Calculate your exact age in years, months, days, and total days from your Date of Birth.
Determine your birth date given a target age and reference cut-off date.
Calculate the exact gap in years, months, and days between two persons' birth dates.
Check your Body Mass Index (BMI) and health category according to WHO standards.
Calculate Basal Metabolic Rate (BMR) to estimate daily calories burned at rest.
Determine your ideal body weight range based on height and Devine formula standards.
Calculate what is X% of Y, or what percentage X is of Y instantly.
Add, subtract, multiply, and divide fractions with simplified results.
Compute the arithmetic mean, total sum, and count of a list of numbers.
Calculate Cumulative Grade Point Average (CGPA) from semester/subject grades.
Calculate Grade Point Average on standard 4.0 scale for US/International universities.
Calculate Semester Grade Point Average (SGPA) for engineering and degree courses.
Convert CGPA to Percentage using CBSE (9.5), AICTE, or custom university multipliers.
Convert aggregate percentage marks into equivalent CGPA score.
Calculate overall exam percentage from marks obtained and total maximum marks.
Find out how many marks you need in final exams to achieve your target percentage.
Aggregate marks across multiple subject papers to compute total score and percentage.
Convert percentage score into standard letter grade (A+, A, B, C, D, F).
Compute weighted grade based on assignments, midterms, and final exam weights.
Combine multiple semester SGPAs into overall cumulative CGPA.
Calculate current class attendance percentage and check if you meet 75% threshold.
Calculate how many consecutive future classes you must attend to reach 75% attendance.
Calculate total weekly study hours and recommended daily schedule for exams.
Perform fast basic arithmetic (+, -, ×, ÷) calculations instantly.
Evaluate trigonometric (sin, cos, tan), logarithmic, and exponential functions.
Solve quadratic equation Ax² + Bx + C = 0 and find real/complex roots.
Find the Least Common Multiple (LCM) of two integers.
Calculate Highest Common Factor (HCF) / Greatest Common Divisor (GCD).
Check if a number is Prime or Composite and list all its factors.
Calculate factorial N! = N × (N-1) × ... × 1.
Calculate base raised to exponent power (X^Y).
Calculate principal square root √X and cube root ³√X.
Compute natural log (ln) and base-10 log (log10) of any positive number.
Calculate percent increase or decrease between initial and final values.
Simplify ratio A:B to lowest terms and scale ratio proportions.
Solve missing proportion value in equation A / B = C / D.
Convert length, mass, and temperature units instantly.
Convert numbers between Decimal, Binary, Octal, and Hexadecimal formats.
Perform binary bitwise operations (AND, OR, XOR, NOT, Bit-shift).
Calculate simple interest and final maturity amount for student loans or deposits.
Calculate compound interest with compounding frequency options.
Calculate monthly EMI and total interest payable on higher education loans.
Calculate monthly EMI for general personal, gadget, or bike loans.
Calculate future corpus built by saving a fixed monthly amount.
Calculate final price after discount percentage and total money saved.
Add or remove GST (5%, 12%, 18%, 28%) from item prices.
Calculate net out-of-pocket tuition fees after scholarship waivers.
Split monthly student allowance into Needs (50%), Wants (30%), and Savings (20%).
Calculate duration in years, months, weeks, and days between two dates.
Find exact total count of calendar days separating two dates.
Countdown the exact number of days remaining until your target exam date.
Calculate time remaining in days, hours, and minutes until an event.
Calculate working business days between two dates, excluding weekends.
Calculate exact hours and minutes elapsed between start time and end time.
Plan Pomodoro study sessions and break durations for maximum focus.
Estimate competitive exam rank based on raw marks and total test takers.
Calculate percentile rank from candidate score and total test takers.
Calculate raw score with correct, incorrect, and unattempted question counts.
Calculate accuracy rate percentage and negative penalty impact on test performance.
Calculate score loss due to negative marking schemes (1/4th, 1/3rd, -1 penalty).
Check if your raw exam score clears expected category cutoff thresholds.
Check admission chances based on your percentile rank and cutoff trends.
Calculate raw marks for JEE Main (+4/-1 out of 300) or NEET (+4/-1 out of 720).
Calculate CUET UG total domain subject scores (+5 for correct, -1 for wrong).
Calculate SSC CGL / CHSL Tier 1 (+2/-0.5) and Tier 2 exam raw scores.
Verify age eligibility for UPSC Civil Services CSE cutoff dates (21 to 32 years).
Check central and state government recruitment age limit rules and relaxation.
Check overall eligibility criteria combining age limits, education degrees, and attempts.
Resize candidate passport photo and signature dimensions (px) and compress file weight under 50KB / 100KB.
Remove background from passport photos and replace with official White or Blue color background.
Compress PDF certificates and document files under 200KB or 500KB for application form upload.
Combine multiple photo certificates, marksheets, and ID proofs into a single multi-page A4 PDF document.