Fast, modular, and distraction-free tools for every professional need. Click a category below to explore.
45+ calculators across 8 categories — click a category to expand
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See how your savings grow over time with compounding.
Calculate equated monthly installments for any loan.
Estimate monthly mortgage payments for your dream home.
Analyze any loan with full amortization schedule.
Project investment returns with regular contributions.
See how inflation erodes purchasing power over time.
Estimate income tax and take-home pay accurately.
Project your employee provident fund and ETF balance.
Estimate fuel expenses for any trip or commute.
Plan how long to reach your savings target.
Calculate gross and net profit margins instantly.
Add or remove VAT from any amount quickly.
Convert between Decimal, Binary, and Hexadecimal.
Precise two-way conversion between decimal and binary.
Convert hexadecimal to decimal, binary, and octal.
Encode or decode text to and from Base64 format.
Convert characters to ASCII codes and vice versa.
Calculate subnet masks, ranges, and CIDR notation.
Analyze IP addresses, network classes, and ranges.
Convert between Bytes, KB, MB, GB, TB, and PB.
Generate cryptographically strong random passwords.
Simplify and evaluate Boolean expressions step by step.
Interactive AND, OR, XOR, NAND, NOR, XNOR gate simulation.
Quick-reference truth tables for all six basic logic gates.
Generate complete truth tables from logic expressions.
Simplify Boolean expressions using K-maps visually.
Analyze Big-O time and space complexity of algorithms.
Calculate your Body Mass Index and understand your range.
Estimate your daily calorie needs based on activity level.
Find your Basal Metabolic Rate for resting energy needs.
Estimate your body fat percentage using multiple methods.
Track pregnancy week by week with key milestones.
Estimate your baby's expected delivery date.
Track menstrual cycles and predict upcoming dates.
Full-featured scientific calculator with trig and log functions.
Add, subtract, multiply, and divide fractions with ease.
Quickly calculate percentages, increases, and decreases.
Solve for sides, angles, area, and perimeter of triangles.
Compute mean, variance, and standard deviation of datasets.
Calculate sale prices and discount percentages instantly.
Quickly calculate tips and split bills among friends.
Find your break-even point for any product or service.
Calculate your Grade Point Average across all courses.
Convert scores to letter grades and see what you need to pass.
Track your class attendance percentage and remaining leaves.
Solve for voltage, current, resistance, and power.
Calculate electrical power, energy usage, and costs.
Compute voltage drop, divider circuits, and more.
Estimate fuel costs for road trips with distance and mileage.
Track fuel efficiency in km/l or mpg over time.
Total cost of ownership including fuel, insurance & maintenance.