Calculators
Quick math & financial tools
Electricity Cost Calculator
- Estimate appliance electricity use and running cost.
PC Electricity Cost Calculator
- Estimate gaming and idle PC power costs.
Fuel Cost Calculator
- Estimate fuel needed and road-trip cost.
Internet Download Time Calculator
- Estimate download time from file size and speed.
Work Hours Calculator
- Calculate shift hours and hours above a chosen weekly threshold.
Age Calculator
- Calculate your exact age in days.
BMI Calculator
- Check your Body Mass Index.
Loan Calculator
- Estimate loan payments and interest.
Salary Calculator
- Break down your annual salary.
Percentage Calculator
- Calculate percentages easily.
Discount Calculator
- Find out how much you save.
Investment Calculator
- Calculate compound interest growth.
Compound Interest Calculator
- See how money grows with compounding.
Profit Margin Calculator
- Calculate gross margin and markup %.
GPA Calculator
- Calculate a credit-weighted semester GPA from grades or marks.
CGPA Calculator
- Calculate your cumulative GPA.