Home Calculators

We are working on building a calculator for every computation life throws at you - from the serious to the whimsical. Now also in Spanish and Portuguese!

We currently have 347 calculators available.

3D Printing Cost Calculator - Estimate Project Expenses

Use our 3D Printing Cost Calculator to estimate material, electricity, and machine costs for your prints. Plan budgets accurately and learn tips for saving money.

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Appliance Electricity Cost Calculator - Estimate Energy Expenses

Find out how much your appliances cost to run by entering wattage, hours of use, and electricity rate.

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Beekeeping Hive Population Calculator - Estimate Colony Size

Estimate the number of bees in your hive by entering frame count and bees per frame. Learn how colony population affects management and honey production.

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Carbon Footprint Calculator - Estimate Your Lifestyle CO2 Emissions

Calculate your annual carbon footprint based on home energy, transportation, diet, and waste habits. Discover ways to reduce your environmental impact today.

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Cat Age Calculator - Convert Feline Years to Human Years

Estimate your cat's age in human years quickly. Learn how feline aging works and how to care for cats at every life stage.

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Cryptocurrency Mining Profit Calculator - Estimate Daily Earnings

Predict how much you can earn by mining cryptocurrency. Enter hash rate, power usage, and electricity cost to forecast daily profit.

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Dog Feeding Cost Calculator - Estimate Daily and Monthly Food Expenses

Plan your pet budget by calculating how much it costs to feed your dog each day. Enter dog weight, portion size and food price to see weekly and monthly expenses.

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EV Charging Cost Calculator - Estimate What You Pay to Charge

Find out how much it costs to charge your electric vehicle at home. Enter battery size, electricity rate, and charger efficiency to see the total.

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EV Charging Time & Cost Calculator - Estimate Home Charging

Calculate how long it takes to charge your electric vehicle and how much it costs based on charger power, battery size, and electricity rates.

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EV Road Trip Cost Calculator - Plan Your Charging Budget

Estimate the electricity cost and charging stops for your electric vehicle on a long road trip.

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Garden Irrigation Schedule Calculator - Determine Watering Times

Calculate the ideal watering time for your garden using soil type, climate, area, and sprinkler flow rate. Keep plants healthy and conserve water.

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Garden Planting Calendar Calculator - Plan Your Vegetables

Find the best dates to start seeds and transplant your favorite vegetables based on your local frost date.

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Green Roof Load Calculator - Estimate Added Weight

Estimate the structural load of a vegetated roof by entering area, soil depth, and material density.

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Gutter Size Calculator - Plan Effective Roof Drainage

Determine recommended gutter dimensions based on roof area, rainfall intensity, and roof pitch. Keep your home safe from water damage with properly sized gutters.

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Heat Loss Calculator - Estimate Building Thermal Loss

Calculate heat loss through walls, windows, and other surfaces using area, U-value, and temperature difference. Learn how insulation levels affect energy efficiency.

Home Affordability Calculator - Calculate Your Home Buying Power

Calculate your home affordability with our easy-to-use calculator. Enter your income, debts, down payment, interest rate, and loan term to find out how much house you can afford.

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Home Insurance Premium Calculator - Estimate Annual Coverage Cost

Estimate your annual homeowners insurance premium by entering home value, coverage level, deductible, and risk factors. See how adjustments impact your rate.

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Home Office Deduction Calculator - Estimate Tax Savings

Calculate your potential home office tax deduction using the area method. Enter your office size, total home size, rent, and utilities.

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Home Renovation Budget Calculator - Plan Your Remodeling Costs

Estimate material, labor, and permit expenses for your next remodel with this home renovation budget calculator. Learn tips to manage costs and avoid surprises.

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Home Renovation ROI Calculator - Estimate Your Return

Determine the potential return on investment for your home renovation project. Enter costs, estimated value increase, and annual savings to gauge your ROI.

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Hydroponic Nutrient Calculator - Mix the Right Solution

Calculate the exact amount of nutrient concentrate needed for your hydroponic system based on reservoir size and desired strength.

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Knitting Gauge Converter - Adjust Stitch Counts

Easily convert knitting pattern gauge to match your own swatch. Enter stitches per unit and see the adjusted stitch count for any project.

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Laundry Cost Calculator - Estimate Washing and Drying Expenses

Find out how much it really costs to do laundry at home or the laundromat. Enter washer and dryer power, water usage, detergent cost, and electricity price to see per-load expenses.

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Lawn Mowing Time Calculator - Plan Your Yard Work Efficiently

Estimate how long it will take to mow your lawn by entering yard size, mower width, walking speed, and overlap. Discover tips to cut grass faster and more evenly.

