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6829 tools available

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Math & Numbers

249 tools

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Our Medical & Clinical category serves as a vital resource hub featuring 210 professional tools tailored for healthcare practitioners and clinical students. This comprehensive library includes precise medication dosage calculators, validated clinical scoring systems, and essential medical reference utilities. From determining renal function to evaluating cardiovascular risk scores, our resources support diagnostic accuracy and clinical workflows in fast-paced medical environments.

210 tools

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Everyday Tools

203 tools

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Statistics

194 tools

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Generators

188 tools

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Developer

The Developer category contains 165 specialized utilities engineered to streamline your coding workflow and reduce debugging time. This suite includes high-performance code formatters, interactive API testers, regular expression builders, and rigorous JSON validators. Whether you are troubleshooting a complex regex pattern or verifying the structure of a large dataset, these developer-centric tools provide immediate, accurate feedback to help you maintain high code quality.

165 tools

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Materials & Measurement

165 tools

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Personal Finance

Our Personal Finance category offers an extensive library of 163 tools designed to give you complete control over your financial future. This collection features detailed budget planners, sophisticated loan calculators, automated savings trackers, and precise tax estimators. Whether you are calculating the long-term cost of a mortgage, comparing credit card repayment strategies, or finding ways to reduce monthly expenses, these free financial utilities offer the data necessary for informed money management.

163 tools

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Construction

156 tools

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Length & Distance

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Electricity & Electronics

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Miscellaneous Calculators

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Data Format Converters

102 tools

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Time & Date

100 tools

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Loans & Mortgages

91 tools

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Code Formatters & Validators

90 tools

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Cooking

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Color Tools

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HTML & CSS Tools

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Encoders & Decoders

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Health & Fitness

79 tools

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Weight Conversion

79 tools

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Automotive & Transportation

76 tools

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Currency

71 tools

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Business & Investment

The Business & Investment category provides 69 specialized tools to support strategic financial decision-making and venture growth. This collection includes professional Discounted Cash Flow (DCF) calculators, Return on Investment (ROI) tools, and business valuation models essential for investors and founders. Whether you are performing due diligence on a new acquisition or planning your next expansion phase, our comprehensive suite of analytical instruments delivers the clarity required for high-stakes business environments.

69 tools

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Optics & Sound

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Pregnancy & Pediatrics

65 tools

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Temperature Conversion

64 tools

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Number Conversion

63 tools

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Retirement & Savings

63 tools

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Fractions, Percentages & Ratios

61 tools

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Salary & Income

58 tools

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Text & String Tools

57 tools

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Algebra & Equations

57 tools

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Image Resolution

56 tools

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Body Metrics & Fitness

Our Body Metrics & Fitness category features 54 free tools designed to help you quantify and track your physical health goals. From precision BMI and body fat calculators to daily calorie counters and comprehensive fitness trackers, these resources provide data-driven insights into your physical condition. Whether you are an athlete optimizing performance or an individual starting a wellness journey, our tools offer the objective measurements needed to monitor progress accurately.

54 tools

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Trigonometry

53 tools

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Housing & Real Estate

52 tools

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Volume Conversion

49 tools

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Home & Household

44 tools

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Tax Calculators

41 tools

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Linear Algebra & Vectors

39 tools

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Area Conversion

38 tools

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Astronomy & Space

35 tools

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Career

34 tools

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Nutrition & Diet

34 tools

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Drug Dosage & Medication

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Text & Encoding

33 tools

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Photography & Video

30 tools

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Network

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Typography

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IT Planning

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Fun & Games

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Resume & Cover Letter

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Compliance

14 tools

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Communication & Media

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Grade Calculators

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Business

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Blockchain & Cryptocurrency Security

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PDF Tools

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Fun & Viral

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Economics & Inflation

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All Tools

Screenshot of Auto Loan Calculator - Calculate Monthly Car Payments

Auto Loan Calculator - Calculate Monthly Car Payments4 options

Credit Karma’s free auto loan calculator estimates monthly payment and total interest based on loan amount, APR, and term. It also provides an amortization schedule and supports optional car price, down payment, and trade-in inputs. The calculator is available at no cost without a mandatory paid plan.

