All CapitalCova Tools
Browse professional online tools organized by category. Search, compare, and open each calculator, converter, or utility page directly.
Break-Even Calculator
Find units and revenue needed to break even.
BusinessBusiness Loan Calculator
Estimate business loan payments and total interest.
BusinessCPC Calculator
Calculate average cost per click for ads.
BusinessCPM Calculator
Calculate cost per thousand impressions for ads.
BusinessChurn Rate Calculator
Calculate customer churn and retention percentage.
BusinessCustomer Lifetime Value Calculator
Estimate customer lifetime value from revenue, margin, and churn.
BusinessDiscount Calculator
Calculate sale price after discount.
BusinessFreelance Rate Calculator
Estimate hourly freelance rate from income goals and billable hours.
BusinessGross Margin Calculator
Calculate gross profit and gross margin percentage.
BusinessInventory Turnover Calculator
Calculate inventory turnover ratio and days in inventory.
BusinessInvoice Generator
Create a simple invoice summary in your browser.
BusinessMarkup Calculator
Calculate markup, margin, and selling price from cost.
BusinessMeeting Cost Calculator
Estimate the labor cost of a meeting.
BusinessProfit Margin Calculator
Calculate profit, margin, and markup.
BusinessProfit and Loss Calculator
Calculate revenue, costs, gross profit, net profit, and profit margin.
BusinessROAS Calculator
Calculate return on ad spend and profit after ad cost.
BusinessReceipt Generator
Create a clean receipt summary for a sale or payment.
BusinessRevenue Growth Calculator
Calculate revenue growth percentage between two periods.
BusinessSales Tax Calculator
Calculate total price with tax.
BusinessSelling Price Calculator
Set a selling price from cost, target margin, fees, and handling so an offer is easier to compare.
BusinessAverage Calculator
Find the average of multiple numbers.
CalculatorsCombination Calculator
Calculate unordered selections using nCr for probability, teams, and statistics homework.
CalculatorsDecimal to Fraction Calculator
Convert decimal numbers into simplified fractions.
CalculatorsExponent Calculator
Calculate powers and repeated multiplication with a clear base and exponent breakdown.
CalculatorsFraction Calculator
Add, subtract, multiply, and divide fractions.
CalculatorsNumber Sorter
Sort numbers from low to high or high to low.
CalculatorsPercent Error Calculator
Calculate percent error between an experimental value and accepted value for lab reports.
CalculatorsPercentage Calculator
Calculate percentages, percentage increase, and percentage decrease.
CalculatorsPermutation Calculator
Calculate ordered arrangements using nPr for probability, contests, and math practice.
CalculatorsPrime Number Checker
Check whether a number is prime.
CalculatorsProbability Calculator
Calculate simple probability as favorable outcomes divided by total outcomes.
CalculatorsProportion Calculator
Solve a missing value in a proportion such as a/b = c/x for scaling and quick math problems.
CalculatorsRandom Number Generator
Generate random numbers within a range.
CalculatorsRatio Calculator
Simplify ratios and compare two values.
CalculatorsRoman Numeral Converter
Convert numbers to Roman numerals.
CalculatorsRounding Calculator
Round a value to decimal places and compare nearest, floor, and ceiling values.
CalculatorsScientific Notation Calculator
Convert a standard number into scientific notation with mantissa and exponent.
CalculatorsSquare Root Calculator
Find square roots and nearby whole-number squares for measurements and homework checks.
CalculatorsUnit Rate Calculator
Calculate price per item, miles per hour, cost per ounce, or any total divided by units.
CalculatorsWeighted Average Calculator
Calculate a weighted average from values and weights for grades, indexes, scores, and ratings.
CalculatorsAcceleration Converter
Convert acceleration between meters per second squared, feet per second squared, and standard gravity.
ConvertersAngle Converter
Convert degrees, radians, and gradians for geometry, trigonometry, and engineering checks.
