40 FREE TOOLS · ⌘
Computing & digital calculators
Plan digital storage, media sizes, screens and network capacity.
Image, audio & video
Estimate pixel counts, raw data sizes and encoded media budgets.
Explore topic ↗4 calculatorsScreens & print
Relate image dimensions, aspect ratio and physical print size.
Explore topic ↗11 calculatorsStorage & compression
Plan decimal data capacity, compression and simple backup retention.
Explore topic ↗16 calculatorsNetworks & service capacity
Calculate throughput, transmission delay and simple availability or load budgets.
Explore topic ↗All computing & digital calculators
Image File Size Calculator
Estimate uncompressed image pixel-data size from resolution and colour depth.
Video File Size Calculator
Estimate encoded video-stream size from average bitrate and duration.
Audio File Size Calculator
Estimate uncompressed PCM audio data from sample rate, depth, channels and duration.
Video Bitrate Calculator
Find a target total average bitrate from desired file size and duration.
Aspect Ratio Calculator
Calculate width-to-height ratio as a decimal.
Aspect Ratio Height Calculator
Find a proportional height for a chosen width and target aspect ratio.
Image Print Width Calculator
Find physical print width from horizontal pixels and pixels per inch.
Megapixel Calculator
Find total pixel count in megapixels from image dimensions.
Data Transfer Cost Calculator
Estimate data egress charges from decimal gigabytes and a manually entered rate.
Backup Storage Calculator
Estimate storage for retained full backups with an assumed compression ratio.
Compression Ratio Calculator
Compare original size with compressed size as a compression multiple.
Storage Saving Percentage Calculator
Find the percentage of original data size saved after compression.
Required Bandwidth Calculator
Estimate aggregate link capacity for concurrent streams at a chosen utilisation ceiling.
Network Throughput Calculator
Find average data throughput from decimal megabytes and elapsed time.
Packet Serialization Delay Calculator
Estimate time to transmit a packet’s bits onto a link.
Availability Downtime Calculator
Translate an availability percentage into downtime over a chosen period.
Requests Per Second Calculator
Calculate average request rate over a measurement window.
Little Law Concurrency Calculator
Estimate average items in a stable system from arrival rate and average time.
Binary Address Space Calculator
Count distinct combinations represented by a fixed number of bits.
Frame Count Calculator
Find frame count from constant frame rate and duration.
Bandwidth Delay Product Calculator
Estimate data in flight needed to fill a link across an entered round-trip delay.
TCP Window Throughput Calculator
Estimate a simple transport window and RTT throughput ceiling.
Network Utilisation Calculator
Compare measured traffic with an entered nominal link capacity.
Download Speed Required Calculator
Find the sustained payload speed required to download a file within a target time.
Upload Time Calculator
Estimate the time required to upload a decimal-megabyte file.
IPv4 Address Count Calculator
Find the full address count represented by an IPv4 prefix.
IPv4 Conventional Usable Hosts Calculator
Count traditional usable host addresses after reserving network and broadcast addresses.
Equal Subnet Count Calculator
Count equal subnets created by extending a network prefix.
Signal to Noise Ratio Calculator
Compare signal power with noise power as a decibel ratio.
Shannon Channel Capacity Calculator
Estimate the Shannon capacity bound for a bandwidth and linear SNR assumption.
Streaming Data Usage Calculator
Estimate video or audio streaming data from an average bitrate and viewing time.
Render Farm Time Calculator
Estimate ideal parallel rendering time for a fixed frame workload.
Animation Duration Calculator
Translate a frame count into constant-rate animation duration.
Image Scaling Percentage Calculator
Find the resize multiplier expressed as a percentage of original width.
Cloud Storage Cost Calculator
Estimate simple flat-rate cloud storage charges from average usage.
Cloud Compute Cost Calculator
Estimate constant-rate compute-instance spending.
Data Growth Storage Calculator
Project data volume under a chosen recurring percentage-growth scenario.
Backup Transfer Window Calculator
Estimate transfer time for a decimal-gigabyte backup over a sustained payload link.
Password Search Space Bits Calculator
Measure the theoretical information content of a uniform random character model.
Average Brute Force Time Calculator
Translate an ideal search-space size and assumed test rate into an average search time.
Make your inputs count
Confirm whether quantities are decimal MB/GB or binary MiB/GiB. Raw data estimates exclude headers and compression unless explicitly included. Average rates can hide peaks; use a measured or justified rate for planning.