Everyday math
Basic Calculator
Clean 4-function calculator, mobile friendly.
Most popular calculators
Start here. Quick tiles for the calculators people use the most, with deeper pages behind each card.
Math, stats & science
Scientific Calculator
Trig, powers, logs, memory, history.
Business & finance
Accounting Calculator
Tax, net/gross, markup & margin.
Money & borrowing
Loan / EMI calculator
Monthly payment, interest, amortization.
Everyday math
Percentage calculator
Increase, decrease, portion of total.
Health & fitness
BMI calculator
Body mass index with ranges.