ConvertersArea Converter
Convert square meters, acres, hectares, and square feet.
ConvertersCooking Measurement Converter
Convert teaspoons, tablespoons, cups, fluid ounces, milliliters, and liters for recipes.
ConvertersData Storage Converter
Convert bytes, KB, MB, GB, and TB.
ConvertersDensity Converter
Convert density between kilograms per cubic meter, grams per cubic centimeter, and pounds per cubic foot.
ConvertersEnergy Converter
Convert joules, calories, kilocalories, and kWh.
ConvertersFlow Rate Converter
Convert flow rate between liters per minute, gallons per minute, cubic meters per hour, and milliliters per second.
ConvertersForce Converter
Convert force between newtons, kilonewtons, pound-force, kilogram-force, and dynes.
ConvertersFuel Economy Converter
Convert fuel economy between MPG, kilometers per liter, and liters per 100 kilometers.
ConvertersLength Converter
Convert meters, kilometers, miles, yards, feet, and inches.
ConvertersManual Currency Converter
Convert an amount using your own exchange rate for invoices, travel notes, and saved rate comparisons.
ConvertersPressure Converter
Convert pascal, bar, psi, and atm.
ConvertersSpeed Converter
Convert mph, km/h, m/s, and knots.
ConvertersTemperature Converter
Convert Celsius, Fahrenheit, and Kelvin.
ConvertersTime Converter
Convert seconds, minutes, hours, days, and weeks.
ConvertersTime Unit Converter
Convert seconds, minutes, hours, days, weeks, months, and years.
ConvertersTorque Converter
Convert torque between newton-meters, pound-feet, pound-inches, and kilogram-force meters.
ConvertersVolume Converter
Convert liters, milliliters, gallons, and cubic meters.
ConvertersWeight Converter
Convert kilograms, grams, pounds, and ounces.
ConvertersAge Calculator
Calculate age from date of birth.
Date & TimeBirthday Countdown
Calculate days until the next birthday and the age reached on that birthday.
Date & TimeBusiness Days Calculator
Count business days between two dates.
Date & TimeCalendar Quarter Calculator
Find the quarter, half-year, month number, and day of year for a date.
Date & TimeCountdown Timer
Create a simple countdown in days, hours, minutes, and seconds from a target date and time.
Date & TimeDate Add Subtract Calculator
Add or subtract days, weeks, months, and years from a date.
Date & TimeDate Difference Calculator
Calculate days between two dates.
Date & TimeDays Until Calculator
Count days remaining until a target date from today or from a custom start date.
Date & TimeDeadline Calculator
Plan work remaining before a deadline by estimating units per day.
Date & TimeMonth Calculator
Add or subtract months from a date and show the resulting calendar date.
Date & TimePay Period Calculator
Estimate upcoming pay dates from a first payday and pay cycle length.
Date & TimePomodoro Timer
Plan focus sessions and breaks using the Pomodoro method for study, writing, and coding.
Date & TimeSleep Cycle Calculator
Estimate wake-up times based on 90-minute sleep cycles plus time to fall asleep.
Date & TimeStopwatch
Use a clean stopwatch with start, stop, reset, and elapsed time for study or work sessions.
Date & TimeTime Card Calculator
Calculate total paid hours from multiple shifts entered as start,end,break minutes.
Date & TimeTime Duration Calculator
Calculate duration between two times.
Date & TimeTime Zone Meeting Planner
Compare meeting times across manual UTC offsets for remote teams and calls.
Date & TimeUnix Timestamp Converter
Convert Unix timestamp to readable date.
Date & TimeWeek Number Calculator
Find the ISO week number for any date.
Date & TimeWorking Hours Calculator
Calculate work hours between clock-in and clock-out times after subtracting breaks.
Date & TimeBase64 Encoder Decoder
Encode and decode Base64 text.
DeveloperCSS Minifier
Minify CSS by removing comments, extra spaces, and line breaks for compact snippets.
