Data & Bandwidth Calculators

Calculate bandwidth, data transfer and download time and other data & bandwidth calculations.

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All Data & Bandwidth Calculators

Bandwidth CalculatorCalculate the network speed you need to transfer a file of a given size within a target time.Data Transfer CalculatorCalculate the time to transfer any amount of data at a given network or connection speed.Download Time CalculatorCalculate how long a download will take, given the file size and your connection speed.Storage CalculatorConvert a data size between bits, bytes, kilobytes, megabytes, gigabytes, and terabytes.Upload Time CalculatorCalculate how long an upload will take, given the file size and your upload speed.

Data & Bandwidth Guides

Technology & Internet2 min read

How to Calculate the Internet Speed You Need for a Target Transfer Time

Working backward from a file size and a deadline, the required connection speed is found by dividing the file size (in bits) by the desired transfer time — the exact reverse of calculating how long a transfer will take at a known speed, and the answer scales directly with both a larger file and a tighter deadline.

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Technology & Internet2 min read

Mbps vs MB/s: Why Your "100 Mbps" Connection Downloads at 12.5 MB/s

Internet speeds are advertised in megabits per second (Mbps), but file sizes and download progress bars are shown in megabytes (MB) — since there are 8 bits in a byte, a "100 Mbps" connection downloads at a maximum of 12.5 MB/s, not 100 MB/s, and mixing up the two units is the single biggest source of confusion about internet speed.

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