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Fraction Calculator
Add, subtract, multiply, divide, simplify, compare, and convert fractions, mixed numbers, decimals, and percentages with exact step-by-step results.
Open tool →Ratio Calculator
Simplify ratios, find equivalent ratios and missing terms, divide quantities proportionally, compare ratios, convert ratios to percentages, scale recipes, and calculate aspect ratios.
Open tool →Average Calculator
Calculate arithmetic mean, weighted average, median, mode, range, geometric mean, harmonic mean, combined averages, missing values, target averages, and average speed.
Open tool →Unit Converter
Convert length, area, mass, volume, temperature, speed, time, data storage, pressure, energy, power, angles, fuel economy, and frequency units instantly.
Open tool →Discount Calculator
Calculate sale prices, savings, reverse discounts, stacked offers, coupons, tax, quantity deals, offer comparisons, and business margins.
Open tool →Age Calculator
Calculate exact age in years, months and days, total time lived, next birthday, age on a chosen date, age differences, milestone birthdays, threshold dates, and estimated dates of birth.
Open tool →Percentage Calculator
Calculate percentages, percentage changes, differences, increases, decreases, reverse percentages, discounts, taxes, tips, margins, markups, errors, ratios, and repeated growth.
Open tool →Instagram Collaboration Rate Calculator
Estimate a practical starting rate for an Instagram brand collaboration based on audience size, engagement, content format, deliverables, usage rights, exclusivity, and campaign complexity.
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