Helpful Calculators to Manage Your Home and Property

Agriculture & Horticulture

Agriculture

• Garden Mulch Calculator — Gardeners can figure out the amount of mulch they need for their garden here.
• Number of Plants Calculator — This page allows users to figure out the maximum number of plants that they can put in their garden given a rectangular or triangular grid.

Acreage

• CSG Acreage Calculator — This calculator will provide acreage totals as well as square feet, square inches, and more.
• Mary Dunn Acreage Calculator — Enter length and width in feet to get a measurement in acres.

Fertilizer & Spreaders

• Fertilizer Calculator — Enter values from fertilizer and soil test to determine how much fertilizer needs to be added to an area.
• Turf Fertilizer Calculator — Users can determine how much fertilizer to use with this tool.

Pesticides/Herbicides & Sprayers

• Tank Mix Calculator — Here is a tool for calculating herbicide applications.
• Turf Spray Calculator — This calculator enables users to calculate the amount of liquid pesticide needed for a given area.

Automobile, Truck & Motorcycle

New & Used Car Pricing

• Auto Loan Calculator — Using this calculator, it is possible to compare auto loan types and determine pricing and monthly payments.
• Kelley Blue Book Calculator — Click through the links on this page to determine what the real price should be for a new or used car.

Measurement & Torque

• Maryland Metrics Torque Calculator — Torque unit conversions can be calculated on this page.
• Motor Torque — This page has an easy to use calculator to determine motor torque.

Car Payment

• Bankrate Auto Loan Calculator — Bankrate’s auto loan calculator determines the amount of a car payment and gives an amortization schedule.
• How Much Car Can I Afford? — Enter a few sums to figure out how much of a car a particular monthly payment can buy.

Car Depreciation

• Car Value Calculator — This is a simple car depreciation calculator.
• Money-Zine: Car Depreciation — Determine how much a car will depreciate in value over time with this calculator.

Automotive Design & Development

Emissions

• Carbon Dioxide Emissions Calculator — Here users can calculate their car emissions, the other emissions they produce as well, and receive tips for offsetting them.
• Carbon Footprint Calculator — This tool enables drivers to measure what their emissions are contributing to their carbon footprint.

Fuel: Costs & MPG

• KOA Fuel Cost Estimator — This calculator enables drivers to estimate the impact of rising gas price on their wallets.
• Miles Per Gallon Calculator — Measure gas mileage with this handy tool.

Lease, Loans, Finance & Taxes

Tax Calculator

• Federal Tax Estimator — Estimate tax liability or refund with this useful calculator.
• Withholding Calculator — The IRS provides this calculator to help users figure out how much tax should be withheld from their income each payday.

Loan Interest

• AIER Loan Calculator — The American Institute for Economic Research provides this calculator to help users figure out monthly payments and total cost of a loan.
• Loan Interest Calculator — Here is a tool that estimates monthly payments, total interest, and provides different payment plans for any loan.

Finance Rate

• APR Calculator — This annual percentage rate calculator figures the true annual cost of a loan.
• Auto Loan APR Calculator — Even though this calculator is called an auto loan apr calculator, the apr for any loan can be found by using it.

Mortgages

• Mortgage APR — Users can figure the true annual percentage rate on their mortgage with this calculator.
• Refinance Calculator — This tool shows mortgage holders whether or not a refinance of their loan is worth it.

Retirement/Benefits

• Retirement Pensions Planner — Determine how much a person needs to save for retirement with this calculator.
• Retirement Planner — Here is a calculator that shows users if they are on track to meet their retirement goals.

Salary/Hourly Wage & Timesheets

• Time Sheet Calculator — Calculate total hours worked in a week using this calculator.
• Wage and Salary Converter Calculator — Convert hourly salary to annual salary and more with this tool.
• Time Card Calculator — A free, easy to use calculator to add up hours plus many excel timesheet templates to calculate lunch and overtme.

Social Security

• Social Security Benefit Calculator — A handy estimate of what an individual can expect from social security is found here.
• Social Security Retirement Estimator — Enter personal information on this multipage calculator to determine Social Security benefits in retirement.

Trust Funds

• Net Present Value Calculator — Here is a calculator to figure out the net present value of a trust fund.
• Trust Fund Calculator — This calculator estimates the future value of a trust fund.

Clocks & Sundials

Clocks/Watches/Time Sundials

• Date Duration Calculators — On this page, users can figure out the duration of time between two calendar dates.
• Time Duration Calculator — Figure out the amount of time before two different times using this calculator.

Solar Energy

• Solar Calculator — Estimate the needed size of a home solar energy system using this site.
• Solar Energy Calculator — This calculator will help homeowners figure out the amount of solar energy they can generate.

Wind Energy

• Solar and Wind Energy — Fill out this several page calculator to estimate how much one can save by using wind or solar power.
• Wind Turbine Power System — Here users can estimate how big of a wind turbine is needed to help power a home.

Cooking & Nutrition

Conversion Sizes

• Basic Cooking Conversions Calculator — Cooks can convert cooking measurements using this tool.
• Cooking Conversion Calculator — Figure equivalencies within the same measurement system and between different systems with this calculator.

Calories in Food

• Calorie Calculator — The Mayo Clinic provides this tool to measure how many calories are needed to maintain one’s current weight.
• Food Calorie Calculator — WebMD allows users to find out the amount of calories in many different foods on this page.

Basic Math Calculators

Basic Math

• Basic Math Calculator — Add, subtract, multiply, and divide with this simple calculator.
• Scientific Calculator — This scientific calculator allows users to perform some more complex mathematical functions online.

Adding Machines

• Adding Machine Calculator — This online adding machine generates a virtual paper tape that can be printed.
• Screen Tape Adding Machine — With this online adding machine, users can perform functions with up to 300 different numbers.

Paper Tape Calculators

• Carl's Printing Calculator — An online version of a paper tape calculator can be found here.
• "Paper Tape" Scientific Calculator — This is a good online version of a “paper tape” scientific calculator.

Fractions

• Online Fraction Calculator — Add, subtract, multiply, and divide fractions with this calculator.
• Fraction Simplifying Calculator — Convert fractions into percents, decimals, and more on this page.

Unit Conversion (Time, Distance, Length, Speed, Weight, Etc.)

• International Unit Conversion Calculator — This calculator allows for the conversion of units related to mass, length, temperature, pressure, volume, area, and more.
• Online Conversion Calculator — A variety of unit conversion calculators can be found on this site.