All Calculators

Browse our complete collection of professional calculators organized by category

120 Free calculators

12 categories

Financial Calculators

8 calculators

Explore a complete collection of financial calculators to help you manage budgets, loans, investments, and more, all in one convenient tool.

Mortgage Calculator

Calculate monthly mortgage payments, total interest, and amortization schedules. Compare loan terms and find the best mortgage rates for your home purchase.

4.4

Amortization Loan Calculator

Generate detailed loan amortization schedules showing principal and interest breakdown. Track your loan balance, payment history, and early payoff scenarios.

4.8

Payment Calculator

Calculate loan payments, installment amounts, and payment schedules. Compare different payment frequencies and find the best payment plan for your needs.

4.2

Interest Calculator

Calculate simple and compound interest for savings, investments, and loans. Compare different interest rates and compounding frequencies to maximize returns.

4.9

Deferred Payment Loan Calculator

Calculate loans with deferred payment periods including grace periods and balloon payments. Plan your finances with flexible payment scheduling options.

4.5

Predetermined Amount Loan Calculator

Calculate loans with predetermined payment amounts. Find out loan terms, interest rates, and total costs when you know your desired payment amount.

4.6

Currency Converter

Convert between world currencies with real-time exchange rates. Get accurate currency conversions for travel, business, and international transactions.

4.5

VAT Calculator

Calculate Value Added Tax (VAT) amounts, add or remove VAT from prices, and handle different VAT rates for business accounting.

4.4

Health & Fitness Calculators

8 calculators

View Category

Calculate your health stats and track your progress using our simple, accurate Health & Fitness Calculation Tools today

BMI Calculator

Calculate your Body Mass Index (BMI) and understand your weight status. Get personalized health recommendations based on WHO and CDC guidelines.

4.5

BMR Calculator

Calculate your Basal Metabolic Rate (BMR) and daily calorie needs using Harris-Benedict and Mifflin-St Jeor equations for weight management.

4.8

Body Fat Percentage Calculator

Estimate your body fat percentage using skinfold measurements, body measurements, and bioelectrical impedance methods for fitness tracking.

4.7

TDEE Calculator

Calculate your Total Daily Energy Expenditure (TDEE) based on activity level, BMR, and lifestyle factors for accurate calorie planning.

4.6

Calorie Calculator

Calculate daily calorie needs for weight loss, maintenance, or gain based on age, gender, activity level, and fitness goals.

4.8

Pregnancy Due Date Calculator

Calculate your pregnancy due date, track trimesters, and monitor fetal development milestones based on last menstrual period or conception date.

4.4

Blood Alcohol Concentration (BAC) Calculator

Calculate blood alcohol concentration (BAC) levels based on drinks consumed, body weight, gender, and time elapsed for safety awareness.

4.3

Running Pace Calculator

Calculate running pace, finish times, and split times for races and training runs. Plan your running strategy with accurate pace calculations.

4.2

Transportation Calculators

8 calculators

View Category

Complete collection of free transportation calculators: fuel consumption, travel costs, carbon emissions, route optimization & more. Plan smarter trips today!

Fuel Consumption Calculator

Calculate fuel efficiency, gas mileage (MPG), fuel costs, and consumption rates for cars, trucks, and other vehicles.

4.2

Travel Cost Calculator

Calculate total travel expenses including transportation, accommodation, meals, and activities for trip budget planning.

4.4

Distance Calculator

Calculate distances between cities, coordinates, and geographic locations using great circle formulas and mapping data.

5.0

Travel Time Calculator

Estimate travel times for driving, flying, walking, or public transportation between destinations with traffic considerations.

5.0

Carbon Emission Calculator

Calculate carbon footprint and CO2 emissions from transportation, energy use, and daily activities for environmental awareness.

4.6

Airfare Calculator

Compare flight prices, estimate airfare costs, and find the best deals for domestic and international travel destinations.

4.5

Road Tax Calculator

Calculate vehicle road tax and registration fees based on engine size, vehicle type, and emissions for different regions.

