Free Calculators for Your Website
Put a working calculator in your blog post or page. Pick one, copy the code and paste it into your HTML. It runs in your reader's browser, works on phones and shows no ads.
19 calculators to embed
Tip Calculator
Tip at any %, split the bill and round up.
Sales Tax Calculator
Add or remove sales tax for any US state.
Paycheck Calculator
Take-home pay after federal, state and FICA taxes.
Loan Calculator
Monthly payment, total interest and payoff date.
Inflation Calculator
What a dollar amount is worth in another year.
Currency Converter
Convert 30 currencies at the ECB reference rates.
GPA Calculator
Semester and cumulative GPA from grades and credits.
Time Card Calculator
Weekly hours, breaks and overtime from clock times.
Discount Calculator
Sale price and savings from any discount.
Percentage Calculator
Percent of, percent change and what percent.
BMI Calculator
Body mass index in pounds and feet or kg and cm.
Age Calculator
Exact age in years, months and days.
Date Difference Calculator
Days, weeks and months between two dates.
EMI Calculator
Loan EMI, total interest and the payment schedule.
GST Calculator
Add or remove GST at 5, 18 or 40%.
SIP Calculator
What a monthly SIP could grow to.
Compound Interest Calculator
Savings growth with compound interest and deposits.
Random Number Generator
Random numbers in any range, with or without repeats.
Online Timer
A countdown timer with an alarm, plus a stopwatch.
Good to know
- Free for any site, personal or business. No account or key.
- The code adds one small credit line under the calculator. Please keep it: it is how we keep these free.
- Nothing your readers type leaves their browser, and the widget never shows ads.
- Pick Short for a wide column, or Tall if the calculator sits in a narrow column or most readers are on phones.