Full Backup Size Estimator

Estimate full backup storage requirements including compression and deduplication ratios. Backup_size = raw_data × (1 - dedup_ratio) × (1 - compression_ratio). Typical combined savings: 40–70%.

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. Estimate full backup storage requirements including compression and deduplication ratios. Backup_size = raw_data × (1 - dedup_ratio) × (1 - compression_ratio). Typical combined savings: 40–70%. Use the full backup size result to inform your calculation.

Related Calculators

Incremental Backup Size

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Backup Window Time

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Deduplication Savings

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Frequently Asked Questions