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Pet Age Calculator - Convert Dog and Cat Years to Human Years

Use our Pet Age Calculator to find your dog or cat's age in human years. Learn about pet aging and care tips.

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Pet Food Portion Calculator - Feed Dogs and Cats the Right Amount

Determine the correct serving size for your dog or cat based on weight, activity level, and food calories. Maintain a healthy diet by calculating how many cups or grams to feed each day.

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Pet Ownership Cost Calculator - Know the Real Cost of Owning a Pet

Thinking of adopting a pet? Use our Pet Cost-of-Ownership Calculator to estimate food, vet, grooming, and other expenses over your pet's lifetime.

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Plant Watering Schedule Calculator - Keep Your Garden Thriving

Determine how often to water your plants by entering plant type, pot size, and environment. Learn tips to prevent overwatering and underwatering.

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Pond Liner Size Calculator - Plan Your Garden Water Feature

Quickly estimate the ideal liner size for a backyard pond. Enter pond length, width, and depth to find liner dimensions with overlap.

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Projector Throw Distance Calculator - Plan Your Home Theater Setup

Calculate the ideal projector distance from your screen by entering the throw ratio and screen size. Learn expert tips on positioning and room lighting.

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Rainwater Harvesting Calculator - Estimate Collection Potential

Calculate how much rainwater you can harvest from your roof based on area, rainfall, and collection efficiency.

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Raised Bed Soil Volume Calculator - Fill Garden Beds Correctly

Determine how much soil you need for new raised beds. Enter length, width, and depth to calculate volume, plus tips on soil mixes and layering.

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Remote Work Cost Savings Calculator – See How Much You Save Working from Home

Calculate how much money and time you save by working remotely. See your savings on commuting, meals, wardrobe, and more. Discover the true value of remote work!

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Rent vs Buy Calculator - Compare Renting and Buying a Home

Use our Rent vs Buy Calculator to compare the long-term costs of renting versus buying a home. Enter your details to see which option is more financially beneficial.

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Reverberation Time Calculator - Plan Your Acoustics

Estimate RT60 using room dimensions and absorption coefficient. Learn how reverberation affects sound clarity in studios, auditoriums, and home theaters.

Salary Tax Calculator - Take-Home Pay Calculator

Calculate your take-home pay after taxes and deductions with our Salary Tax Calculator. Get a clear picture of your net income.

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Shower Karaoke Score Calculator - Rate Your Bathroom Performance

Determine your vocal prowess with our Shower Karaoke Score Calculator. See how your bathroom acoustics influence your singing score and have fun in the process.

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Shower Water Usage Calculator - Track Water and Energy Costs

Estimate how much water you use in the shower and learn tips to conserve. Enter flow rate, shower time, and water cost.

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Smart Home Energy Savings Calculator - See Your Potential Utility Reduction

Estimate how much you can save on electricity by using smart thermostats, LED lights and automation. Enter your current bills and expected efficiency to discover yearly savings.

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Soil pH Adjustment Calculator - Balance Garden Acidity

Determine how much lime or sulfur your soil needs to reach a target pH. Enter current pH, desired pH, area, and soil texture for a quick estimate.

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Solar Battery Bank Calculator - Size Your Off-Grid Storage

Estimate the battery capacity needed for solar systems by entering daily usage, voltage, depth of discharge, and days of autonomy.

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Solar Panel Cleaning Interval Calculator - Maintain Peak Efficiency

Estimate how often to clean your solar panels based on dust levels, rainfall, and tilt angle. Keep your photovoltaic system running efficiently.

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Solar Panel Payback Calculator - Estimate Break-Even Time

Calculate how long it will take for your solar panel investment to pay for itself. Enter installation costs, incentives, and monthly savings to see your payback period.

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Solar Panel Savings Calculator - Estimate Your ROI and Savings

Use our Solar Panel Savings Calculator to estimate your monthly and annual savings, ROI, and break-even point from installing solar panels. Go solar and save big!

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Solar Panel Tilt Calculator - Find the Best Angle for Your Panels

Calculate the optimal tilt angle for your solar panels based on latitude and date to maximize energy capture.

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Solar Position Calculator - Find the Sun's Azimuth and Elevation

Calculate the sun's current azimuth and elevation for any location and time. Useful for solar panel setup, photography, and astronomy.

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Water Footprint Calculator - Measure Household Usage

Estimate your household water footprint from daily activities like showers, laundry, and lawn watering. Learn how to conserve and reduce usage.

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Yarn Requirement Calculator - Estimate Skeins for Knitting or Crochet

Calculate how much yarn your project will need by entering pattern gauge, dimensions, and yardage per skein. Discover tips for choosing fiber types and managing leftovers.

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