Math Tools
BMI Calculator
Check BMI with metric or imperial inputs and a simple category breakdown.
Math Tools
Math tools are designed for everyday decisions, whether you are checking a discount, averaging a list, splitting an expense, or comparing product value.
Included Tools
Tools in Math Tools
Everyday calculators for percentages, averages, ratios, tips, and shared costs.
Math Tools
Percentage Calculator
Work out percentages, percentage changes, and reverse percentage questions quickly.
Math Tools
Discount Calculator
Calculate sale prices, savings, and optional tax in one place.
Math Tools
Average Calculator
Calculate average, median, sum, min, and max from a list of numbers.
Math Tools
Ratio Calculator
Simplify ratios, see percentage shares, and split a total based on the ratio.
Math Tools
Unit Price Calculator
Find price per unit to compare product sizes and package deals more clearly.
Math Tools
Tip Calculator
Calculate tip amount, total bill, and per-person share for dining or service bills.
Math Tools
Expense Splitter
Split a shared expense, compare what each person paid, and see simple settlement suggestions.
Math Tools
Compound Interest Calculator
Project compound growth with optional recurring contributions and totals.
Math Tools
BMR Calculator
Estimate basal metabolic rate from age, sex, height, and weight inputs.
Math Tools
Calorie Calculator
Estimate daily maintenance calories with activity and weight-goal adjustments.
Math Tools
Number to Words Converter
Convert numeric values into readable English words in the browser.
Math Tools
GPA Calculator
Calculate GPA from course grades and credits with a practical 4.0 scale workflow.
Math Tools
Loan Calculator
Estimate monthly payment, total repayment, and total interest from basic loan inputs.
Math Tools
Percentage Increase / Decrease Calculator
Calculate percentage increase or decrease between an original value and a new value.
Math Tools
Ideal Weight Calculator
Estimate an ideal weight target and healthy BMI range from height and sex inputs.
Math Tools
Body Fat Calculator
Estimate body fat percentage and related mass values from body measurements.