Everyday calculations. No sign-up, no data collection.
Get your exact age from a date of birth.
Monthly payment and total repayment on a loan.
Daily calorie needs (BMR/TDEE) from your stats.
Net vs. gross pay — pick your country for real tax data.
Body Mass Index from your height and weight.
X% of Y, ratios, and percentage change.
Exact time between two dates.
Split the bill and calculate tip per person.
Sale price and savings from a discount.