Free Calculator Tools Online

Get instant answers with free online calculators. Calculate BMI, mortgage payments, compound interest, fuel costs, calories burned, carbon footprint, loan EMI, and much more — all free.

20 free tools — no sign-up required

Count words, characters, sentences, and paragraphs

Character Counter

Track character counts for tweets and bios

Calculate your Body Mass Index instantly

Find exact age down to days and hours

Compound Interest Calculator

See how your investments grow over time

Mortgage Calculator

Estimate monthly payments and total interest

Calculate loan EMI with detailed breakdowns

Discount Calculator

Find the final price after any discount

Fuel Cost Calculator

Estimate fuel costs for any trip distance

Calories Burned Calculator

Track calories burned during any activity

Carbon Footprint Calculator

Measure your environmental impact

Split bills fairly among any group size

Travel Budget Planner

Plan and estimate costs for your next trip

Google Ads Cost Calculator

Estimate your Google Ads spend and ROI

Facebook Ads Cost Calculator

Project Facebook ad costs and reach

AdSense Revenue Calculator

Estimate your AdSense earnings potential

Federal Tax Calculator

Estimate your federal income tax quickly

Event Budget Calculator

Plan and manage event costs with ease

Love Calculator

Calculate compatibility between two names

Pregnancy Due Date Calculator

Calculate your pregnancy due date and milestones