Age Calculator
Browse 71 free age calculator tools for instant, accurate results.
Most Popular Age Calculator
Showing 71 calculators
Average Calculator
Calculate the average (mean), median, mode, range, and other statistics for any set of numbers. S...
Grade Calculator
Calculate your final grade, current course grade, or what score you need on your final exam. Supp...
Fractions Calculator
Add, subtract, multiply, and divide fractions with ease. Simplify fractions, convert to decimals ...
GPA Calculator
Calculate your GPA (Grade Point Average) for high school or college. Supports weighted and unweig...
Ratio Calculator
Calculate, simplify, and solve ratios and proportions. Find equivalent ratios, convert to fractio...
Area Calculator
Calculate the area of any shape instantly. Find area of triangles, circles, rectangles, squares, ...
Pregnancy Calculator
Calculate your pregnancy due date, find out how many weeks pregnant you are, track your pregnancy...
Age Calculator
Calculate your exact age in years, months, and days from your date of birth. Find out how old you...
Tip Calculator
Use our free tip calculator to calculate tip amount, total bill with tip, and split among friends...
Body Fat Calculator
Calculate your body fat percentage using the accurate Navy method with waist and neck measurement...
Discount Calculator
Use our free discount calculator to calculate sale prices, discount percentages, and savings inst...
Percentage Calculator
Use our free percentage calculator to calculate percent of a number, percentage increase, decreas...
Mortgage Calculator
Calculate your monthly mortgage payment with down payment using our free home loan calculator. Ge...
Fuel Economy Calculator
Calculate your vehicle's fuel consumption, trip cost, and CO2 emissions. Supports both metric (L/...
Final Grade Calculator
Enter your current course grade, the final exam weight, and the grade you want — instantly see ...
Solar Panel Calculator
Calculate solar panel system size, daily energy output, number of panels needed, and estimate pot...
Voltage Drop Calculator
Calculate voltage drop in electrical wiring for single-phase and three-phase circuits. Determine ...
Decimal Calculator
Perform decimal arithmetic and convert between decimals, fractions, and percentages. Handles repe...
Vehicle Depreciation Calculator
Calculate how much your car or truck loses in value each year. Choose from declining balance (rea...
BAC Calculator
Calculate your estimated blood alcohol content (BAC) based on weight, gender, number of drinks, a...
Power Calculator
Calculate electrical power, current, voltage, or resistance from any two known values. Supports D...
Carbon Emission Calculator
Estimate your CO2 carbon footprint from driving, flights, and home energy use. Get a full emissio...
Concrete Calculator
Calculate concrete volume and materials needed for your construction project. Supports slabs, foo...
AI Token Calculator
Calculate AI token count, cost, and usage for OpenAI GPT-4o, Claude, Gemini, and other LLMs. Conv...
Typing Speed
Free online typing speed test to measure your words per minute (WPM) and accuracy. Choose from 1,...
HVAC Load Calculator
Calculate HVAC heating and cooling load requirements using Manual J simplified methodology. Deter...
CGPA Calculator
Convert CGPA to percentage (and back) using the 10-point, 7-point, or 4-point scale with CBSE × ...
Cutting Macros Calculator
Calculate TDEE, calorie deficit or surplus, and macro targets (protein/carbs/fat) for cutting, le...
Probability Calculator
Calculate probabilities for any scenario with step-by-step solutions. Supports basic, conditional...
Paint
Calculate exactly how much paint you need for any interior or exterior project. Enter room dimens...
Tile
Calculate exactly how many tiles you need for any floor, wall, bathroom or backsplash project. En...
Overtime Pay
Calculate overtime pay, time and a half, and double-time from your hourly rate and hours worked. ...
Dog Age Calculator
Convert your dog's age to human-equivalent years using the 2019 Cell Systems (Wang et al.) epigen...
Electricity Cost
Calculate electricity costs for any appliance based on wattage, usage hours, and your electricity...
Mulch
Calculate exactly how much mulch you need for any garden bed, tree ring, flower border or playgro...
