EC2 On-Demand vs Reserved 1-Year Break-Even Calculator

Calculate the monthly utilisation threshold above which a 1-year Reserved Instance is cheaper than On-Demand pricing for an EC2 instance type. Includes partial upfront and no-upfront comparisons.

Networking
Algorithms
Binary & Number
Systems
Dev Metrics

IP Subnet Calculator

IP Address
CIDR Prefix
/
Network
192.168.1.0
Broadcast
192.168.1.255
Subnet Mask
255.255.255.0
First Host
192.168.1.1
Last Host
192.168.1.254
Usable Hosts
254
Binary breakdown:
IP: 11000000.10101000.00000001.00000000
Mask: 11111111.11111111.11111111.00000000
Net: 11000000.10101000.00000001.00000000
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How to Use

Enter the values for the scenario you are assessing. Calculate the monthly utilisation threshold above which a 1-year Reserved Instance is cheaper than On-Demand pricing for an EC2 instance type. Includes partial upfront and no-upfront comparisons. Use the ec2 on-demand vs reserved result to inform your calculation.

Frequently Asked Questions