DeveloperCron Expression Helper
Explain common 5-part cron expressions and preview minute, hour, day, month, and weekday fields.
DeveloperHEX to RGB Converter
Convert HEX colors to RGB.
DeveloperHTML Encoder Decoder
Encode and decode HTML entities.
DeveloperHTML Minifier
Minify HTML by removing comments and extra spacing while keeping tags intact.
DeveloperHash Generator
Generate simple SHA-256 hashes in browser.
DeveloperJSON Formatter
Format and validate JSON in your browser.
DeveloperJSON to CSV Converter
Convert an array of JSON objects into CSV headers and rows for spreadsheets and exports.
DeveloperJWT Decoder
Decode JSON Web Token header and payload locally for debugging without validating the signature.
DeveloperJavaScript Minifier
Minify simple JavaScript by removing comments and extra whitespace for compact snippets.
DeveloperLorem Ipsum Generator
Generate placeholder text.
DeveloperMarkdown to HTML Converter
Convert common Markdown headings, links, bold text, lists, and paragraphs into simple HTML.
DeveloperPassword Generator
Generate strong random passwords.
DeveloperRegex Tester
Test regular expressions against text.
DeveloperSQL Formatter
Format basic SQL keywords onto readable lines for SELECT, FROM, WHERE, GROUP BY, ORDER BY, and JOIN clauses.
DeveloperURL Encoder Decoder
Encode and decode URL strings.
DeveloperURL Slug Generator
Turn a title or phrase into a clean lowercase URL slug for posts, tools, products, or docs.
DeveloperUUID Generator
Generate random UUID values.
DeveloperYAML Key Value Converter
Convert simple YAML-style key value lines into a JSON object for configs and notes.
DeveloperAssignment Grade Calculator
Calculate assignment percentage, letter grade, and points earned.
EducationAttendance Percentage Calculator
Calculate attendance percentage and classes needed for a target.
EducationCitation Generator
Create simple APA and MLA-style citation drafts.
EducationClass Average Calculator
Find average, highest, lowest, and count from class scores.
EducationEssay Word Count Planner
Plan essay sections by target word count and deadline so introductions, body sections, and conclusions stay balanced.
EducationExam Time Planner
Break an exam into question groups and minutes per mark so you can pace a test before time runs out.
EducationFinal Grade Calculator
Find the score needed on a final exam to reach a target grade.
EducationFlashcard Generator
Turn term-definition lines into simple study flashcards.
EducationGPA Calculator
Calculate GPA from grades and credits.
EducationGrade Calculator
Calculate final grade or weighted average.
EducationGrade Percentage Calculator
Calculate grade percentage with optional extra credit.
EducationQuiz Score Calculator
Convert correct answers into percentage and letter grade.
EducationReading Speed Test
Calculate reading speed from words read and time spent.
EducationReading Time Calculator
Estimate how long it takes to read text or a word count.
EducationSemester Grade Calculator
Estimate semester grade from term grades and final exam weight.
EducationStudy Break Timer
Build a study and break schedule by cycle length.
EducationStudy Time Planner
Plan study hours across topics before an exam.
EducationTest Score Calculator
Calculate test percentage from earned points and total points.
EducationTyping Speed Test
Estimate typing WPM and accuracy from typed text.
EducationWeighted Grade Calculator
Calculate a course grade using weighted categories.
EducationAPR Calculator
Estimate simple APR from finance charges and term.
FinanceAuto Loan Calculator
Estimate car loan payments, total interest, and total vehicle cost.
FinanceBudget Planner
Break monthly income into expenses, savings, and remaining cash.
FinanceCompound Interest Calculator
Calculate compound interest growth.
FinanceCredit Card Payoff Calculator
Calculate credit card payoff months and interest cost.
FinanceDebt Payoff Calculator
Estimate payoff time and interest for a debt balance.