Pool
Pool calculator for volume in gallons or liters, chlorine and shock dose, salt for SWG systems, p...
Cat Age
Convert your cat's age into human years using the AAHA (American Animal Hospital Association) sta...
Carpet
Calculate exactly how much carpet you need for any room or commercial space. Enter room dimension...
Square Footage Calculator
Use our free square footage calculator to compute the area of any room or space in square feet. S...
1RM Calculator
Estimate your one rep max (1RM) from any submaximal lift using the Epley, Brzycki, or Lombardi fo...
Stock Profit Calculator
Use our free stock profit calculator to compute net profit, profit percentage, and total return f...
Life Insurance Calculator
Use our free life insurance calculator to find out how much coverage you really need. Computes co...
Hourly to Salary Calculator
Convert an hourly wage to a full-year salary — or a salary to its equivalent hourly rate — in...
Statistics Calculator
Free descriptive statistics calculator. Enter your data set and instantly compute count, mean, me...
Conception Calculator
Estimate your conception date from a due date, last period (LMP), or ultrasound dating scan. Free...
Health Insurance Calculator
Use our free health insurance calculator to estimate your total yearly cost including monthly pre...
Invoice Calculator
Use our free invoice calculator to add line items, apply discounts and tax, account for deposits,...
Net Worth Calculator
Use our free net worth calculator to calculate your total net worth by adding up all assets and s...
Inflation Calculator
Use our free inflation calculator to see how inflation erodes purchasing power over time. Calcula...
Max Heart Rate Calculator
Use our free max heart rate calculator with 4 proven formulas (Tanaka, Fox, Gulati for women, Nes...
Refinance Calculator
Use our free refinance calculator to find out if refinancing your mortgage will save you money. C...
HR Zone Calculator
Use our free heart rate zone calculator with the Karvonen formula to compute 5 training zones (Re...
Dividend Yield Calculator
Use our free dividend yield calculator to compute annual dividend yield, total dividend income, a...
Car Insurance Calculator
Use our free car insurance calculator to estimate your monthly and annual premium based on driver...
Home Insurance Calculator
Use our free home insurance calculator to estimate dwelling coverage, personal property, liabilit...
Mortgage Affordability
Use our free mortgage affordability calculator to find out how much house you can afford. Enter y...
Cash on Cash Calculator
Use our free cash on cash return calculator to compute the actual return on the cash you invest i...
Beta Calculator
Use our free beta calculator to compute stock beta from 3 methods: historical returns dataset, co...
VO2 Max Calculator
Use our free VO2 max calculator to estimate your maximum oxygen uptake using 4 validated test met...
CAGR Calculator
Use our free CAGR calculator to compute the compound annual growth rate of any investment, stock,...
Effective Tax Rate Calculator
Use our free effective tax rate calculator to find your overall tax burden as a percentage of gro...
D/E Ratio Calculator
Use our free debt to equity ratio calculator to compute D/E, debt ratio, equity ratio, and financ...
Rental Yield Calculator
Use our free rental yield calculator to compute gross and net rental yield, plus cash yield after...
Disability Insurance Calculator
Use our free disability insurance calculator to figure out how much income protection you need an...
CV Risk Calculator
Use our free cardiovascular risk calculator to estimate your 10-year risk of heart attack or stro...
Bond Yield Calculator
Use our free bond yield calculator to compute current yield, yield to maturity (YTM), and total r...
IRR Calculator
Use our free IRR calculator to compute the internal rate of return for any project or investment....
Vitamin Calculator
Use our free vitamin and mineral calculator to look up the daily Recommended Dietary Allowance (R...
Muscle Mass Calculator
Use our free muscle mass calculator to estimate skeletal muscle mass and skeletal muscle mass ind...
LBM Calculator
Use our free lean body mass (LBM) calculator with three formulas — Boer, James, and Hume — pl...
Fiber Calculator
Use our free fiber calculator to determine your daily fiber recommendation based on age, sex, and...