Free WISP & Fiber Engineering Calculators
Free ISP Engineering & Planning Tools
Precision planning tools for WISPs and fiber operators — RF, optical, power, addressing, and business math. No sign-up required.
Link Budget Calculator
Calculate FSPL, RSSI, and EIRP for wireless links (2.4GHz to 60GHz).
Tower Revenue Calculator
Analyze ISP tower profitability, CAPEX/OPEX, and business Break-Even Point.
GPON Splitter Calculator
Plan optical budgets for PON networks. Calculate splitter and fiber loss.
UPS Runtime Calculator
Estimate battery backup time based on load (Watts) and battery capacity (Ah).
IPv4 Subnet Calculator
CIDR to Subnet Mask, Network Address, Broadcast, and Host Range calculator.
CGNAT Calculator
Plan Carrier-Grade NAT: subscribers per public IPv4, port blocks, and pool capacity.
Data & Bandwidth Converter
Convert Mbps to Gbps, MB to GB, bits to bytes, plus a download time calculator.
Bandwidth Calculator
Plan oversubscription ratios and total backhaul capacity requirements.
ROI Comparison
Compare Kashtrix costs vs legacy platforms (Splynx/Sonar). See how much you can save.
SLA Uptime Calculator
Convert SLA uptime percentages (99.9%) to allowable downtime limits.
MAC Address Lookup
Find the hardware vendor behind any MAC address and decode the OUI bits.
DNS Lookup
Query live A, AAAA, MX, TXT, NS, CNAME and SOA records for any domain.
What Is My IP
See your public IP address, reverse DNS, ISP and location instantly.
IP Location Lookup
Geolocate any IPv4 or IPv6 address: country, city, ISP, ASN and timezone.
CIDR Calculator
Expand a CIDR block to its range, or aggregate an IP range into CIDR blocks.
IPv6 Subnet Calculator
Network, address range, expanded form and subnet counts for any IPv6 prefix.
dBm to Watt Converter
Convert RF power between dBm, mW and watts, and dB gain to a linear ratio.
Link Budget Calculator
Input Parameters:
Calculated Link Results:
Tell us what you need
Specify your network scale, multi-vendor hardware, or custom OSS/BSS integration needs. Our engineering architects will analyze your requirements.