BM
BMI Calculator
Calculate your Body Mass Index instantly. Supports kg/lbs and cm/ft. See your category with a visual BMI scale.
Health & FitnessAll Tools
30+ free calculators — instant, accurate, no account required.
Health & Fitness (5)
BO
Body Fat Calculator
Estimate body fat percentage using the US Navy method with neck, waist, and hip measurements.
Health & Fitness
CA
Calorie & Macro Calculator
Calculate daily calories and macros with Mifflin-St Jeor. Goals: maintain, lose, or gain weight.
Health & Fitness
PR
Pregnancy Due Date Calculator
Estimate your due date from LMP using Naegele's rule. See trimester and days remaining.
Health & Fitness
WA
Water Intake Calculator
Find how much water you should drink daily based on weight, activity, and climate.
Health & FitnessFinance (6)
SA
Salary & Paycheck Calculator
Estimate take-home pay after taxes. Supports US, UK, UAE, and India tax models.
Finance
EM
Loan EMI Calculator
Calculate monthly EMI, total interest, and amortization schedule for any loan.
Finance
CO
Compound Interest Calculator
Project investment growth with compound interest and monthly contributions.
Finance
BU
Budget Planner
Plan monthly income and expenses. Get savings rate and budget health score.
Finance
CR
Crypto Profit Calculator
Calculate crypto profit or loss including trading fees and break-even price.
Finance
FR
Freelance Rate Calculator
Find your ideal hourly, daily, and project rates based on income goals.
FinanceBusiness & Productivity (5)
IN
Invoice Generator
Create professional invoices online and download as PDF. Free invoice maker.
Business & Productivity
BR
Break-Even Calculator
Find how many units you need to sell to cover fixed and variable costs.
Business & Productivity
EM
Email Growth Calculator
Project how long to reach your email list goal with monthly growth rates.
Business & Productivity
EN
Engagement Rate Calculator
Calculate social media engagement rate for Instagram, TikTok, YouTube, and Facebook.
Business & Productivity
AD
Ad Revenue Estimator
Estimate website ad revenue from pageviews and niche RPM rates.
Business & ProductivityHome & Lifestyle (5)
AI
Air Fryer Converter
Convert oven temperature and time to air fryer settings instantly.
Home & Lifestyle
PA
Paint Calculator
Estimate paint gallons needed for any room including doors, windows, and coats.
Home & Lifestyle
TI
Tile Calculator
Calculate tiles needed including wastage for floors and walls.
Home & Lifestyle
WE
Wedding Budget Calculator
Plan wedding costs by category and see per-guest spend.
Home & Lifestyle
MO
Moving Cost Estimator
Estimate moving costs by distance, rooms, and large items. Get truck size tips.
Home & LifestyleEducation (4)
GP
GPA Calculator
Calculate GPA/CGPA on 4.0, 5.0, or 10.0 scales with course credits.
Education
ST
Study Time Planner
Build a daily study schedule based on exam date, subjects, and difficulty.
Education
RE
Reading Time Calculator
Estimate reading and speaking time from word count. Embeddable for bloggers.
Education
PL
Plagiarism Estimator
Basic similarity estimator for pasted text. Not a full plagiarism checker.
EducationTech & Developer (5)
PA
Password Strength Checker
Check password entropy and crack time. Generate strong secure passwords.
Tech & Developer
CO
Color Palette Generator
Extract a color palette from any uploaded image using canvas analysis.
Tech & Developer
CA
Website Carbon Calculator
Estimate CO2 emissions per page visit from approximate page size.
Tech & Developer
AS
Aspect Ratio Calculator
Simplify width/height to ratios like 16:9. Get pixels for target sizes.
Tech & Developer
FI
File Size Converter
Convert between B, KB, MB, GB, TB and estimate storage for photos/videos.
Tech & Developer