Educational

  • Multiply Fractions by a Whole Number Calculator
    Multiply a fraction by a whole number instantly. Enter a/b and n to get the product, fully simplified, plus the decimal value. Free and easy.
  • Squares & Cubes Table Generator
    Generate a squares and cubes table from 1 to N instantly. See n², n³ for every number plus the running totals. Free, fast math reference tool.
  • Factor Pairs Calculator
    Find every factor pair of a number — all (a, b) where a × b = N. Lists pairs, counts them, and shows the total number of divisors instantly.
  • Missing Factor Calculator
    Solve for the missing factor in N × ? = P. Enter the known factor and product to instantly find the unknown multiplier using division.
  • Multiply by Powers of 10 Calculator
    Multiply any number by a power of 10 (N × 10^k) and see how the decimal point shifts right or left. Fast, accurate place-value calculator.
  • Multiplication Grid Chart Generator
    Generate a full multiplication grid chart from 1 to N. Build a printable times table where each cell shows i × j, with totals and the largest product.
  • Skip Counting Calculator
    Skip counting calculator: count by 2s, 5s, 10s or any step from any start number. Generates the sequence, last term and sum instantly.
  • Single Multiplication Table Generator
    Generate the multiplication table of any number N up to 20 rows. Instantly see N × 1 through N × 20 with products and the running sum.
  • NEWS2 Score Calculator
    Calculate the NEWS2 (National Early Warning Score 2) used by the UK NHS from 6 vital signs plus oxygen, with sub-scores and clinical risk band.
  • Chess Elo Rating Change Calculator
    Calculate your new chess Elo rating after a game. Enter your rating, opponent's rating, result, and K-factor to see the exact rating change.
  • Fantasy Football Points Calculator
    Calculate fantasy football points from passing, rushing & receiving stats. Supports Standard, Half-PPR and Full PPR scoring with turnover penalties.
  • Quiz Score Calculator
    Calculate your quiz or test score percentage and letter grade instantly. Enter correct answers and total questions to get your result and A–F grade.
  • AUDIT-C Alcohol Use Screening Score Calculator
    Calculate your AUDIT-C alcohol use screening score (0–12) from 3 questions, with sex-specific risk cutoffs for hazardous drinking.
  • Bishop Score Calculator
    Calculate the Bishop Score (0–13) for cervical ripeness from dilation, effacement, station, consistency, and position to assess labor induction success.
  • qSOFA Score Calculator (Sepsis)
    Calculate the qSOFA (Quick SOFA) score for sepsis screening from respiratory rate, systolic blood pressure, and mental status. Score 0–3.
  • CURB-65 Pneumonia Severity Score Calculator
    CURB-65 calculator scores community-acquired pneumonia severity (0–5) from Confusion, Urea, Respiratory rate, Blood pressure and Age ≥65, with mortality risk.
  • Wells Score Calculator for Pulmonary Embolism
    Calculate the Wells Score for pulmonary embolism (PE) from 7 clinical criteria. Get instant two-tier (likely/unlikely) and three-tier risk stratification.
  • Glasgow Coma Scale (GCS) Calculator
    Calculate the Glasgow Coma Scale (GCS) score from eye, verbal, and motor responses. Get the total 3-15 score and severity classification instantly.
  • Wells Score Calculator for DVT
    Calculate the Wells Score for deep vein thrombosis (DVT). Add clinical criteria points and stratify pretest probability into low, moderate, or high risk.
  • MELD Score Calculator
    Calculate the MELD score (Model for End-Stage Liver Disease) from bilirubin, INR and creatinine to estimate liver disease severity and transplant priority.
  • SAT Superscore Calculator
    Calculate your SAT superscore (US) by combining your best EBRW and Math section scores across multiple test attempts, out of 1600.
  • Cricket Net Run Rate (NRR) Calculator
    Calculate a cricket team's Net Run Rate (NRR) from runs scored, runs conceded and overs faced and bowled. Free, instant NRR calculator.
  • Points Per Game (PPG) Calculator
    Calculate basketball points per game (PPG) instantly. Enter total points and games played to find a player's scoring average for any season.
  • Grade Calculator (Overall Course Grade from Weighted Categories)
    Calculate your overall course grade from weighted categories like homework, quizzes, and exams. Enter each score and weight to get your final percentage.

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