Calculator Tools

Estimate your retirement savings with our comprehensive 401(k) calculator. Calculate projected retirement balance, early withdrawal costs, and maximize employer matching contributions.

Calculate your age in years, months, days, hours, minutes, and seconds with our age calculator.

Calculate loan amortization schedules, monthly payments, and total interest for mortgages, auto loans, and personal loans. Analyze extra payment scenarios to save thousands in interest.

Calculate your annual mileage and estimate fuel costs with our easy-to-use Annual Mileage Calculator.

Calculate the average (mean) and median of any set of numbers. Enter values separated by commas, spaces, or paste from spreadsheets. Get instant statistical analysis including sum, count, min, max, and range.

Calculate the area of any shape instantly. Supports squares, rectangles, triangles, parallelograms, trapezoids, circles, and ellipses.

Calculate your Body Mass Index (BMI) and understand your weight category with our easy-to-use BMI calculator supporting both metric and imperial units.

Calculate calories burned during exercise and daily activities. Uses accurate MET values for over 40 activities including running, cycling, swimming, sports, and household tasks.

Calculate call center staffing needs using Erlang B or Erlang C, factoring call volume, handling time, and service level to fine tune customer wait times.

Calculate IPv4 and IPv6 subnets with CIDR notation. Determine network addresses, broadcast addresses, subnet masks, and host ranges for network planning.

Calculate how far you can travel with a given amount of fuel, or determine how much fuel you need for a specific distance.

Easily estimate your take-home pay with our free Paycheck Calculator. Calculate net pay after taxes and deductions instantly.

Calculate tips and split bills easily. Perfect for restaurants, service providers, and group expenses with customizable tip percentages.

Calculate the day of the year for any date with our easy-to-use tool.

Estimate your federal income tax, refund, and effective tax rate based on your filing status, income, and deductions. Updated for 2025 tax year.

Calculate compound interest growth with regular contributions, tax effects, inflation adjustment, and detailed yearly breakdowns for investment planning.

Calculate compound interest with additional contributions and compare different investment scenarios with interactive charts.

Calculate EE bond maturity values, interest earned, and growth projections. Track current value with Treasury interest rates and early withdrawal penalties.

Calculate how much money you need to contribute each month to reach your specific savings goal with compound interest calculations.

Calculate loan payments, total interest, and payoff scenarios for personal loans, auto loans, and mortgages. Compare loan options and analyze early payoff benefits.

Calculate monthly mortgage payments, PMI, amortization schedules, and analyze extra payments. Supports conventional, FHA, and VA loans with comprehensive cost analysis.

Calculate your mortgage payoff date and see how extra monthly payments can save you thousands in interest. Visualize your payoff timeline with detailed schedules.

Calculate your Grade Point Average with weighted and unweighted systems, semester GPA calculation, and target GPA planning for academic success.

Calculate University of Florida weighted GPA using Florida's grading system with AP, IB, AICE, Honors, and Dual Enrollment course bonuses for admissions.

Calculate your cumulative GPA by combining previous semesters with new courses. Track your overall academic progress and plan future grades to achieve your goals.

Calculate returns on stocks, bonds, mutual funds, and other investments. Factor in dividends, fees, taxes, and analyze dollar-cost averaging scenarios.

Convert power in watts (W) to energy in kilowatt-hours (kWh). Calculate energy consumption, electricity costs, and environmental impact for appliances and devices.

Calculate battery backup time and required capacity for UPS systems, off-grid power, and emergency backup solutions with comprehensive energy analysis.

Convert frequency to wavelength using λ = c/f formula. Calculate electromagnetic wave properties for radio, microwave, and optical frequencies with different mediums.

Decode capacitor color bands to determine capacitance values, tolerance, and specifications. Supports 3, 4, and 5-band capacitors with visual color selection.

Calculate pregnancy due dates from last menstrual period or conception date. Include trimester breakdowns, important milestone dates, appointment schedules, and fetal development information.

Calculate your body fat percentage using US Navy method and BMI method. Free body fat calculator with comprehensive results, ideal ranges, and health recommendations.

Convert cubic yards to tons for construction materials, soil, gravel, and more. Free calculator with material densities for accurate volume to weight conversion.

Calculate voltage, current, resistance, and power using Ohm's Law. Free calculator with step-by-step solutions, formulas, Ohm's Law wheel, and educational content about electrical circuits.

Calculate area and square footage for rooms, houses, and irregular spaces. Support for different shapes (rectangle, circle, triangle), multiple rooms, and conversion between different area units.

Calculate with mixed numbers and fractions. Add, subtract, multiply, and divide mixed numbers with step-by-step solutions, conversions between mixed and improper fractions.

Convert improper fractions to mixed numbers with step-by-step solutions. Free calculator with detailed explanations, examples, and conversion process.

Convert mixed numbers to improper fractions with step-by-step solutions. Free calculator with detailed explanations, examples, and educational content.

Convert decimal numbers to fractions and mixed numbers with step-by-step solutions. Supports repeating decimals, simplification, and detailed conversion process.

Decompose rational functions into partial fractions with step-by-step solutions. Supports linear and quadratic factors for calculus, algebra, and integration problems.

Calculate how long or how much exercise is needed to burn fat. Estimate time to lose 1 lb/1 kg with various activities and get personalized weight loss projections based on BMR and TDEE.

Calculate your daily calorie requirements based on age, height, weight, sex, and activity level. Get personalized BMR and TDEE calculations for weight loss, maintenance, and weight gain goals.

Plan retirement savings with calculations for 401(k), IRA, and other retirement accounts. Include employer matching, inflation adjustments, withdrawal strategies, and social security projections.

Calculate business break-even points considering fixed costs, variable costs per unit, and selling price. Include margin of safety calculations, target profit analysis, and sensitivity analysis for price changes.

Convert salary between hourly, weekly, monthly, and annual pay. Calculate both unadjusted and adjusted salaries accounting for holidays and vacation days for accurate income planning.

Calculate the change in purchasing power of money over time using historical CPI data. Compare dollar values across years from 1913-2025, project future inflation, and understand how inflation affects your finances.

Calculate your YouTube earnings based on views and RPM (Revenue Per Mille). Estimate your income potential and understand how your video performance translates to actual revenue.

Convert YouTube views to earnings instantly using your RPM (Revenue Per Mille). See how many views you need for your target income and calculate total revenue from any view count.

Calculate how much each video on your channel earns on average. Enter your total views, number of videos, and RPM to find your income per video metric.

Calculate YouTube earnings based on RPM rates for different countries. Select your audience country and view count to estimate total income considering regional advertising rates.

Convert amps to watts using the formula W = A × V. Support for DC, single-phase AC, and three-phase AC power systems with power factor adjustment.

Convert amps to kilowatts using the formula kW = (A × V) ÷ 1,000. Support for DC, single-phase AC, and three-phase AC power systems with power factor adjustment.

Calculate stoichiometric relationships in chemical reactions. Parse balanced equations and determine molar ratios between reactants and products with molar mass calculations.

Calculate the total sum of any set of numbers. Enter numbers separated by commas, spaces, or paste from spreadsheets. Get instant results with sum, count, and average calculations.