Calculators

Prime Number Checker

Check whether a whole number is prime and see the result instantly.

Open tool → Calculators

Random Number Generator

Generate a cryptographically strong random whole number within a range.

Open tool → Calculators

Quadratic Equation Calculator

Solve ax² + bx + c = 0 using the quadratic formula.

Open tool → Converters

Centimeters to Inches

Convert centimeters to inches with a precise metric-to-imperial conversion.

Open tool → Converters

Inches to Centimeters

Convert inches to centimeters using the exact international inch definition.

Open tool → Converters

Feet to Meters

Convert feet to meters for height, distance, and construction measurements.

Open tool → Converters

Meters to Feet

Convert meters to feet quickly with a precise conversion factor.

Open tool → Converters

Miles to Kilometers

Convert statute miles to kilometers for travel and distance measurements.

Open tool → Converters

Kilometers to Miles

Convert kilometers to statute miles instantly.

Open tool → Converters

Kilograms to Pounds

Convert kilograms to pounds for weight and mass comparisons.

Open tool → Converters

Pounds to Kilograms

Convert pounds to kilograms using the international avoirdupois pound definition.

Open tool → Converters

Grams to Ounces

Convert grams to avoirdupois ounces for cooking and everyday measurements.

Open tool → Converters

Celsius to Fahrenheit

Convert a Celsius temperature to Fahrenheit.

Open tool → Converters

Fahrenheit to Celsius

Convert a Fahrenheit temperature to Celsius.

Open tool → Converters

Milliliters to Fluid Ounces

Convert milliliters to US fluid ounces for recipes and liquid volume.

Open tool → Converters

Cups to Milliliters

Convert US legal/standard cup volume to milliliters for recipes.

Open tool → Converters

Liters to Gallons

Convert liters to US liquid gallons.

Open tool → Converters

MB to GB

Convert decimal megabytes to decimal gigabytes.

Open tool → Converters

GB to MB

Convert decimal gigabytes to decimal megabytes.

Open tool → Converters

Hours to Minutes

Convert hours to minutes for scheduling and duration calculations.

Open tool → Converters

Minutes to Hours

Convert minutes to decimal hours.

Open tool → Money

Loan Calculator

Estimate a fixed monthly loan payment, total paid, and total interest.

Open tool → Money

Compound Interest Calculator

Calculate compound growth using a selected compounding frequency.

Open tool → Money

Simple Interest Calculator

Calculate simple interest and the final amount without compounding.

Open tool → Money

Discount Calculator

Calculate discount savings and the final sale price.

Open tool → Money

Markup Calculator

Calculate markup percentage from cost and selling price.

Open tool → Money

Margin Calculator

Calculate gross margin percentage from cost and selling price.

Open tool → Money

Profit Calculator

Calculate profit and profit margin from revenue and total cost.

Open tool → Money

Commission Calculator

Calculate commission earned from a sales amount and commission rate.

Open tool → Money

Tip Calculator

Calculate a tip and the total bill amount.

Open tool → Money

Split Bill Calculator

Split a bill and optional tip evenly between people.

Open tool → Date Time

Days Between Dates

Calculate the number of calendar days between two dates.

Open tool → Date Time

Add Days to Date

Add or subtract a number of calendar days from a date.

Open tool → Date Time

Age Calculator

Calculate age in completed years, months, and days between two dates.

Open tool → Date Time

Birthday Countdown

Find how many days remain until the next birthday.

Open tool → Date Time

Unix Timestamp Converter

Convert Unix seconds since 1970-01-01 UTC into a readable date and time.

Open tool → Text Tools

Word Counter

Count words in text locally in your browser.

Open tool → Text Tools

Character Counter

Count characters with and without spaces.

Open tool → Text Tools

Reading Time Calculator

Estimate reading time from word count and reading speed.

Open tool → Text Tools

Speaking Time Calculator

Estimate speaking time for a script, speech, or presentation.

Open tool → Text Tools

Case Converter

Convert text to uppercase, lowercase, title case, or sentence case locally.

Open tool → Text Tools

Remove Duplicate Lines

Remove repeated lines while preserving the first occurrence.

Open tool → Text Tools

Sort Lines

Sort lines alphabetically in ascending or descending order.

Open tool → Text Tools

Reverse Text

Reverse the character order of text locally.

Open tool → Text Tools

Slug Generator

Create a lowercase URL slug from words and punctuation.

Open tool → Text Tools

Extract Emails

Extract unique email-like addresses from pasted text.

Open tool → Text Tools

Extract URLs

Extract unique HTTP and HTTPS URLs from pasted text.

Open tool → Generators

Password Generator

Generate a random password locally using the browser cryptography API.