4.9

Vehicle Depreciation Calculator

Calculate vehicle depreciation, resale value, and asset value decline over time using various depreciation methods.

5.0

Math Calculators

15 calculators

View Category

A math calculator offers tools to solve arithmetic, algebra, calculus, and more, making complex calculations faster and easier.

Percentage Calculator

Calculate percentages, percentage increases, decreases, and differences. Find what percentage one number is of another with step-by-step solutions.

4.4

Perimeter Calculator

Calculate the perimeter of various shapes including rectangles, circles, triangles, and polygons. Get accurate measurements for your geometry projects.

4.4

Area Calculator

Calculate the area of geometric shapes including circles, rectangles, triangles, and complex polygons. Perfect for construction, landscaping, and math homework.

4.4

Scientific Calculator

Advanced scientific calculator with trigonometric functions, logarithms, exponentials, and statistical operations. Perfect for science and engineering calculations.

4.8

Volume Calculator

Calculate volume of 3D shapes including spheres, cylinders, cones, cubes, and pyramids. Essential for construction, shipping, and educational projects.

4.7

Fraction Calculator

Add, subtract, multiply, and divide fractions with detailed step-by-step solutions. Simplify fractions and convert to decimals or percentages.

4.7

Mixed Number Calculator

Calculate with mixed numbers and improper fractions. Convert between mixed numbers, improper fractions, and decimals with complete solutions.

4.6

Prime Number Calculator

Check if a number is prime, find prime factors, generate prime numbers, and explore prime number sequences for mathematical analysis and education.

4.9

Derivative Calculator

Calculate derivatives of mathematical functions with step-by-step solutions. Find first, second, and higher-order derivatives for calculus problems.

4.3

Logarithm Calculator

Calculate logarithms with any base including natural log (ln), common log (log10), and binary log (log2) with detailed explanations.

4.4

Probability Calculator

Calculate probability distributions, combinations, permutations, and statistical probabilities for events and outcomes.

4.6

Matrix Calculator

Perform matrix operations including addition, multiplication, determinants, inverse, and eigenvalue calculations for linear algebra.

4.8

View all calculators in Math Calculators

Engineering Calculators

14 calculators

View Category

Comprehensive collection of free engineering calculators for structural, mechanical, electrical, civil engineering. Calculate load, stress, power, flow rates & more instantly.

Unit Converter

Convert between different units of measurement including length, weight, volume, temperature, area, speed, and more with precision and ease.

4.6

Electrical Power Calculator

Calculate electrical power, voltage, current, and resistance using Ohm's law and power formulas for AC and DC circuits.

4.2

Resistance Calculator

Calculate electrical resistance for series, parallel, and combination circuits. Find total resistance and individual component values.

4.2

Force Calculator

Calculate force, mass, and acceleration using Newton's laws of motion. Solve physics problems involving mechanical forces and dynamics.

4.8

Velocity Calculator

Calculate velocity, distance, and time using kinematic equations. Solve physics problems involving speed, acceleration, and motion.

4.9

Pressure Calculator

Calculate pressure, force, and area relationships using Pascal's principle. Convert between pressure units like PSI, bar, and atmospheres.

4.4

Torque Calculator

Calculate torque, force, and lever arm distance for mechanical engineering applications. Solve rotational mechanics problems.

4.9

Material Strength Calculator

Calculate material strength properties including tensile strength, yield strength, and stress analysis for engineering design and safety.

4.8

Temperature Calculator

Convert temperatures between Celsius, Fahrenheit, Kelvin, and Rankine scales. Calculate temperature differences and thermal properties.

4.4

Tolerance Calculator

Calculate manufacturing tolerances, fits, and geometric dimensioning for precision engineering and quality control applications.

4.3

Resonance Frequency Calculator

Calculate resonance frequencies for LC circuits, mechanical systems, and vibration analysis in engineering applications.

4.4

Capacitance Calculator

Calculate capacitance for parallel plate capacitors, series and parallel combinations, and energy storage in electrical circuits.

