Free Tools
Business communications calculators
21 free calculators to help you model costs, savings, and ROI before making a communications platform decision. All tools are free, instant, and use published industry benchmarks — no email required.
Cost & Savings
VoIP Savings Calculator
Estimate how much your organization saves by switching from traditional phone lines or on-premise PBX to cloud VoIP. Uses published benchmarks from FCC, Gartner, and Metrigy.
Open calculator →International Calling Cost Calculator
Compare what you pay per minute to each destination versus published VoIP carrier rates. Instantly identify your most expensive calling corridors.
Open calculator →Wholesale Billing Increment Calculator
Paste your own call durations and compare 60/60, 6/6, 30/6, and 1/1 billing. Shows billed minutes, cost, and the error an average call length hides.
Open calculator →Wholesale Route Cost Calculator
Compare routes by cost per answered call and per connected minute, using rate, billing increment, ASR, and ACD instead of the headline rate alone.
Open calculator →Business Phone System ROI Calculator
Full total-cost-of-ownership analysis for CFOs and IT leaders evaluating on-premise versus cloud phone platforms. 3-year projection with hidden cost breakdown.
Open calculator →DID Number Cost Estimator
Estimate monthly cost for local DIDs, toll-free numbers, vanity numbers, and international DIDs. Compare your current rate against VoIP benchmarks.
Open calculator →Contact Center Operations
Call Center Cost-Per-Call Calculator
Calculate your true cost per call including agent time, handle time, infrastructure, and overhead. Find where your biggest efficiency opportunities are hiding.
Open calculator →Contact Center Staffing Calculator
Calculate exactly how many agents you need to meet your service level targets using the Erlang C queuing formula. Accounts for call volume, AHT, shrinkage, and target SLA.
Open calculator →Agent Turnover Cost Calculator
Quantify the true annual cost of call center agent attrition — recruitment, training, ramp-up, and lost productivity. See how much a 10–20% reduction saves your operation.
Open calculator →Call Center Shrinkage Calculator
Calculate true available agent hours after breaks, training, admin tasks, and unplanned absences. Uses COPC 2024 and ICMI 2024 benchmarks.
Open calculator →Occupancy Rate Calculator
Calculate agent occupancy rate, idle cost, and optimal staffing level. Flags burnout risk above 90% occupancy. Based on ICMI 2024 research.
Open calculator →SLA Breach Risk Calculator
Determine whether your current staffing will meet your service level target using the Erlang C formula. Identify breach risk before it happens.
Open calculator →First Call Resolution (FCR) Calculator
Calculate your FCR cost impact, benchmark against industry averages, and model savings from a 5% improvement. Based on ICMI 2024 benchmarks.
Open calculator →On-Hold Cost Calculator
Quantify the true cost of on-hold time: agent wages, abandoned calls, and lost revenue. Uses ICMI 2024 data on abandon rates and hold time.
Open calculator →Average Handle Time (AHT) Calculator
Calculate AHT from total talk time, hold time, after-call work, and handled interactions. Shows the substituted formula alongside the result.
Open calculator →Call Abandonment Rate Calculator
Calculate call abandonment rate from offered and abandoned calls. Optional short-abandon exclusion adjusts both numerator and denominator. Shows the substituted formula.
Open calculator →After-Call Work (ACW) Calculator
Calculate the annual cost of after-call work time and how much capacity you recover by reducing it. Shows savings from 30% ACW reduction.
Open calculator →Call Volume Forecasting Calculator
Project next period call volume using weighted moving average with seasonality and growth trend adjustments. Built on 4-week historical inputs.
Open calculator →Messaging
SMS Segment Calculator
Paste any message to instantly see GSM-7 vs UCS-2 encoding, segment count, and remaining character capacity. Extension characters and emoji counted correctly.
Open calculator →Infrastructure & Technical
MOS Score Calculator
Estimate VoIP call quality (MOS-CQE) from one-way network delay, jitter buffer size, codec, and packet loss using a simplified narrowband E-model.
Open calculator →SIP Trunk & Bandwidth Calculator
Determine how many SIP channels and how much internet bandwidth your VoIP deployment needs. Supports G.711, G.729, and Opus codecs with Erlang B Grade of Service modeling.
Open calculator →Call Recording Storage Calculator
Calculate how much storage your call recordings need and what they cost. Supports G.711, G.729, Opus codecs with configurable retention periods.
Open calculator →NATO Phonetic Alphabet Converter
Convert any word, number, or phrase to NATO phonetic alphabet instantly. Free tool for call center agents, aviation, military, and telecom professionals.
Open calculator →Need a custom analysis for your team?
Our team can model actual costs for your specific setup — traffic volume, team size, call destinations, and feature requirements.