222+ calculators for finance, health, math, and everyday life. Fast, accurate, and always free.
No sign-up required.
Mortgage Calculator
Calculate your monthly mortgage payment, total interest, and full amortization schedule.
BMI Calculator
Calculate your Body Mass Index (BMI) and find out if you're at a healthy weight for your height.
Compound Interest Calculator
See how your money grows over time with compound interest. Compare annual, monthly, and daily compounding.
Age Calculator
Calculate exact age in years, months, and days from any birthdate to today or another date.
Tip Calculator
Calculate the tip amount, total bill, and split the check among any number of people.
Percentage Calculator
Calculate percentages, percentage change, and what percent one number is of another.
Calorie Calculator
Estimate how many calories you need per day to maintain, lose, or gain weight.
Date Difference Calculator
Find the exact number of days, weeks, months, and years between any two dates.
Currency Converter
Convert between major world currencies including USD, EUR, GBP, JPY, CAD, AUD, CHF, CNY, INR, and more.
Lottery Tax Calculator
Calculate how much you keep after federal and state taxes on a lottery win. Covers lump sum vs. annuity for all 50 states.
Dog Age Calculator
Convert your dog's age to human years using size-adjusted formulas for small, medium, large, and giant breeds.
Property Tax Calculator
Calculate your annual property tax from assessed value and tax rate. Includes exemptions, monthly amounts, and effective rate.
Mortgages, loans, interest, retirement, and more
BMI, calories, body fat, pregnancy, and more
Percentages, fractions, statistics, and more
Age, date differences, business days, and more
Concrete, flooring, paint, roofing, and more
Length, weight, temperature, volume, and more
GPA, grades, subnet, random numbers, and more
CalculatorsAndMore.com is a free library of 272+ online calculators covering finance, health and fitness, math, date and time, construction, unit conversion, and everyday tools. Every calculator runs entirely in your browser. No sign-up, no data collection, no email walls.
Our goal is to be the calculator site you can actually trust. Every page shows the formula, a worked example with real numbers, and the authoritative source behind the math so you can verify any result in seconds.
The site is maintained by a small team that hand-writes each calculator in TypeScript and cross-checks results against established references (IRS publications, CDC, NIST, ACSM, and peer-reviewed sources) before anything ships. For calculators that depend on annual figures, we list the reference year on the page.
Read more about who runs this site, how we build and verify each calculator, or get in touch with a bug report or calculator request.
272+
Free calculators
100%
Runs in your browser
0
Accounts required
<1s
Typical page load