4.6

View all calculators in Engineering Calculators

Other Calculators

12 calculators

View Category

Discover a collection of other useful calculators, designed to help you solve various calculations quickly and accurately

Age Calculator

Calculate your exact age in years, months, days, hours, minutes, and seconds. Perfect for birthdays, anniversaries, age verification, and milestone tracking.

4.6

Date Calculator

Add or subtract days, weeks, months, and years from any date. Calculate the difference between two dates and plan future events accurately.

4.6

Time Calculator

Add, subtract, and convert time units. Calculate elapsed time, work hours, time zones, and duration between time periods accurately.

4.5

Hours Calculator

Calculate work hours, overtime pay, break times, and total hours worked. Perfect for payroll, time tracking, and project management.

4.5

Countdown Timer

Create customizable countdown timers for events, deadlines, and special occasions. Track time remaining with precision down to seconds.

4.7

Password Generator

Generate secure, strong passwords with customizable length, character sets, and complexity. Protect your accounts with unique, unguessable passwords.

4.7

Data Converter

Convert between data storage units including bytes, KB, MB, GB, TB, and binary/decimal systems for accurate file size calculations.

4.8

Leap Year Checker

Check if any year is a leap year using the Gregorian calendar rules. Understand leap year patterns and February 29th occurrences.

4.7

Weather Channel

Get current weather conditions, forecasts, and weather alerts for any location worldwide. Track temperature, humidity, and weather patterns.

4.4

Zodiac Calculator

Discover your zodiac sign, horoscope, and astrological characteristics based on your birth date using both Western and Chinese zodiac systems.

4.3

Pomodoro Timer

Boost productivity with the Pomodoro Technique timer. Work in focused 25-minute intervals with breaks to enhance concentration and efficiency.

4.7

QR Code Generator

Generate QR codes for URLs, text, contact info, WiFi credentials, and more. Create scannable QR codes for easy information sharing.

4.7

Education Calculators

6 calculators

View Category

Free education calculators for GPA, grade conversion, study time, education costs & loans. Essential tools for students, parents & educators worldwide.

(Grade Point Average) GPA Calculator

Calculate your Grade Point Average (GPA) for high school, college, or university using various grading scales and credit hours.

4.4

Study Time Calculator

Plan optimal study schedules and estimate time needed for exams, assignments, and learning goals based on difficulty and retention rates.

4.9

Student Loan Calculator

Calculate student loan payments, interest costs, and repayment schedules. Compare different loan options and repayment plans.

4.4

Education Cost Calculator

Calculate total education costs including tuition, fees, books, housing, and living expenses for college and university planning.

4.3

Program Completion Time Calculator

Estimate graduation timeline for degree programs based on credit hours, course load, and academic schedule planning.

4.7

Language Proficiency Calculator

Assess language learning progress and estimate time needed to achieve fluency levels based on study habits and immersion.

4.3

Insurance Calculators

8 calculators

View Category

Complete collection of free insurance calculators: life, health, auto, home, travel insurance. Calculate premiums, deductibles & coverage instantly!

Car Insurance Calculator

Estimate car insurance premiums based on vehicle type, driving history, coverage options, and personal factors.

4.8

Life Insurance Calculator

Calculate life insurance coverage needs, premium costs, and policy benefits based on income, debts, and family financial security.

4.8

Health Insurance Calculator

Compare health insurance plans, calculate premiums, deductibles, and out-of-pocket costs to find optimal healthcare coverage.

4.3

Home Insurance Calculator

Estimate home insurance premiums and coverage amounts based on property value, location, and protection needs for homeowners.

4.6

Travel Insurance Calculator

Calculate travel insurance costs and coverage for trips including medical, cancellation, baggage, and emergency protection.

4.3

Insurance Deductible Calculator

Calculate optimal insurance deductible amounts and compare how deductible choices affect premiums and out-of-pocket costs.

4.5

Insurance Premium Calculator

Calculate life insurance premiums based on age, health, coverage amount, and personal factors. Get accurate premium estimates instantly with our free calculator.

