Plan how long large transfers take
Know whether a 10 GB upload finishes before a meeting or needs overnight time.
Tech & Performance
Tech & Performance calculators
Estimate file transfer time, convert between MB and GiB, or check pixel density before you ship a build.
Download & upload estimatorsStorage and bitrate convertersCreator & IT friendly explanations
Perfect for
- •Developers and IT teams
- •Video, photo, and audio creators
- •Hardware reviewers and lab techs
What you can solve
Common scenarios
Download time, data transfer, storage, and display math calculators for creators, IT teams, and hardware nerds.
Choose the right storage tier
Convert between MB, MiB, GB, and TB to compare drives and cloud buckets.
Check display density or frame timing
Translate resolution and screen size into actionable DPI data.
Pick a tool
Featured tech & performance calculators
Browse the live tools below or request a new calculator if you need something specific.
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Download Time Calculator
Estimate how long a download or upload will take based on file size and connection speed.
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Data Transfer Rate Converter
Convert Mbps, MB/s, and KB/s values to compare network and storage speeds.
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Storage Unit Converter
Convert file sizes between bytes, KB, MB, GB, and TB to compare drives or plan backups.
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Frame Time Calculator
Convert FPS into milliseconds per frame and see how much budget your render/update loop is using.
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Pixel Density Calculator
Find the PPI/DPI for any display by entering resolution and diagonal size.
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Battery Life Calculator
Estimate runtime from battery capacity, average load, and voltage.
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Uptime SLA Calculator
See allowed downtime per day, month, and year for a target uptime percentage.
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RAID Capacity Calculator
Estimate usable storage and drive fault tolerance for common RAID levels.
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Aspect Ratio Calculator
Reduce dimensions to a simple ratio and decimal aspect for screens or images.
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Bitrate to File Size Calculator
Convert a video/audio bitrate and duration into file size in MB and GB.
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Power Supply Wattage Calculator
Estimate PSU wattage by adding CPU/GPU/other draw and headroom.
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FPS to Hz Calculator
Convert FPS to frame time and suggest a monitor refresh rate.
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Latency to Frames Calculator
Convert input latency to frame equivalents at a given FPS.
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Upload Time Calculator
Estimate how long an upload will take based on file size and upload speed.
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Streaming Bandwidth Calculator
Estimate required bandwidth and daily data usage for streaming by resolution, FPS, number of streams, and hours per day.
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Backup Time Calculator
Estimate backup time from data size and throughput to plan transfers or backups.
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EV Charging Time Calculator
Estimate how long it takes to charge an EV from a start % to a target % at a given charger power.
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AI Inference Cost Calculator
Estimate AI inference cost across tokens, images, or runtime seconds using per-unit rates.
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3D Print Time Calculator
Estimate 3D print time from model volume, layer height, nozzle size, print speed, and travel overhead.
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S3 Storage Cost Calculator
Estimate monthly S3 cost from GB stored and request volume with adjustable rates.
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Cloud Egress Cost Calculator
Estimate data transfer out (egress) cost using GB and a per-GB rate with a free allowance.
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CI/CD Minutes Cost Calculator
Estimate CI/CD pipeline cost from minutes used, per-minute rate, and optional concurrency.
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Token Estimator
Estimate token count from words or characters as a quick budgeting tool for LLM/API usage.
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PDF Token Estimator
Estimate tokens from PDF page count to budget LLM/API processing costs.
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Image Inference Cost Calculator
Estimate inference cost for image jobs using per-image and per-second rates.
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Bandwidth Capacity Planner
Estimate bandwidth needs for concurrent users/streams with configurable headroom.
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PDF Splitting Cost Calculator
Estimate cloud costs to split/process PDFs, including API calls, storage, egress, and invocations.
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Email Send Cost Calculator
Estimate the monthly and annual cost to send email campaigns based on volume and provider pricing.
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Cloud Bandwidth Savings Estimator
Estimate bandwidth cost savings from caching and compression versus serving traffic direct from origin.
Open calculator →Why people trust us
Built for real-world decisions
Download time, data transfer, storage, and display math calculators for creators, IT teams, and hardware nerds.
Unit flexibility
Switch between bits, bytes, decimal, and binary units without leaving the page.
Practical assumptions
We note the bandwidth assumptions so you can adjust for throttling or overhead.
Creator-ready context
Each calculator explains how to use the outputs in briefs, spec sheets, or content plans.
Explore related categories
Hop to another topic to keep your project or plan moving.
FAQs
- Do these estimates include network overhead?
- We calculate using the bandwidth you enter. Add a small buffer if your network has congestion or throttling.
- Can I convert between decimal and binary storage units?
- Yes. Most calculators let you choose MB, MiB, GB, or TB so specs line up with your workflow.
- Do you explain the math so I can share it with clients?
- Absolutely—formulas and example walkthroughs live right below each tool for easy referencing.