Newest Calculators

Unit Converters

Temperature Converter

Convert Celsius, Fahrenheit, Kelvin and Rankine instantly with this free temperature converter tool. Fast, accurate and easy to use online.

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Unit Converters

Weight Converter

Use this free Weight Converter to convert kilograms, grams, pounds, ounces, stones, tons and more with instant accurate results.

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Construction and Home

Mulch Calculator

Use our Mulch Calculator to estimate mulch volume for garden beds, landscaping, yards, and flower areas in cubic feet, yards, or bags.

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Construction and Home

Roofing Calculator

Free roofing calculator to estimate shingles, squares, and material costs by roof size, pitch, and type. Get instant, accurate estimates online.

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Construction and Home

Flooring Calculator

Free flooring calculator to estimate floor area, material waste, boxes needed, total cost, and project budget for any room.

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Construction and Home

Wallpaper Calculator

Use this wallpaper calculator to estimate rolls, coverage, waste, and total wallpaper cost for any room quickly and accurately.

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Construction and Home

Gravel Calculator

Free gravel calculator to estimate how many tons or cubic yards of gravel you need and the total cost for your driveway, patio, or landscaping project.

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Construction and Home

Fence Calculator

Use this fence calculator to estimate fence length, posts, panels, gates, and project cost for wood, vinyl, chain link, or metal fencing.

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Education

GPA Calculator

Free online GPA Calculator to compute your semester or cumulative GPA from grades and credit hours. Accurate, fast, and easy to use.

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Education

Grade Calculator

Free online Grade Calculator to compute weighted average, GPA, and final grades instantly. Accurate, fast, and easy to use.

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Unit Converters

Length Converter

Use this length converter to quickly convert meters, kilometers, miles, feet, inches, yards, centimeters, and millimeters online.

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Date and Time

Week Number Calculator

Find the week number for any date, including ISO week, week start day, year week, and days left in the selected week.

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Date and Time

Date Add/Subtract Calculator

Add or subtract days, weeks, months, and years from any date with this simple Date Add/Subtract Calculator.

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Date and Time

Time Duration Calculator

Calculate time duration between two dates or times in hours, minutes, days, and seconds with this simple Time Duration Calculator.

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Date and Time

Time Card Calculator

Calculate weekly work hours, breaks, overtime, and total pay with this easy professional time card calculator.

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Date and Time

Time Zone Converter

Convert time between cities and time zones instantly. Plan meetings, calls, travel, and global schedules with accurate time zone results.

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Date and Time

Countdown Calculator

Use this Countdown Calculator to count days, hours, minutes and seconds until any event, deadline, birthday or special date.

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Date and Time

Date Difference Calculator

Use this Date Difference Calculator to find days, weeks, months, and years between two dates with a clean and accurate result.

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Date and Time

Age Calculator

Use our free Age Calculator to find your exact age in years, months, days, weeks, hours, and minutes with birthday countdown.

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Health and Fitness

Protein Intake Calculator

Calculate your daily protein intake by weight, goal, activity, and meals. Get grams per day, calories from protein, and meal targets instantly.

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Education

Final Exam Calculator

Use this Final Exam Calculator to find the score you need on your final exam to reach your desired overall course grade.

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Education

College GPA Planner

Plan your college GPA, calculate semester grades, credits, cumulative GPA, and target GPA with this easy College GPA Planner tool.

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Health and Fitness

One Rep Max Calculator

Use this One Rep Max Calculator to estimate your maximum lift, training percentages, and strength levels for smarter workout planning.

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Health and Fitness

Pace Calculator

Use this pace calculator to find running pace, finish time, or distance for races, training, marathons, and fitness goals.

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