4.4

Income Protection Calculator

Calculate income protection insurance premiums based on income, occupation, health, and coverage options. Protect your earning capacity with accurate premium estimates.

4.7

Investment & Stocks

10 calculators

View Category

Comprehensive collection of free investment and stock calculators: compound interest, portfolio returns, dividend yield, stock valuation, retirement planning & more. Make smarter investment decisions today!

ROI Calculator

Calculate return on investment (ROI) with our free online calculator. Analyze investment performance, compare opportunities, and make informed financial decisions.

4.5

Stock Profit Calculator

Calculate stock trading profits, losses, taxes, and returns with our free calculator. Include commission costs and tax rates for accurate trading analysis.

4.7

Bond Yield Calculator

Calculate bond yields including current yield, yield to maturity (YTM), and total returns. Analyze bond investments with comprehensive yield calculations and performance metrics.

4.4

Net Present Value Calculator

Calculate net present value (NPV) for investments and projects. Determine profitability with our free NPV calculator including IRR and payback period analysis.

4.9

Internal Rate of Return Calculator

Calculate internal rate of return (IRR) for investment projects and financial analysis. Determine profitability with our free IRR calculator including NPV and payback period analysis.

4.7

Price Earnings Ratio Calculator

Calculate price earnings ratio (P/E ratio) for stock valuation and investment analysis. Evaluate stock prices with our free P/E ratio calculator including comparative analysis tools.

4.8

Dividend Yield Calculator

Calculate dividend yield percentage for stocks and investments. Determine annual dividend income and compare investment returns with our free dividend yield calculator.

4.4

CAGR Calculator

Calculate compound annual growth rate (CAGR) for investments and track portfolio performance over time. Analyze investment returns with our free CAGR calculator.

4.6

Beta Calculator

Calculate Beta coefficient to measure stock volatility relative to market movements. Analyze investment risk and portfolio correlation with our free Beta calculator.

4.5

Sharpe Ratio Calculator

Calculate Sharpe Ratio to measure risk-adjusted portfolio returns. Analyze investment performance and compare portfolios with our free Sharpe Ratio calculator.

4.5

Savings & Retirement

12 calculators

View Category

Comprehensive collection of free savings and retirement calculators: compound interest, 401k retirement funds, IRA, savings goals, inflation and more. Plan your smart financial future today!

Monthly Savings Calculator

Calculate how much you need to save monthly to reach your financial goals. Plan savings with compound interest projections, timeline analysis, and personalized recommendations.

4.4

Retirement Fund Calculator

Calculate how much you need to save for retirement and plan your financial future. Analyze compound interest, investment growth, and retirement income projections with detailed charts.

4.9

401k Calculator

Free 401k calculator to calculate your retirement savings with employer matching. Analyze compound interest, contribution limits, and retirement projections with detailed charts.

4.6

Roth IRA Calculator

Free Roth IRA calculator to plan your tax-free retirement savings. Calculate growth projections, contribution limits, and withdrawal strategies with detailed charts.

4.2

Traditional IRA Calculator

Free traditional IRA calculator to project retirement savings, calculate tax benefits, and plan your retirement income. See how your contributions grow tax-deferred over time.

4.8

Emergency Fund Calculator

Free emergency fund calculator to determine your financial safety net needs. Calculate target amounts, coverage periods, and savings timelines for financial security.

4.3

Savings Goal Calculator

Free savings goal calculator to plan and track your financial objectives. Calculate monthly contributions needed to reach savings targets with compound interest projections.

4.7

Inflation Calculator

Free inflation calculator to analyze how inflation affects money value and purchasing power over time. Calculate future value, real value, and inflation impact with detailed projections.

4.7

Purchasing Power Calculator

Free purchasing power calculator to analyze how inflation erodes money value and purchasing power over time. Calculate real value, inflation impact, and financial planning insights.

4.9

Future Value Calculator

Calculate the future value of your investments with compound interest. Plan your financial goals with our free online future value calculator.

4.8

Disability Insurance Calculator

Calculate disability insurance premiums based on income, age, occupation, and coverage options. Protect your income with accurate calculations.