Open tool → Generators

UUID Generator

Generate a UUID v4 locally in supported browsers.

Open tool → Real Estate

Mortgage Calculator

Estimate monthly mortgage principal and interest plus optional property tax, insurance, and monthly service fees.

Open tool → Real Estate

Mortgage Overpayment Calculator

Estimate how additional monthly mortgage payments can shorten payoff time and reduce interest.

Open tool → Real Estate

Home Affordability Calculator

Estimate a property budget from income, debts, a debt-to-income limit, financing assumptions, and available down payment.

Open tool → Real Estate

Down Payment Calculator

Calculate the cash down payment and resulting mortgage amount from a property price and percentage.

Open tool → Real Estate

Rent vs Buy Calculator

Compare simplified cumulative housing cost of renting versus buying over a chosen holding period.

Open tool → Real Estate

Rental Yield Calculator

Calculate gross and net rental yield from property value, rent, and annual operating costs.

Open tool → Real Estate

Cap Rate Calculator

Calculate capitalization rate from net operating income and property value.

Open tool → Real Estate

Property ROI Calculator

Estimate property return on investment from cash invested, net income, and change in property value.

Open tool → Real Estate

Rental Cash Flow Calculator

Estimate monthly and annual rental cash flow after vacancy, operating expenses, and debt service.

Open tool → Real Estate

Property Appreciation Calculator

Project a property value using a constant annual appreciation rate.

Open tool → Real Estate

Price per Square Foot Calculator

Calculate property price per square foot.

Open tool → Real Estate

Price per Square Meter Calculator

Calculate property price per square meter.

Open tool → Real Estate

Land Area Converter

Convert land area between square meters, square feet, acres, and hectares.

Open tool → Real Estate

Acres to Hectares

Convert acres to hectares for land measurement.

Open tool → Real Estate

Hectares to Acres

Convert hectares to acres for land measurement.

Open tool → Real Estate

Square Feet to Square Meters

Convert square feet to square meters for property and floor-area comparisons.

Open tool → Real Estate

Square Meters to Square Feet

Convert square meters to square feet for property and floor-area comparisons.

Open tool → Real Estate

Property Inspection Checklist

Use an interactive checklist to review important property inspection areas before a purchase or rental decision.

Open tool → Real Estate

First-Time Buyer Checklist

Track the major steps a first-time property buyer should review from budget through closing.

Open tool → Real Estate

Property Seller Checklist

Track preparation, pricing, documentation, marketing, negotiation, and closing tasks when selling property.

Open tool → Real Estate

Rental Property Checklist

Use a practical checklist before renting a home or evaluating a rental property.

Open tool → Real Estate

Property Investment Checklist

Review the financial and operational fundamentals of a potential rental or investment property.

Open tool → Real Estate

Property Glossary

Search a concise glossary of common real-estate, mortgage, rental, and investment terms.

Open tool → Real Estate

Property Document Organizer

Create and save a browser-local checklist of property documents, their status, and notes without uploading the documents themselves.

Open tool → Real Estate

Loan-to-Value (LTV) Calculator

Calculate loan-to-value ratio for a mortgage or property-backed loan.

Open tool → Real Estate

Closing Cost Calculator

Estimate total closing costs using a percentage of price plus fixed fees.

Open tool → Real Estate

Cash-on-Cash Return Calculator

Calculate annual cash-on-cash return for a property investment.

Open tool → Real Estate

DSCR Calculator

Calculate debt service coverage ratio from net operating income and annual loan payments.

Open tool → Real Estate

Gross Rent Multiplier Calculator

Calculate gross rent multiplier as a quick property price-to-rent comparison.

Open tool → Real Estate

Vacancy Rate Calculator

Calculate vacancy rate from vacant capacity and total available capacity.

Open tool → Real Estate

Break-Even Occupancy Calculator

Estimate the occupancy rate needed for rental income to cover expenses and debt service.

Open tool → Real Estate

Seller Net Proceeds Calculator

Estimate cash proceeds remaining after mortgage payoff, commission, and other selling costs.

Open tool → Real Estate

Real Estate Commission Calculator

Calculate a real-estate commission from property sale price and commission percentage.

Open tool → Real Estate

Property Management Fee Calculator

Estimate monthly and annual property-management fees from rent plus an optional one-time fee.

Open tool → Real Estate

Property Maintenance Cost Calculator

Estimate an annual and monthly maintenance reserve using a percentage of property value plus optional fixed costs.

Open tool → Real Estate

Renovation ROI Calculator

Estimate renovation return based on project cost and change in property value.