FinanceEmergency Fund Calculator
Calculate a target emergency fund and monthly savings plan.
FinanceHourly to Salary Calculator
Convert hourly wage to weekly, monthly, and annual pay.
FinanceInflation Calculator
Estimate future or past buying power using an annual inflation rate.
FinanceInvestment Calculator
Estimate future investment value with contributions and growth.
FinanceLoan Calculator
Estimate monthly loan payments.
FinanceMortgage Calculator
Estimate monthly mortgage payments.
FinanceNet Worth Calculator
Calculate assets minus liabilities for a net worth snapshot.
FinancePayPal Fee Calculator
Estimate PayPal fees, net amount, and gross-up amount.
FinanceROI Calculator
Calculate return on investment percentage and profit.
FinanceRetirement Savings Calculator
Estimate retirement savings from age, contributions, and return.
FinanceRule of 72 Calculator
Estimate doubling time or required return using the Rule of 72.
FinanceSalary to Hourly Calculator
Convert annual salary into an hourly wage estimate.
FinanceSavings Goal Calculator
Find how long it may take to reach a savings target.
FinanceSimple Interest Calculator
Calculate simple interest.
FinanceStripe Fee Calculator
Estimate Stripe processing fees and net received.
FinanceBMI Calculator
Calculate body mass index from height and weight.
HealthBMR Calculator
Estimate basal metabolic rate from age, height, weight, and reference sex using Mifflin-St Jeor.
HealthBlood Pressure Category Tool
Classify a blood pressure reading into general adult reference categories for education.
HealthBody Fat Calculator
Estimate body fat percentage from waist, neck, height, and optional hip measurement.
HealthBody Surface Area Calculator
Estimate body surface area from height and weight using the Mosteller formula.
HealthCalorie Calculator
Estimate daily calories using BMR formula.
HealthCalories Burned Estimator
Estimate calories burned from MET value, body weight, and activity duration for planning.
HealthHeart Rate Zone Calculator
Calculate training heart-rate zones from age and resting heart rate using a reserve estimate.
HealthIdeal Weight Calculator
Estimate ideal body weight using common adult reference formulas for education only.
HealthMacro Calculator
Estimate protein, carbs, and fats from a calorie target and macro percentage split.
HealthOvulation Calculator
Estimate a likely ovulation window from cycle length and last period date for education only.
HealthPregnancy Due Date Calculator
Estimate a pregnancy due date from last menstrual period or conception date for planning.
HealthProtein Intake Calculator
Estimate daily protein target from body weight and grams per kilogram preference.
HealthRunning Pace Calculator
Calculate running pace, speed, and estimated finish time from distance and time.
HealthSleep Calculator
Estimate bedtimes or wake times based on 90-minute cycles and sleep onset time.
HealthTDEE Calculator
Estimate total daily energy expenditure from BMR and activity level for general planning.
HealthTarget Calories Calculator
Estimate daily calories for maintaining, losing, or gaining weight based on TDEE and goal size.
HealthWaist to Height Ratio Calculator
Calculate waist-to-height ratio for a quick educational body-measurement reference.
HealthWaist to Hip Ratio Calculator
Calculate waist-to-hip ratio from body measurements and show a simple reference category.
HealthWater Intake Calculator
Estimate daily water intake from body weight and activity minutes as a wellness guide.
HealthAnimal Breeding Calendar
Estimate return-check and expected due-date windows from breeding date and gestation days.
Pet ToolsAnimal Gestation Calculator
Calculate estimated due dates using a custom gestation length and date range.
Pet ToolsAquarium Volume Calculator
Calculate aquarium volume from tank dimensions and convert it into liters and US gallons.
Pet ToolsCat Age Calculator
Estimate a cat age in human-year style using a common household cat reference model.
Pet ToolsCat Litter Estimate
Estimate monthly litter needs from number of cats, box count, and litter use per box.