4.9

Unemployment Insurance Calculator

Calculate unemployment insurance benefits, eligibility, and duration based on your earnings, work history, and state requirements. Get accurate UI benefit estimates.

4.2

Tax & Accounting

8 calculators

View Category

Comprehensive collection of free tax and accounting calculators: income tax, VAT, payroll, business expenses, deductions, and more. Calculate taxes accurately and plan your finances today!

Income Tax Calculator

Calculate your federal and state income taxes for 2024. Free online tax calculator with deductions, tax brackets, and take-home pay estimates. Plan your taxes effectively.

4.7

Corporate Tax Calculator

Calculate your corporate tax liability, deductions, and after-tax profits with federal corporate tax rates. Free online corporate tax calculator with detailed breakdown and tax planning tips.

5.0

Property Tax Calculator

Calculate your annual property taxes, monthly payments, and compare with state averages. Free online property tax calculator with detailed breakdown and tax planning tips.

4.6

Capital Gains Tax Calculator

Calculate your capital gains tax liability and net profit from investments with accurate federal and state tax calculations. Free online capital gains tax calculator with detailed breakdown and tax planning tips.

4.6

Inheritance Tax Calculator

Calculate inheritance tax, estate tax, and tax liability for beneficiaries. Free online inheritance tax calculator with detailed breakdown and tax planning tips.

4.3

Import Export Tax Calculator

Calculate import and export taxes, customs duties, VAT/GST, and international shipping costs. Free import export tax calculator with detailed breakdown and cost estimation for international trade.

4.2

Effective Tax Rate Calculator

Calculate your effective tax rate and compare it with marginal tax rate. Free effective tax rate calculator with detailed breakdown and tax optimization tips.

4.5

Marginal Tax Rate Calculator

Calculate your marginal tax rate and understand which tax bracket you're in. Free marginal tax rate calculator with detailed tax bracket information and income analysis.

4.8

Business & Corporate Finance

10 calculators

View Category

Comprehensive collection of free business and corporate finance calculators: cash flow, ROI, NPV, IRR, break-even, profit margins, business valuation, and more. Make smarter business decisions today!

Revenue Calculator

Calculate your total revenue including discounts and taxes. Free online revenue calculator for businesses and sales professionals with detailed breakdowns.

4.7

Profit Calculator

Calculate profit, profit margin, and markup with our free profit calculator. Analyze revenue, costs, and profitability for better business decisions.

4.6

Cost of Capital Calculator

Calculate weighted average cost of capital (WACC), cost of equity, and cost of debt. Free online cost of capital calculator for financial analysis and investment decisions.

4.9

Break Even Calculator

Calculate break even point in units and revenue with our free calculator. Analyze contribution margin and determine profitability targets for your business.

5.0

Debt to Equity Ratio Calculator

Calculate debt to equity ratio (D/E ratio) to measure financial leverage and solvency. Free online calculator with interpretation, benchmarks, and analysis for investors and businesses.

4.4

Current Ratio Calculator

Calculate your current ratio to assess liquidity position. Free online tool to determine financial health and working capital. Perfect for business owners and financial analysis.

4.6

Quick Ratio Calculator

Calculate your quick ratio (acid-test ratio) to assess immediate liquidity position. Free online tool to determine financial health excluding inventory. Perfect for business owners and financial analysis.

4.2

Inventory Turnover Calculator

Calculate inventory turnover ratio to assess how efficiently your business manages and sells its inventory. Free online tool for inventory management analysis and business efficiency evaluation.

4.5

Cash Conversion Cycle Calculator

Calculate your cash conversion cycle (CCC) to measure how efficiently your business manages working capital. Free online tool for financial analysis and cash flow optimization.

4.9

Economic Value Added Calculator

Calculate Economic Value Added (EVA) to measure your company's financial performance and value creation. Free online EVA calculator with detailed analysis.

4.6

Need a Specific Calculator?

Can't find what you're looking for? Browse our categories or use our search feature to find the perfect calculator for your needs.

Browse Categories