Calculators
16 free tools · runs in your browser
Everyday calculators: loans, BMI, percentages, age, dates, statistics, fractions and a full scientific calculator. Like every tool on BrowserTools, these are free, require no signup, and process everything locally on your device.
Online Calculator
A fast basic calculator with keyboard support
Scientific Calculator
Trig, logs, powers and constants
BMI Calculator
Body mass index in metric or imperial
Age Calculator
Exact age in years, months and days
Percentage Calculator
Percent of a number, ratios and change
Loan / EMI Calculator
Monthly payments, total interest & schedule
Tip Calculator
Tip amount and split per person
Discount Calculator
Sale prices and money saved instantly
GST / Sales Tax Calculator
Add or remove tax from any price
Simple & Compound Interest Calculator
Compare simple vs compound growth
Aspect Ratio Calculator
Scale dimensions without distortion
Fraction Calculator
Add, subtract, multiply, divide fractions
Mean, Median & Mode Calculator
Instant stats for any list of numbers
Date Difference Calculator
Days, weeks and months between dates
Fuel Cost Calculator
Trip fuel expenses and consumption
Bill Split Calculator
Divide any bill evenly or by share
Numbers you can double-check
Everyday math lives here: the basic and scientific calculators handle trig, logs, and keyboard input; the Loan/EMI, Interest, GST, Tip, Discount, and Bill Split calculators price real decisions; and BMI, Age, Percentage, and Date Difference answer the recurring personal questions. Fraction and Statistics calculators cover the classroom side with simplification and descriptive stats.
Results show their working wherever it matters — amortization schedules, fuel-cost breakdowns, aspect-ratio scaling — so you can verify rather than trust. Like everything on this site, calculations never leave your device.