Open tool → Real Estate

House Flip Profit Calculator

Estimate property flip profit after purchase, renovation, buying, holding, and selling costs.

Open tool → Real Estate

Prorated Rent Calculator

Calculate prorated rent for part of a month using a simple daily-rate method.

Open tool → Real Estate

Land Price Calculator

Calculate total land price from area and price per selected area unit.

Open tool → Real Estate

Real Estate CAGR Calculator

Calculate compound annual growth rate between a starting and ending property value.

Open tool → Real Estate

Property Tax Calculator

Estimate annual and monthly property tax from a taxable value and user-supplied tax rate.

Open tool → Real Estate

Rental Increase Calculator

Calculate a new monthly rent and annual difference after a percentage increase.

Open tool → Real Estate

Security Deposit Calculator

Calculate a security deposit expressed as a number of months of rent.

Open tool → Real Estate

Price per Acre Calculator

Calculate land price per acre.

Open tool → Money

ROI Calculator

Calculate return on investment as a percentage of the original cost.

Open tool → Money

Savings Calculator

Estimate future savings with a starting balance, recurring monthly contributions, and compound interest.

Open tool → Money

APR Calculator

Estimate a simple annual percentage rate from amount financed, total finance cost, and term.

Open tool → Money

Credit Card Payoff Calculator

Estimate how long a fixed monthly payment may take to pay off a credit-card balance.

Open tool → Money

Debt Payoff Calculator

Estimate payoff time and interest for a debt with a fixed monthly payment.

Open tool → Money

VAT Calculator

Add VAT to a net amount or extract VAT from a gross amount using a user-supplied rate.

Open tool → Money

Salary to Hourly Calculator

Convert an annual salary to an estimated hourly rate.

Open tool → Money

Hourly to Salary Calculator

Estimate annual salary from an hourly rate and work schedule.

Open tool → Money

Overtime Pay Calculator

Estimate regular, overtime, and total gross pay for a pay period.

Open tool → Converters

Yards to Meters

Convert yards to meters for distance and construction measurements.

Open tool → Converters

Meters to Yards

Convert meters to yards.

Open tool → Converters

Feet to Inches

Convert feet to inches.

Open tool → Converters

Inches to Feet

Convert inches to decimal feet.

Open tool → Converters

Ounces to Grams

Convert avoirdupois ounces to grams.

Open tool → Converters

Ounces to Pounds

Convert avoirdupois ounces to pounds.

Open tool → Converters

Pounds to Ounces

Convert pounds to avoirdupois ounces.

Open tool → Converters

Liters to Milliliters

Convert liters to milliliters.

Open tool → Converters

Gallons to Liters

Convert US liquid gallons to liters.

Open tool → Converters

Teaspoons to Milliliters

Convert US teaspoons to milliliters for recipes.

Open tool → Converters

Tablespoons to Milliliters

Convert US tablespoons to milliliters for recipes.

Open tool → Converters

MPH to KPH

Convert miles per hour to kilometers per hour.

Open tool → Converters

KPH to MPH

Convert kilometers per hour to miles per hour.

Open tool → Converters

Square Miles to Square Kilometers

Convert square miles to square kilometers.

Open tool → Converters

Square Kilometers to Square Miles

Convert square kilometers to square miles.

Open tool → Converters

GB to TB

Convert decimal gigabytes to decimal terabytes.

Open tool → Date Time

Subtract Days from Date

Subtract a whole number of calendar days from a date.

Open tool → Date Time

Business Days Calculator

Count Monday-through-Friday days between two dates, excluding weekends.

Open tool → Date Time

Working Days Calculator

Count weekday working days between two dates. Public holidays are not automatically excluded.

Open tool → Date Time

Weeks Between Dates

Calculate elapsed days and decimal weeks between two dates.

Open tool → Date Time

Months Between Dates

Calculate complete calendar months and remaining days between two dates.

Open tool → Date Time

Years Between Dates

Calculate complete calendar years, months, and days between two dates.

Open tool → Date Time

Time Duration Calculator

Calculate elapsed time between two clock times within a 24-hour window.

Open tool → Date Time

Decimal Hours Calculator

Convert hours and minutes to decimal hours.

Open tool → Date Time

Day of Year Calculator

Find the ordinal day number within the year for a date.

Open tool → Date Time

Leap Year Checker

Check whether a Gregorian calendar year is a leap year.

Open tool → Text Tools

Sentence Counter

Count likely sentences in pasted text using common sentence-ending punctuation.

Open tool → Text Tools

Paragraph Counter

Count non-empty paragraphs separated by blank lines.

Open tool → Text Tools

Line Counter

Count lines and non-empty lines in text.

