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New Calculators
Check out our latest additions to help you with your calculations
Unit Rate Calculator
Calculate the rate per single unit from any ratio or comparison
Ratio Simplifier Calculator
Simplify any ratio to its lowest terms with step-by-step GCD calculation
Joint Variation Calculator
Calculate joint variation relationships where y = kxz (varies directly with multiple variables)
Inverse Variation Calculator
Calculate inverse variation relationships where xy = k (constant)
Arithmetic Sequence Calculator
Calculate n-th term, sum, and generate sequence terms for arithmetic progressions
Rhombus Calculator
Calculate area, perimeter, diagonals, and angles of any rhombus
Remainder Calculator
Find the remainder of integer division with step-by-step solutions
Modulo Calculator
Calculate the remainder of integer division with step-by-step solutions
Popular Calculators
Discover our most-used calculators trusted by millions of users worldwide
AC to DC Power Conversion Calculator
Convert AC voltage, current, and power to DC equivalents with efficiency considerations
P-Value Calculator
Calculate p-values from z-scores and t-scores for hypothesis testing
DSR Calculator
Calculate your Debt Service Ratio (DSCR) to assess your ability to cover debt payments with operating income
Calories Burned Calculator
Calculate how many calories you burn during various physical activities based on MET values.
MVA Calculator
Calculate Market Value Added to measure the wealth your company has created for shareholders
Exit Rate Calculator
Calculate Exit Rate for web pages to understand where visitors leave your site
CPA Calculator
Calculate Cost Per Acquisition (Cost Per Conversion) for your marketing campaigns
Unit Rate Calculator
Calculate the rate per single unit from any ratio or comparison
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Tested formulas and calculations you can trust for important decisions.
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Optimized for all devices. Calculate on-the-go from your phone or tablet.
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Save Calculations
Store your results and never lose important calculations again
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Access your favorites and saved calculations from any device, anytime
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Browse by Category
Explore our organized collection of calculators designed for your specific needs
Test Grade Calculator
Calculate your test score percentage and letter grade instantly
GPA Calculator
Calculate your Grade Point Average and track your academic progress
IELTS Score Calculator
Calculate your overall IELTS band score from section scores
Grade Calculator
Calculate your weighted average, final grade, and what you need to pass
Semester Grade Calculator
Calculate your semester grade using weighted averages for coursework, exams, and projects
ACT Score Calculator
Calculate your ACT composite score from section scores
College GPA Calculator
Calculate your college cumulative GPA and project future academic standing
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