Backup Storage Calculator
Estimate the total capacity required for full, incremental, and differential backups, including retention policies and deduplication savings.
Try ToolCalculate backup, camera storage, cloud costs, disk partitions, RAID arrays, IOPS, ZFS, NAS, VM and more — all in one place. Fast, reliable, and completely free.
Choose a tool below to calculate, estimate, and optimize your storage needs. 19 free calculators for every storage scenario.
Estimate the total capacity required for full, incremental, and differential backups, including retention policies and deduplication savings.
Try ToolEstimate how much storage your camera footage will occupy based on resolution, frame rate, and bitrate. Plan your SD card or cloud backup needs.
Try ToolCompare monthly and yearly costs across AWS S3, Google Cloud, Azure, and other providers based on capacity, requests, and egress traffic.
Try ToolDetermine the optimal allocation unit (cluster) size for NTFS, exFAT, and other file systems to minimize slack space and maximize performance.
Try ToolCalculate how long it takes to copy, upload, or download files based on data size and connection or interface bandwidth.
Try ToolEstimate database size for MySQL, PostgreSQL, SQL Server, and MongoDB based on row counts, column types, indexes, and growth rate.
Try ToolCalculate optimal partition sizes for your hard drives. Get precise sector and cylinder alignment for Windows, Linux, or macOS systems.
Try ToolMeasure and estimate your disk's read/write throughput in MB/s or GB/s. Essential for benchmarking and performance tuning of storage systems.
Try ToolCalculate usable capacity, redundancy overhead, and fault tolerance for erasure-coded storage systems used in Ceph, MinIO, and object stores.
Try ToolCompute actual usable capacity, overhead, and formatted size of hard disk drives. Understand the difference between decimal and binary units.
Try ToolCalculate Input/Output Operations Per Second for your storage array. Essential for estimating database, virtualization, and high-performance workload needs.
Try ToolPlan your Synology, QNAP, or TrueNAS build — calculate usable capacity, RAID overhead, drive bays, and expansion headroom for home or business.
Try ToolDetermine usable capacity, redundancy overhead, and fault tolerance for RAID 0, 1, 5, 6, 10, and more. Plan your enterprise storage architecture.
Try ToolEstimate SSD lifespan in TBW and DWPD based on workload, write volume, and drive capacity. Predict when your drive will reach its endurance limit.
Try ToolEstimate how long a RAID or ZFS array will take to rebuild after a disk failure, based on drive size, array width, and rebuild throughput.
Try ToolCalculate LTO tape capacity, compression ratios, cartridge counts, and backup windows for archival and long-term retention strategies.
Try ToolEstimate the file size of video recordings based on codec, bitrate, resolution, and duration. Perfect for content creators and videographers.
Try ToolPlan VMware, Hyper-V, or KVM datastore capacity — calculate disk sizes, snapshots, thin provisioning overhead, and overcommit ratios.
Try ToolCalculate ZFS pool capacity, parity overhead, and usable space for various RAID-Z configurations. Optimize your OpenZFS or Solaris storage deployment.
Try ToolPrecision-tested formulas for reliable storage estimates every time.
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Storage management is a critical aspect of modern computing, whether you are a system administrator, a video editor, a photographer, or simply someone who wants to understand their data footprint. Our suite of storage calculators is designed to help you make informed decisions about disk space, performance, and redundancy. From the Camera Storage Calculator that helps you gauge how many hours of footage your SD card can hold, to the RAID Disk Calculator that lets you plan fault-tolerant storage arrays, each tool is built with precision and practicality in mind.
The Disk Partition Calculator ensures you allocate sectors correctly, while the Disk Throughput Calculator gives you real-world performance estimates. For advanced users, the IOPS Calculator and ZFS Calculator provide deep insights into storage performance and capacity planning. We also offer a Hard Disk Calculator that clarifies the often-confusing difference between decimal and binary capacity units.
Planning a backup strategy? The Backup Storage Calculator and Tape Storage Calculator help you size retention pools and LTO archives. Running workloads in the cloud? The Cloud Storage Cost Calculator compares AWS, Azure, and GCP pricing so you can control egress and request costs. Virtualizing your infrastructure? The VM Storage Calculator, NAS Storage Calculator, and Database Storage Calculator cover datastore sizing, drive bays, and index overhead. For high-availability systems, the Erasure Coding Calculator and Storage Rebuild Time Calculator reveal redundancy overhead and rebuild windows, while the SSD Endurance Calculator predicts when your drives will reach their TBW limits.
Rounding out the collection are the Cluster Size Calculator, Data Transfer Time Calculator, and Video Size Calculator — practical utilities for everyday file-system and media planning. All these tools are accessible from one central hub, saving you time and effort. Whether you are optimizing a NAS, setting up a surveillance system, or just curious about your storage needs, our free online calculators deliver accurate, actionable data in seconds. Bookmark this page and return whenever you need to crunch storage numbers — we keep updating our tools to stay ahead of industry standards.
Disclaimer: All trademarks, service marks, and product names mentioned on this page are the property of their respective owners. This website provides storage calculation tools for informational purposes only. Always verify critical storage decisions with official documentation and hardware specifications.