Score Calculator

  • APĀ® Psychology Score Calculator
    Estimate your APĀ® Psychology score (1ā€“5) from multiple-choice correct answers and FRQ points using composite-score cut points. US College Board exam.
  • APĀ® Statistics Score Calculator
    Estimate your APĀ® Statistics exam score (1ā€“5) from multiple-choice and free-response points. US College Board exam ā€” uses typical composite cut scores.
  • APĀ® Calculus AB Score Calculator
    Estimate your APĀ® Calculus AB score (1ā€“5) from multiple-choice and free-response points. US College Board exam, based on published composite-score bands.
  • GPA to Percentage Calculator
    Convert your GPA to a percentage on the 4.0 scale. Enter your GPA and scale to instantly get the equivalent percentage grade.
  • Insomnia Severity Index (ISI) Calculator
    Calculate your Insomnia Severity Index (ISI) score by summing 7 items (0ā€“4 each, range 0ā€“28) and get the standard severity interpretation.
  • Pittsburgh Sleep Quality Index (PSQI) Calculator
    Calculate your global Pittsburgh Sleep Quality Index (PSQI) by summing 7 component scores (0-3 each) for a 0-21 total. Scores above 5 suggest poor sleep.
  • IELTS to TOEFL Score Conversion Calculator
    Convert an IELTS band score to an equivalent TOEFL iBT total using the official ETS concordance table. Enter your IELTS band to get the TOEFL range.
  • Percentage to CGPA (10-Point) Calculator
    Convert your percentage to CGPA on a 10-point scale using the standard CBSE formula (CGPA = percentage / 9.5). Fast, free and accurate.
  • Social Media Engagement Rate Calculator
    Calculate your social media engagement rate from likes, comments, shares and followers. Free engagement rate formula tool for Instagram, TikTok, X and more.
  • SAT to ACT Score Conversion Calculator
    Convert your SAT total score (400ā€“1600) into an equivalent ACT composite score (1ā€“36) using the official 2018 SAT/ACT concordance tables.
  • Points-Based Grade Calculator
    Calculate your class grade percentage and letter grade from total points earned divided by total points possible. Fast, accurate points-based grading.
  • PERC Rule Calculator
    PERC Rule Calculator checks all 8 criteria (age, heart rate, SpO2, hemoptysis, estrogen, VTE, surgery, leg swelling) to rule out pulmonary embolism.
  • Wells Score for DVT Calculator
    Calculate the Wells Score for deep vein thrombosis (DVT) by summing 10 weighted clinical criteria to stratify low, moderate, or high pretest probability.
  • TIMI Risk Score for UA/NSTEMI Calculator
    Calculate the TIMI Risk Score for unstable angina and NSTEMI by summing 7 clinical risk factors to estimate 14-day adverse event risk.
  • Wells Score for Pulmonary Embolism Calculator
    Calculate the Wells Score for pulmonary embolism (PE). Add weighted clinical criteria to estimate PE probability with three-tier and two-tier risk.
  • wOBA Calculator
    Calculate Weighted On-Base Average (wOBA) from a hitter's walks, hits, home runs and plate appearances using standard linear-weight coefficients.
  • WHIP Calculator
    Calculate a pitcher's WHIP (Walks plus Hits per Inning Pitched) instantly. Enter walks, hits, and innings pitched to get this key baseball stat.
  • Player Efficiency Rating (PER) Calculator
    Estimate a basketball player's efficiency rating from points, rebounds, assists, steals, blocks, misses and turnovers. Free per-36-minute PER calculator.
  • Effective Field Goal Percentage Calculator
    Calculate effective field goal percentage (eFG%) from FGM, 3PM and FGA. Free basketball shooting efficiency calculator with the standard eFG% formula.
  • Yards Per Attempt Calculator
    Calculate a quarterback's yards per attempt (Y/A) from passing yards and pass attempts. Free, instant football QB efficiency stat calculator.
  • TOEFL iBT Score Calculator
    Calculate your total TOEFL iBT score by adding Reading, Listening, Speaking, and Writing (0ā€“30 each) for a max of 120, with a CEFR level estimate.
  • Yu-Gi-Oh! Life Points Calculator
    Track Life Points for both players in a Yu-Gi-Oh! duel. Enter damage or healing per round, see running totals, and find the winner. Starts at 8000 LP.
  • NFL Draft Pick Value Trade Calculator
    Compare NFL draft-pick trades using the classic Jimmy Johnson value chart. Enter each side's pick numbers to see total points, the winner, and the gain percent.
  • Earned Run Average (ERA) Calculator
    Calculate a pitcher's Earned Run Average (ERA) from earned runs and innings pitched. Supports 9-inning baseball, 7-inning softball and 6-inning Little League.

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