Tip Amount
$0.00
Total Bill
$0.00
Per Person
$0.00
0
Years Old
0
Months
0
Days
0
Total Days
0
Years
0
Months
0
Days
0
Total Days
Payment
$0.00
per month
Total Interest
$0.00
Total Amount
$0.00
Use the Percentage tab. Enter the percent and base value — for example, 15% of 80 = 12. The calculator also handles "X is what % of Y" and percent change between two numbers.
Yes. The Tip calculator takes the bill total, tip percentage, and number of people, then shows the total tip, total bill, and per-person amount.
It uses the standard amortization formula M = P · r(1+r)^n / ((1+r)^n − 1). Results match bank quotes for fixed-rate mortgages and personal loans within rounding.
No. All calculations run in your browser. We don't log inputs, save anything to your device, or send data to a server.
It uses real calendar arithmetic — counts whole years, then remaining months and days based on each month's actual length, accounting for Feb 29 in leap years.