Average Calculator
Calculate mean, median, and mode
Calories Burned Calculator
Estimate calories burned during exercise
Time Duration Calculator
Sum or difference hours, minutes, seconds across multiple values
Vat Tax Calculator
Add or remove VAT from a price
Tip Calculator
Calculate tips and split bills
Area Calculator
Calculate area of any 2D shape
Add / Subtract Days Calculator
Find the resulting date after adding or subtracting a duration
Combination & Permutation Calculator
Calculate C(n,r) and P(n,r) with full formula breakdown
Daily Water Intake Calculator
Find your daily hydration goal in seconds
Day of Year Calculator
Find the day-of-year number for any date
Discount Calculator
Find savings and final price after discount
Fuel Cost Calculator
Calculate fuel expense for any trip in seconds
Logarithm Calculator
Compute log, ln, or any custom base in one click
Matrix Calculator
Perform matrix operations with step-by-step results
Ovulation Calculator
Predict your fertile window from cycle data
Percentage Change Calculator
Calculate % change between two values instantly
Power & Exponent Calculator
Compute xⁿ, roots, and exponents instantly
Pregnancy Due Date Calculator
Estimate your due date from lmp or conception
Probability Calculator
Compute event, union & intersection probabilities
Ratio Calculator
Simplify and scale ratios instantly
Simple Interest Calculator
Enter principal, rate, and time to get interest earned
Sleep Cycle Calculator
Wake up refreshed — time your sleep to 90-min cycles
Speed Distance Time Calculator
Enter any two values to calculate the third
Standard Deviation Calculator
Find population or sample standard deviation instantly
Triangle Calculator
Solve any triangle — sides, angles, area, perimeter
Working Days Calculator
Count business days between dates
Bmi Calculator
Calculate BMI from height and weight
Loan Emi Calculator
Calculate monthly EMI for any loan
Compound Interest Calculator
Calculate compound interest and final amount
CSS Fluid Typography Calculator
Build responsive typography scales
Pagination Calculator
Calculate pagination values
Rate Limit Calculator
Estimate API rate limits
Uptime Percentage Calculator
Calculate uptime from downtime
SLA / SLO Calculator
Calculate SLA and SLO targets
Dataset Split Calculator
Calculate train, validation, and test splits
CSS Specificity Calculator
Calculate CSS selector specificity score
Percentage Calculator
Calculate percentage instantly
Bitwise Calculator
Calculate bitwise instantly
Business Days Calculator
Calculate business days instantly
IPv4 Subnet Calculator
Calculate ipv4 subnet instantly
Chmod Calculator
Calculate chmod permissions visually