4 options🚗 Automotive & Transportation

Babel Formatter4 options

The Babel Formatter tool formats Babel/JavaScript code directly in-browser and supports input from pasted code, files, or URLs. The page indicates the formatter is available as a free online utility. It provides output formatting and download/copy actions for developer workflows.

4 options✨ Code Formatters & Validators

Area Calculator4 options

This area calculator determines the area of a number of common shapes, including rectangle, triangle, trapezoid, circle, sector, ellipse, and parallelogram.

4 options📐 Geometry & Shapescalculator free math

Balloon Arch Calculator4 options

This free balloon arch calculator estimates arch length, balloon quantity, and projected cost using inputs like height, width, diameter, and arch type. It is geared toward event planning use cases such as weddings and parties and includes practical tips on extra balloon buffer and setup choices. No mandatory paid plan is required to use the tool.

4 options🏡 Home & HouseholdHome economics calculators

Basis Point Calculator4 options

Its basis points calculator lets users calculate bps from decimal, percent, and permille values directly on the page. The tool is publicly accessible without a mandatory paid plan or login wall. The page also explains basis-point usage in lending, rates, and fixed-income contexts.

4 options💰 Personal FinanceGeneral investment calculators

BMR Calculator (Basal Metabolic Rate, Mifflin St Jeor Equation)4 options

This free BMR calculator estimates calories burned at complete rest and includes activity-based daily calorie estimates. It supports multiple formulas, including Mifflin-St Jeor, with unit options for US and metric inputs. No paid plan is required to use the tool.

4 options💪 Body Metrics & FitnessDietary calculators

Base of a Triangle Calculator4 options

Cuemath’s triangle calculator page includes the base-of-triangle relationship using area and height: Base = (2 × area) / height. It is free to use in-browser and is designed for quick geometry problem solving with worked examples.

4 options📐 Geometry & ShapesOther calculators

Screenshot of Debt-to-Income Ratio Calculator

Debt-to-Income Ratio Calculator3 options

Free calculator to find both the front end and back end Debt-to-Income (DTI) ratio for personal finance use. It can also estimate house affordability.

3 options💳 Debt & CreditFinance calculator free

Screenshot of Pregnancy Weight Gain Calculator

Pregnancy Weight Gain Calculator3 options

This pregnancy weight gain calculator provides a recommended weight gain schedule on a week-by-week basis based on pre-pregnancy bodyweight and IOM guidelines.

3 options🤰 Pregnancy & Pediatricscalculator free fitness

Boat Loan Calculator3 options

Free boat loan calculator to determine the monthly payment and total cost of a boat loan, while accounting for sales tax, fees, trade-in value, and more.

3 options🚗 Automotive & TransportationFinance calculator free

Weight Converter3 options

Converting between different units of mass and weight becomes straightforward with a reliable digital converter. Users can instantly switch between metric and imperial systems, handling everything from milligrams and grams to pounds and ounces. This versatility makes it an essential resource for students, chefs, and professionals who need precise measurements for recipes, shipping, or scientific calculations. Managing large-scale units like metric tons or stones is just as simple as converting smaller measurements. The interface eliminates the need for manual conversion formulas, reducing the risk of calculation errors in critical tasks. Whether someone is checking a package weight for shipping or converting a fitness goal between measurement systems, the results are provided accurately and instantaneously.

