What this Genealogy Interview Cost Calculator does
The Genealogy Interview Cost Calculator estimates the labor cost of conducting a set of family history interviews. It uses three figures: the number of interviews, the planned minutes for each interview, and an hourly rate. The result is a simple estimate of interview time priced at that rate. It can help a researcher or family archivist plan a project, compare different interview scopes, or make a clear worksheet before speaking with a genealogist or oral history professional.
The calculator treats each interview as the same length and applies one hourly rate to all interview time. It does not determine what a professional should charge, nor does it estimate travel, preparation, transcription, equipment, archival research, taxes, or other project expenses. Its result is best read as a labor-only planning figure based on the values entered.
The units matter. Enter minutes for interview length and a rate in currency per hour. The output uses the same currency as the hourly rate. Since the calculator has no currency conversion, keep all planning figures in one currency.
How to use the Genealogy Interview Cost Calculator
Choose an interview count from 1 to 100, a duration from 1 to 600 minutes per interview, and an hourly rate from 1 to 1,000 currency units per hour. The defaults provide a starting point, but replace them with figures that describe your project. The calculator multiplies the total interview minutes by the hourly rate after converting minutes into hours.
For example, suppose a family plans five interviews, each lasting 60 minutes, and uses an hourly rate of 50 currency units. Total time is 5 × 60 = 300 minutes, or 5 hours. The estimate is 5 × 60 × 50 ÷ 60 = 250 currency units. This example counts only the interview time.
- Count each planned interview once, even if participants are interviewed together.
- Estimate the expected length in minutes, using a consistent approach across interviews.
- Enter the rate in currency per hour, rather than per minute or per session.
- Review the result as an estimate, then add separately tracked work if it belongs in your project budget.
If interviews vary substantially in length or have different rates, calculate each group separately and add the results. This keeps the arithmetic transparent without implying that every session has the same cost.
How the Genealogy Interview Cost Calculator formula works
The formula is interviews × minutes per interview × hourly rate ÷ 60. First, multiplying interview count by minutes per interview gives the total number of interview minutes. Dividing that total by 60 converts minutes to hours. Multiplying by the hourly rate then gives the estimated labor cost.
The division by 60 is necessary because the rate is expressed per hour while the duration is entered in minutes. For a single 90-minute interview at 40 currency units per hour, the calculation is 1 × 90 × 40 ÷ 60, which equals 60 currency units. The same method works for multiple sessions when their durations and rates are uniform.
The calculator returns one amount, formatted to two decimal places. The decimal display supports fractional currency units in the arithmetic. It does not mean that an invoice must use that precision. Any billing or accounting treatment depends on the project and the people involved.
Use cases for the Genealogy Interview Cost Calculator
Family history work can involve several relatives, different generations, and many separate conversations. A basic estimate helps make the amount of planned interview time visible before the work begins. It can also support a discussion about scope by showing how adding sessions or extending their duration changes the total.
For an archive or family project, the estimate can serve as one line in a larger planning worksheet. Keep a separate row for each type of work, such as preparation, travel, recording review, transcription, or document research. This avoids mixing interview time with tasks that the formula does not measure.
Researchers can also use the calculator to compare scenarios. For instance, calculate a short interview plan and a longer one with the same rate, then consider whether the additional time fits the project. The arithmetic describes the cost implied by the inputs. Decisions about whom to interview, how to conduct the conversations, and how to preserve recordings require context beyond the calculator.
Other factors to consider when calculating interview costs
Interview duration is only one part of an oral history or genealogy project. A professional may spend time reviewing family documents, preparing questions, arranging access, setting up recording equipment, organizing files, or producing transcripts. If those activities are billable, they should be estimated separately using the applicable rate and time assumptions.
Rates and billing practices can vary by provider and project. Some work may be quoted as a fixed project fee, while other work may be billed by time or by a defined deliverable. Confirm what an estimate includes, how extra time is handled, and whether expenses are separate. This calculator does not provide a market rate or a quote.
Practical planning also benefits from a clear interview scope. Identify the relatives or witnesses, the topics each conversation should cover, the expected recording format, and who will retain the files. Consent, privacy, and family expectations deserve careful handling, particularly when conversations include sensitive memories. These considerations affect how a project is organized, though they are not priced by this formula.
FAQ
Does the estimate include transcription?
No. It includes only the interview minutes multiplied by the hourly rate. Estimate transcription separately if it is part of the project.
Can I use different lengths for different interviews?
Yes. Group interviews with the same duration together, calculate each group separately, and add the amounts. For distinct hourly rates, calculate each rate group separately as well.
What currency does the result use?
The result uses the currency represented by the hourly rate you enter. The calculator does not convert currencies, so use one currency consistently.
Why does the formula divide by 60?
The input duration is in minutes, but the rate is per hour. Dividing the total minutes by 60 converts the time to hours before applying the rate.
Is the result a professional quote?
No. It is a planning estimate from the entered values. Ask the provider to confirm their rate, included services, and any additional charges before relying on a project budget.