Twenty-one free tools

Everyday calculators that give you the answer first

No account, no download, and no confusing formulas required.

01

Math

Percentage Calculator

Find a percentage of any number instantly.

What is% of?
Answer3020% × 150 = 30
02

Dates

Age Calculator

Calculate an exact age from a birth date to any chosen date.

Exact ageChoose a valid date after the birth date
03

Dates

Date Difference Calculator

Count the number of calendar days between two dates.

Time between dates0 days0 weeks
04

Shopping

Discount Calculator

See the sale price, your savings, and optional tax.

Final total$75.00Sale price $75.00 · You save $25.00
05

Money

Hourly to Yearly Salary Calculator

Convert an hourly wage into weekly, monthly, and annual gross pay.

Estimated yearly pay$52,000.00$1,000.00 weekly · $4,333.33 monthly
06

Language

Language Translator

Translate text between English, Spanish, French, Portuguese, German, Italian, Chinese, Japanese, Korean, and Arabic.

0 / 5,000

Your translation opens securely in Google Translate.

07

Finance

Compound Interest Calculator

See how principal, interest, time, and monthly contributions can grow.

Future balance$63,367.82Total contributed: $40,000.00 · Interest earned: $23,367.82
07A

Finance

Currency Converter

Convert between more than 150 world currencies using the latest available exchange rates.

Converted amount5,842 DOP1 USD = 58.42 DOP

Updating worldwide rates… · Indicative rates update automatically. Banks and money-transfer services may use a different rate or add fees.

08

Finance

Loan Calculator

Estimate a fixed monthly loan payment and total interest.

Monthly payment$396.02Total interest: $3,761.44 · Total paid: $23,761.44
09

Finance

Mortgage Calculator

Estimate a monthly mortgage payment with taxes, insurance, and HOA.

Estimated monthly payment$2,269.79Principal & interest: $1,769.79
10

Finance

Savings Calculator

Project your savings balance with recurring monthly deposits.

Projected savings$22,647.26Your deposits: $20,000.00 · Interest earned: $2,647.26
11

Finance

Investment Growth Calculator

Estimate long-term investment growth from a starting balance and monthly investments.

Projected investment value$319,144.22Total contributed: $125,000.00 · Estimated growth: $194,144.22
12

Everyday

Unit Converter

Convert common length, weight, volume, and temperature units.

Converted value1.61 kilometers1 miles
13

Everyday

Time Zone Converter

Convert a date and time between major world time zones.

Converted date and timeFriday, October 9, 2026 at 10:20 PMDominican Republic
14

Text & work

Word and Character Counter

Count words, characters, sentences, and estimated reading time as you type.

0 Words0 Characters · 0 Characters without spaces · 0 Sentences · 1 min
15

Text & work

Grammar Checker

Catch common spacing, capitalization, and punctuation problems in English or Spanish text.

Possible issues0

This quick checker catches common mistakes; review important writing carefully.

16

Text & work

Case Converter

Change text to uppercase, lowercase, title case, or sentence case instantly.

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17

Text & work

Random Password Generator

Create a strong random password on your device.

—Generated locally and never sent anywhere.
18

Text & work

QR Code Generator

Turn a link or short text into a scannable QR code.

19

Money

Tip Calculator

Calculate the tip and total for a bill.

Total with tip$120.00Tip amount: $20.00
20

Money

Split-the-Bill Calculator

Split a bill, including tip, evenly between people.

Each person pays$60.00$120.00 ÷ 2