Capacity and sizing decisions are easy to get wrong and expensive to redo. These calculators turn back-of-the-napkin estimates into defensible numbers | and each shows its working so you can sanity-check the assumptions.
Subnet a network, size a backup repository, project storage growth, work out usable RAID capacity, plan rack space and power, size UPS runtime and cooling load, or estimate how many VMs a host will really hold. Infrastructure architects, data-centre and platform teams use them for design reviews, procurement, migration planning and budget cases | the moments where a rough guess costs real money.
All Infrastructure Calculators tools
11 toolsSubnet Calculator
IPv4/IPv6 CIDR, mask, hosts and ranges.
Backup Sizing Calculator
Estimate total backup repository capacity.
Storage Growth Calculator
Project storage needs over time.
RAID Capacity Calculator
Usable capacity and fault tolerance by level.
File Transfer Time
Time to move data at a given bandwidth.
Bandwidth Calculator
Bandwidth required for users and workloads.
UPS Runtime Calculator
Estimate battery runtime under load.
Power & Cooling Calculator
Convert watts to BTU and cooling tonnage.
Rack Unit (U) Planner
Plan rack space, power and weight.
PUE Calculator
Data-centre Power Usage Effectiveness.
VM Density Calculator
How many VMs fit on a host or cluster.