Calculator Tools
Calculate VAT, loans, BMI, JAMB scores, PAYE tax, discounts, and more.
26 free tools · No signup · Runs in browser
VAT Calculator
Calculate VAT (Value Added Tax) for any amount and rate.
Discount Calculator
Calculate discounts, sale prices, and how much you save.
Profit Margin Calculator
Calculate gross and net profit margins for any product or service.
Loan Calculator
Calculate monthly repayments, total interest, and full loan amortization.
Percentage Calculator
Calculate percentages, percentage change, and what percent one number is of another.
ROI Calculator
Calculate return on investment and compare the profitability of investments.
Break-Even Calculator
Calculate the break-even point for your business, product, or project.
JAMB Aggregate Calculator
Calculate your JAMB aggregate score for Nigerian university admissions.
WAEC Grade Calculator
Calculate WAEC scores, grade points, and determine pass or credit grades.
PAYE Tax Calculator
Calculate Pay As You Earn income tax based on Nigerian tax brackets.
POS Charges Calculator
Calculate transaction fees for POS payments and transfers in Nigeria.
Tithe Calculator
Calculate tithe (10%) and other giving amounts from any income figure.
Age Calculator
Calculate exact age in years, months, and days from any date of birth.
BMI Calculator
Calculate your Body Mass Index and understand your weight category.
Date Difference Calculator
Calculate the exact difference between two dates in days, weeks, and months.
Tip Calculator
Calculate tips and split the bill easily for restaurants and services.
Compound Interest Calculator
Calculate compound interest growth for savings and investments with a year-by-year breakdown.
Bra Size Calculator
Find your bra size in US, UK, EU, AU, and FR sizing systems from your measurements.
GPA Calculator
Calculate your Grade Point Average from course grades and credit hours on a 4.0 scale.
Square Footage Calculator
Calculate the square footage of rooms and total floor area for flooring, painting, and more.
Fraction Calculator
Add, subtract, multiply, and divide fractions with automatic simplification.
Work Hours Calculator
Calculate total hours worked per day and week from clock-in/out times, with overtime and pay.
Car Loan Calculator
Calculate monthly payments, total interest, and full cost of financing a vehicle.
Salary Calculator
Convert salary between hourly, weekly, monthly, and annual rates with tax and deduction breakdown.
Date Calculator
Add or subtract days, weeks, months, and years from any date to find a future or past date.
Scientific Calculator
Full scientific calculator with trigonometric, logarithmic, and algebraic functions.