Free IP Subnet Calculator

Plan your network infrastructure. Enter an IP address and CIDR notation to see network details, broadcast address, and usable host range.

Simple Interest Calculator

Calculate interest earned on your investment

$
% / year
years
SI = P × R × T / 100
Interest Earned$0.00
Total Amount$0.00

Work Steps

Step 1
Enter your age in days, months, and years in the text box.
Step 2
You will see your current age.

Output Details

Network Address
The start of the subnet.
Broadcast Address
The end of the subnet.
Usable Hosts
Total available IPs for devices
Subnet Mask
Decimal representation.

Frequently Asked Questions

What is Simple Interest and what is it used for?

Simple interest is calculated only on the original principal, not on previously earned interest.

The basic formula is I = P × r × t, and total amount is A = P + I.

Unlike compound interest, simple interest does not grow interest-on-interest during the period.

Use it for simple loans, short-term calculations, and educational examples where the agreement specifies simple interest.

Rates and time must use compatible units, such as an annual rate with years.

Different results usually come from rate/time-unit mismatches, fees, or confusing simple interest with compound interest.