Open tool → Text Tools

Keyword Density Checker

Calculate approximate keyword or phrase density as occurrences per total words.

Open tool → Text Tools

Uppercase Converter

Convert text to uppercase locally in the browser.

Open tool → Text Tools

Lowercase Converter

Convert text to lowercase locally in the browser.

Open tool → Text Tools

Title Case Converter

Convert text to simple title case.

Open tool → Text Tools

Sentence Case Converter

Convert text to simple sentence case.

Open tool → Text Tools

Reverse Lines

Reverse the order of lines without reversing characters within each line.

Open tool → Text Tools

Alphabetizer

Sort newline-delimited text alphabetically using a case-insensitive locale comparison.

Open tool → Text Tools

Text Cleaner

Clean repeated spaces, excessive blank lines, and outer whitespace.

Open tool → Text Tools

Remove Extra Spaces

Collapse repeated spaces and tabs while preserving line breaks.

Open tool → Text Tools

Remove Line Breaks

Replace line breaks with spaces and normalize repeated whitespace.

Open tool → Text Tools

Extract Numbers

Extract signed integers and decimal numbers from text.

Open tool → Everyday

Fuel Cost Calculator

Estimate liters used and trip fuel cost from distance, fuel economy, and fuel price.

Open tool → Everyday

Fuel Economy Calculator

Calculate fuel economy in liters per 100 km and approximate km per liter.

Open tool → Everyday

Trip Cost Calculator

Add common road-trip costs and optionally split the total between travelers.

Open tool → Everyday

Electricity Cost Calculator

Estimate energy use and electricity cost from wattage, usage time, and kWh price.

Open tool → Everyday

Download Time Calculator

Estimate ideal download time from file size and connection speed.

Open tool → Everyday

Data Usage Calculator

Estimate total data usage from hours per day, MB per hour, and number of days.

Open tool → Everyday

Screen Size Calculator

Calculate screen diagonal from width and height using the Pythagorean theorem.

Open tool → Everyday

Aspect Ratio Calculator

Simplify a width-to-height aspect ratio and show its decimal value.

Open tool → Everyday

Recipe Scaling Calculator

Scale an ingredient quantity when changing the number of recipe servings.

Open tool → Everyday

Cooking Unit Converter

Convert common US volume cooking units through milliliters.

Open tool → Everyday

Pace Calculator

Calculate average pace per kilometer and average speed from distance and time.

Open tool → Everyday

Speed Distance Time Calculator

Solve the basic speed-distance-time relationship for any one variable.

Open tool → Construction

Paint Calculator

Estimate liters of paint needed from area, coverage, coats, and waste allowance.

Open tool → Construction

Tile Calculator

Estimate the number of rectangular tiles needed for an area including waste.

Open tool → Construction

Concrete Calculator

Estimate concrete volume in cubic meters for a rectangular slab.

Open tool → Construction

Flooring Calculator

Estimate flooring area to purchase from room dimensions plus waste allowance.

Open tool → Construction

Wallpaper Calculator

Estimate wallpaper rolls from total wall width, wall height, and roll dimensions.

Open tool → Construction

Roof Area Calculator

Estimate simple gable-roof surface area from footprint dimensions and roof pitch.

Open tool → Construction

Room Area Calculator

Calculate rectangular room floor area.

Open tool → Construction

Brick Calculator

Estimate brick count from wall area, brick face dimensions, mortar joint, and waste allowance.

Open tool → Construction

Drywall Calculator

Estimate drywall sheet count from surface area, sheet dimensions, and waste.

Open tool → Construction

Fence Calculator

Estimate fence posts, sections, and rails from fence length and post spacing.

Open tool → Education

Grade Calculator

Calculate a percentage grade from points earned and points possible.

Open tool → Education

GPA Calculator

Calculate a credit-weighted GPA from numeric grade points and matching course credits.

Open tool → Education

Weighted Grade Calculator

Calculate a weighted course score from percentage scores and their weights.

Open tool → Education

Required Final Grade Calculator

Calculate the score needed on the remaining course weight to reach a target grade.

Open tool → Education

Marks Percentage Calculator

Calculate marks percentage from obtained marks and total marks.

Open tool → Education

Study Time Planner

Estimate total study time and average daily study time from topics, time per topic, and days available.

Open tool → Education

Attendance Calculator

Calculate attendance percentage from classes attended and total classes held.

Open tool → Education

Reading Speed Calculator

Calculate reading speed in words per minute.

Open tool → Education

Typing Speed Calculator

Estimate gross and adjusted typing speed using the common five-characters-per-word convention.

Open tool → Education

Score Percentage Calculator

Convert a score to a percentage.

Open tool →