Free Online Calculators
Professional calculators for business, finance, health, fitness and specialist tools. Fast, accurate, and completely free.
Business & Finance
Profit Margin Calculator
Calculate gross, net and operating profit margins instantly.
ROI Calculator
Work out return on investment quickly and accurately.
VAT Calculator
Add or remove VAT from amounts and percentages.
Percentage Calculator
Calculate percentages, percentage change and more.
Discount Calculator
Find sale prices and total savings easily.
Markup Calculator
Calculate markup percentage and selling price.
Compound Interest Calculator
See how your money grows with compound interest.
Loan EMI Calculator
Calculate monthly EMI, total interest and repayment.
Mortgage Affordability
Estimate how much house you can afford.
Savings Goal Calculator
Plan monthly deposits to reach your savings target.
Tip Calculator
Split bills and calculate tips quickly.
Health & Fitness
BMI Calculator
Calculate your Body Mass Index and healthy range.
TDEE Calculator
Estimate your daily calorie needs based on activity level.
One Rep Max Calculator
Estimate your one-rep max from any weight and reps.
Boxing Calorie Calculator
Estimate calories burned during boxing training.