Loan Calculator
Calculate monthly payment for a loan.
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Mortgage Calculator
Estimate monthly mortgage payments with down payment.
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Interest Calculator
Simple or compound interest calculation.
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Tax Calculator
Quick tax calculation using percentage rate.
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Body Mass Index (BMI)
Supports metric (kg, m) and imperial (lb, in).
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Age Calculator
Enter your date of birth to calculate exact age.
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Grading Calculator
Enter comma-separated marks (e.g. 80,85,90) to get average & grade.
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Installment Calculator
Split a total into equal installments.
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Percentage Calculator
Calculate percentage of a value.
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Calorie Calculator
BMR (Mifflin-St Jeor) and TDEE by activity multiplier.
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Car Finance Calculator
Estimate car loan monthly payments including fees.
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EMI Calculator
Equated monthly installment (same as loan).
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Wage Calculator
Convert hourly wage to weekly, monthly, and yearly estimates.
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Graphic / Expression Calculator
Evaluate simple math expressions. (No graph rendering in this version.)
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About BrainCalc
Fast, privacy-friendly calculators. Ad placeholders are hidden until you add ad code in the assets/js/adslots.js file.