AGRICULTURE AND HORTICULTURE
Aquaculture
•
California Aquaculture Calculators — all sorts of California aquaculture calculators
Acreage •
Acreage Calculator — a simple and handy calculator for measuring acreage
Fertilizer & Spreaders
•
MG Fertilizer Calculator — measures the amount and type of fertilizer your soil needs
•
Spreader Setting Calculator
— calculate the setting of a spreader based on fertilizer brand
Pesticides/Herbicides & Sprayers
•
Turf Spray Calculators — computes the spray rate and amount of pesticide to spray for safety and effectiveness
AVIATION Flight Plan
•
Aeroplanner
— a good resource for measuring the flight plan
Flight Time •
Time and Distance Calculator — calculates the distance and the time of a flight
Flight Route •
Aviation's Databases — those seeking to measure a flight’s route and distance should find this tool useful
AUTOMOBILES, TRUCKS, & MOTORCYCLES
New & Used Car Pricing
•
Real Cost of Car Ownership — calculator demonstrating how the cost of a new or used car is more than its sticker price
Measurement & Torque
•
Horsepower Design Equations — allows for the measurement of torque
Car Payment •
Loan Calculator — a great calculator for estimating one’s total car payment
Car Depreciation •
Car Depreciation Calculator — gives the first year and total lifetime car depreciation amount
AUTOMOTIVE DESIGN AND DEVELOPMENT
Emissions •
Emissions Maps and Calculators — estimate the amount of greenhouse gases your travel produces with this resource
Fuel: Costs & MPG •
AAA Fuel Cost Estimator
— allows drivers to get an idea of the fuel cost for a planned trip
•
MPG Calculator — tool to show how much gas mileage you are really getting
LEASE, LOANS, FINANCES & TAXES
Tax Calculator •
Withholding Calculator — multi-page calculator for making sure you have enough U.S. income tax withheld from your paychecks
Loan Calculator •
Loan Interest Calculator — helps users figure out how quickly they will repay loans under different scenarios
Lease Calculator •
Lease Calculator
— helps users figure out the monthly lease payment under multiple purchase
options and various scenarios
Finance Rate •
APR Calculator — measures the real annual percentage rate of any loan
Mortgages •
Mortgage Payment Calculator — allows users to estimate a monthly mortgage payment and total real cost for a home
Retirement/Benefits •
Retirement Planner — keep track of how well you will be funded for retirement with this tool
•
Retirement Income Calculator — tells you how much your benefits and more will provide in retirement
Salary/Hourly Wage & Timesheets
•
Salary Calculator USA — measure your real salary, take home pay, and more with these calculators
Social Security •
Benefit Calculator — allows you to estimate your future Social Security benefits
Trust Funds •
Trust Fund Calculator
— tool that gives actual present value of a trust fund
GAMBLING Blackjack
•
Online Blackjack Calculators — many calculators that can improve your odds at blackjack
Horse Racing •
Exotic Wager Cost Calculator — gives the cost of an exotic wager at a horse race
Odds & Percentages •
Lottery Games Odds Calculator — measure your real odds in many kinds of lottery
Poker •
Poker Tools — measure the odds for any given hand in any given poker game
Slot Machines •
Slot Machine Simulation — simulate a slot machine game and get the odds for winning
CAMERA Depth of Field
•
Depth of Field Master — handy resource for photographers to measure their depth of field
Exposure •
Pinhole Calculator — lets photographers measure various exposure times and more
Field of View •
Field of View Calculators — calculate the field of view for several Canon and Nikkon cameras
Film Development •
Massive Development Chart — largest database of development information for black and white film that allows users to contribute data
Shutter Speed •
Shutter Speed Calculator — online tool for calculating shutter speed
Sun's Position •
Sun's Position Calculator — gives users the ability to determine the sun’s position anywhere and at any time of the year
CLOCKS & SUNDIALS
Clocks/Watches/Time Sundials
•
Time Duration Calculator — allows user to measure the numbers of hours and minutes between two times on the clock
•
Time Zone Converter — give the time in one time zone and figure out the time in another
Solar Energy •
Solar Power Calculator — measure the size and cost of a solar power project at your home or other location
Wind Energy •
Wind Turbine Payback — calculate how long it will take to recoup an investment in a mini wind turbine
CLOTHING & APPAREL
International Conversion
•
Clothing Size Conversion Table — chart allowing users to find clothing size equivalents between the United States, the UK, and Europe
•
Online Clothing Conversions — many different online clothing size conversions, including shoes, rings, and more
COOKING & NUTRITION
Conversion Sizes
•
Cooking Conversion Calculator — at-home cooks will relish this easy-to-use cooking size convertor
Caloric Rates •
Daily Calorie Needs — figure out how many calories your body needs every day
•
BMR Calculator — estimate the amount of calories your body burns when at rest, the basal metabolic rate
Body Fat & Mass •
Body Fat Percentages — lets you calculate your body fat percentage
•
Standard BMI Calculator — find out if you have a healthy body mass index with this instrument
Calories in Food •
Calories & Nutrition Calculator — calculate the amount of calories you consume, including packaged foods
MUSIC
Scales •
Scale Tool — free registration required for this tool that allows you to recalculate scales and tune pianos and guitars
Notes •
Frequency to Note Calculator — allows users to determine what notes certain frequencies represent
Tuning •
Musicalc — sound engineers and musicians will like this downloadable calculator that calculates tempo, delay, and frequency
•
Music Calculator — several different musical calculators to help with tuning and other musical calculations
Intervals •
IntervalCalc — an interval calculator available through sharing art or for a small fee
BASIC MATH CALCULATORS
Basic Math
•
Basic Math Calculator — a simple calculator that performs all basic math functions
•
Simple Logarithm Calculator — calculate simple logarithms with this handy calculator
•
Square Root Calculator — find the square root of any number with this tool
•
Trigonometry Function Calculator — a calculator to measure sine, cosine, tangent, and more
•
Analytical Geometry Calculators — various calculators to for use in analytical geometry
•
Statistics Calculators — tons of free statistics calculators
•
Calculus Calculators — all manner of calculus-related calculators
Adding Machines •
Adding Machine or Running Tape Calculator — allows users to run a calculator online that works just like a physical adding machine
Paper Tape Calculators •
Paper Tape Calculator 2.3 — free downloadable program that converts calculations into a .txt format
Fractions •
Fraction Calculator — add, multiply, subtract, or divide with this easy-to-use fraction calculator
•
Fraction to Decimal Calculator — tool for the conversion of fractions into decimals
Unit Conversion •
Hour Minute Calculator — convert hours to minutes, add total times, and more
•
Distance and Length Conversion Online — change kilometers to miles and convert many other distance units
•
Length Units Converter — various length units can be converted into other forms on this page
•
Speed Unit Converter — convert speed measurements from one system to another here
•
Weight Converter — find the equivalents of grams to ounces, kilograms to pounds, and more
•
Volume Conversion Calculator — change liters to gallons and convert other volume units between the metric and imperial measurement systems
CURRENCY/CONVERSION Foreign Trade
•
Free Currency Calculators — calculate different currency values relative to one another and more
Import/Export •
Duty Calculator — calculates the cost to import and export goods from Europe
•
Export Price Index Calculator — figure the export price according to inflation with this calculator
Inflation/Cost-of-Living •
Inflation Calculator — calculates the value of dollars between various years according to historic inflation
•
Cost-of-Living Calculator — measure the difference in the cost-of-living between many different cities
Interest Rate •
Compound Interest Calculator — see how savings can grow over time with this compound interest calculator |