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Free Tools

Business communications calculators

17 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

Free tool

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.

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Free tool

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.

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Free tool

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.

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Free tool

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.

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Contact Center Operations

Free tool

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.

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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.

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Free tool

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.

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Call Center Shrinkage Calculator

Calculate true available agent hours after breaks, training, admin tasks, and unplanned absences. Uses COPC 2024 and ICMI 2024 benchmarks.

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Occupancy Rate Calculator

Calculate agent occupancy rate, idle cost, and optimal staffing level. Flags burnout risk above 90% occupancy. Based on ICMI 2024 research.

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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.

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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.

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Free tool

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.

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Free tool

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.

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Free tool

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.

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Infrastructure & Technical

Free tool

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.

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Free tool

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.

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Free tool

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.

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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.