Networking Calculator

  • Bandwidth Delay Product Calculator
    Calculate the bandwidth-delay product (BDP) from link bandwidth and round-trip time. Find the ideal TCP window size in bits, bytes and KB.
  • Baud Rate Calculator
    Calculate baud rate (symbol rate) from bit rate and the number of signal levels (M) for M-ary modulation. Free online baud rate calculator.
  • Propagation Delay Calculator
    Calculate signal propagation delay over a cable or medium from distance and velocity factor. Get delay in nanoseconds and microseconds instantly.
  • Coaxial Cable Impedance Calculator
    Calculate the characteristic impedance Z₀ of a coaxial cable from its conductor diameters and dielectric constant using the classic 138/√εr·log10(D/d) formula.
  • Crosstalk Calculator
    Calculate crosstalk in decibels from source and coupled voltages using crosstalk_dB = 20·log10(V_coupled / V_source). Free and instant.
  • Transfer Speed from Transfer Time Calculator
    Calculate effective transfer speed (bps, kbps, Mbps, MB/s, GB/s) from data size and elapsed time. Choose decimal (1000) or binary (1024) prefix bases.
  • Data Transfer Time Calculator
    Estimate how long it takes to transfer files over a network, HDD or USB. Supports B/kB/MB/GB/TB, bps vs B/s, 1000/1024 base and transmission efficiency.
  • Signal Attenuation Calculator
    Calculate signal attenuation in decibels (dB) from input and output power using Attenuation = 10·log10(P_in/P_out). Fast, accurate power-loss tool.
  • Data Transfer Rate Converter
    Convert data transfer speed between bps, kbps, Mbps, Gbps, MB/s, GB/s and binary kibi/mebi/gibi units instantly. SI (1000) and IEC (1024) supported.
  • Insertion Loss Calculator
    Calculate insertion loss in decibels (dB) from input and output power using IL = 10·log10(P_in / P_out). Fast, accurate RF and optical loss tool.
  • Fresnel Zone Calculator
    Calculate the Fresnel zone radius for a wireless link from frequency and distances. Find the radius, 60% clearance, and wavelength instantly.
  • Frequency Bandwidth Calculator
    Calculate signal bandwidth from upper and lower frequencies. Get bandwidth, center frequency, and fractional bandwidth instantly with BW = f_high − f_low.
  • Signal-to-Noise Ratio Calculator
    Calculate signal-to-noise ratio (SNR) in decibels from signal and noise power using SNR_dB = 10·log10(P_signal/P_noise).
  • IP Address CIDR Range Calculator
    Enter an IPv4 address and CIDR prefix to compute the network, broadcast, usable host range, subnet mask, wildcard mask, and host counts.
  • Mbps Download Time Calculator
    Estimate how long a file takes to download. Enter file size in MB and connection speed in Mbps to get the download time in seconds, minutes, and hours.
  • IP Subnet Calculator
    Free IPv4 subnet calculator. Enter an IP address and CIDR prefix to get the network, broadcast, subnet mask, host range and usable host count.
  • IPv4 Subnet Calculator
    Free IPv4 subnet calculator. Enter an IP address and CIDR prefix to get the subnet mask, network, broadcast, host range, and usable host count.
  • Mbps Calculator
    Convert Mbps to MB/s instantly. Enter your internet or data rate in megabits per second to see megabytes per second, Kbps, and Gbps.
  • Bandwidth Calculator
    Calculate file download and data transfer time from data size and bandwidth. Convert between KB/MB/GB/TB and Kbps/Mbps/Gbps instantly.
  • Reverse Subnet Mask Calculator
    Calculate reverse subnet mask quickly and accurately with this easy-to-use tool. Input your subnet mask and get the corresponding reverse mask for network configuration and troubleshooting.
  • IPv4 Subnet Calculator
    Calculate IPv4 subnet details with this IPv4 Subnet Calculator. Input your IP address and subnet mask to instantly determine network information, available hosts, and more.

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