Pet ToolsCat Pregnancy Calculator
Estimate a cat due date and kittening window from the mating date.
Pet ToolsCow Gestation Calculator
Estimate a cow calving date from breeding date using a common 283-day reference period.
Pet ToolsDog Age Calculator
Estimate a dog age in human-year style using a size-aware reference model.
Pet ToolsDog Crate Size Guide
Estimate dog crate length, width, and height from body measurements plus comfort clearance.
Pet ToolsDog Pregnancy Calculator
Estimate a dog due date and whelping window from the breeding date.
Pet ToolsFish Tank Stocking Estimator
Estimate conservative fish stocking length based on tank volume for beginner planning.
Pet ToolsGoat Gestation Calculator
Estimate a goat due date from breeding date using a common 150-day reference period.
Pet ToolsHorse Gestation Calculator
Estimate a mare foaling date from breeding date using a common 340-day reference period.
Pet ToolsKitten Age Calculator
Estimate kitten age milestones from weeks old and show broad developmental notes.
Pet ToolsPet Cost Calculator
Estimate monthly pet costs across food, grooming, insurance, supplies, and routine care.
Pet ToolsPet Food Calculator
Estimate daily pet food from body weight and feeding grams per kilogram for planning.
Pet ToolsPet Name Generator
Generate pet name ideas by style, starting letter, and number of names.
Pet ToolsPuppy Weight Estimator
Estimate adult puppy weight from current weight, age, and breed-size growth assumptions.
Pet ToolsRabbit Gestation Calculator
Estimate a rabbit kindling date from breeding date using a common 31-day reference period.
Pet ToolsSheep Gestation Calculator
Estimate a sheep lambing date from breeding date using a common 147-day reference period.
Pet ToolsAlphabetical Sorter
Sort words or lines alphabetically or reverse alphabetically for lists and notes.
Text ToolsCSV Line Cleaner
Trim spaces, remove empty lines, and normalize comma-separated rows for spreadsheet cleanup.
Text ToolsCase Converter
Convert text to uppercase, lowercase, title case, and sentence case.
Text ToolsCharacter Counter
Count characters with and without spaces.
Text ToolsDuplicate Line Remover
Remove duplicate lines while keeping first occurrence or sorting the final list.
Text ToolsFind and Replace
Find text and replace it across a larger block for editing and cleanup.
Text ToolsLine Counter
Count text lines and non-empty lines.
Text ToolsMarkdown Previewer
Preview common Markdown as basic HTML for headings, lists, bold text, links, and paragraphs.
Text ToolsParagraph Counter
Count paragraphs, non-empty lines, and average words per paragraph in pasted text.
Text ToolsPlaceholder Text Generator
Generate clean placeholder paragraphs for layouts, wireframes, content blocks, and design mockups.
Text ToolsRandom Word Generator
Generate random words from a local word list for games, prompts, usernames, and ideas.
Text ToolsReadability Checker
Estimate readability from sentence length, word length, and word complexity for draft review.
Text ToolsRemove Duplicate Words
Remove repeated words from a sentence or list while keeping the first appearance.
Text ToolsRemove Extra Spaces
Clean repeated spaces, tabs, and empty lines.
Text ToolsSentence Counter
Count sentences and average words per sentence for drafts, posts, articles, and student writing.
Text ToolsText Difference Checker
Compare two text blocks and show added, removed, and changed lines for review.
Text ToolsText Reverser
Reverse text by characters, words, or lines for formatting, puzzles, and transformations.
Text ToolsText to Slug Converter
Convert titles and headings into clean lowercase slugs for URLs, file names, or labels.
Text ToolsWord Counter
Count words, characters, sentences, and paragraphs instantly.
Text ToolsWord Frequency Counter
Find the most frequent words in a text sample after ignoring common short words.
Text ToolsEvery tool has a guide
Browse the CapitalCova Blog for step-by-step explanations, examples, input tips, and common mistakes for each tool.