3 options🔄 General Conversioncalculator free various measurementsunits

Student Loan Calculator3 options

Managing educational debt requires a clear understanding of how interest rates and repayment terms impact the total cost of a loan. This student loan calculator provides a comprehensive overview of monthly payments and total interest accrued over the life of the loan. It serves students, graduates, and parents who need to project their financial obligations and plan their budgets around future or existing debt. Users can input their total loan amount, interest rate, and expected loan term to see an immediate breakdown of their repayment schedule. The calculator highlights the difference between principal and interest, allowing borrowers to visualize how quickly they can reduce their balance. By adjusting the variables, individuals can compare various payoff scenarios and determine how extra monthly payments might shorten their debt timeline or save money on interest.

3 options🏦 Loans & MortgagesFinance calculator free

Calorie Calculator3 options

This calorie calculator estimates the number of calories needed each day to maintain, lose, or gain weight. Learn the kinds of calories and their effects.

3 options🥗 Nutrition & Dietcalculator free fitness

Conception Calculator3 options

This free conception calculator estimates possible as well as most likely dates of conception, and their corresponding due dates over six menstrual cycles.

3 options🤰 Pregnancy & Pediatricscalculator free fitness

Macro Calculator3 options

This macro calculator estimates the macronutrient needs of a person based on their age, physical characteristics, activity level, and bodyweight goals.

3 options🥗 Nutrition & Dietcalculator free fitness

Protein Calculator3 options

Determining daily nutritional requirements is a fundamental step for anyone looking to optimize their fitness or maintain a healthy lifestyle. The Protein Calculator provides an efficient way to estimate personal protein needs based on established health recommendations and user-specific data. By considering factors like activity levels and body metrics, it helps individuals understand how much of this essential macronutrient is required to support muscle repair, immune function, and overall metabolic health. Athletes, fitness enthusiasts, and those simply aiming for a balanced diet can use these insights to plan their meals more effectively. Having a clear target simplifies the process of tracking intake and ensures that nutritional goals align with physical demands. Whether the objective is muscle gain, weight management, or general wellness, this utility offers a reliable baseline for making informed dietary choices.

3 options🥗 Nutrition & Dietcalculator free fitness

Fraction Calculator3 options

Use this fraction calculator to perform all the main calculations on simple or mixed fractions. We support addition, subtraction, multiplication, division of fractions, fraction simplification, and two types of conversions: fraction to decimal and decimal to fraction.

3 options➗ Fractions, Percentages & Ratioscalculator free math

Percentage Calculator3 options

Calculating percentages manually often leads to errors or unnecessary complexity in daily tasks. The Percentage Calculator simplifies these operations by providing a versatile interface for various mathematical requirements. Users can quickly determine what percent one number is of another, find the value of a specific percentage, or calculate the total value when only a portion and its percentage are known. It serves students, professionals, and anyone needing fast, reliable results for common arithmetic problems. Beyond basic calculations, the utility handles more complex scenarios such as percentage increases, decreases, and the difference between two specific values. This makes it particularly valuable for financial analysis, tracking changes in data sets, or comparing values in retail and scientific contexts. By automating the underlying formulas, the calculator ensures accuracy while saving time, allowing users to focus on interpreting their results rather than performing manual calculations.

3 options➗ Fractions, Percentages & Ratioscalculator free math

Ratio Calculator3 options

This ratio calculator solves ratios, scales ratios, or finds the missing value in a set of ratios. It can also give out ratio visual representation samples.

3 options➗ Fractions, Percentages & Ratioscalculator free math

Tip Calculator3 options

Determining the correct gratuity for restaurant meals or professional services is simple and efficient with this calculation utility. Users input the pre-tax bill total and choose a tip percentage that reflects their satisfaction with the service. The system immediately computes both the tip amount and the final bill total, providing a clear breakdown that removes the guesswork from social dining and service transactions. The calculator also handles the complexities of group dining by offering a built-in splitting feature. After establishing the total bill and tip, users can specify the number of people in their group to see exactly how much each person needs to contribute. This ensures a fair distribution of costs and prevents the awkwardness often associated with dividing a check. It is a practical resource for anyone looking to manage their gratuities while maintaining etiquette during social outings.

3 options🧮 Miscellaneous Calculatorscalculator free everyday utility

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