Lab management calculators

Know your numbers.
Run a better lab.

Free calculators for lab managers and owners. No login required.

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Free
Labor Cost per Test
Calculate the true labor cost per test based on hourly wage and hands-on time. Result populates into True Cost of Test automatically.
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Please fill in all fields with values greater than zero.
Labor Cost per Test
Populated into True Cost of Test automatically.
Labor Cost / Sample
Samples per FTE
Formula
Labor Cost / Test = (Hourly Wage ÷ 60) × Minutes per Test
Labor Cost / Sample = Labor Cost / Test (same metric)
Samples / FTE = Monthly Volume ÷ Number of Staff
Free
True Cost of Test
Calculate the fully loaded cost of a test and see your real margin after reimbursement. Labor cost populates from the Labor Cost calculator.
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Please fill in reagent cost, labor cost, and reimbursement.
Profit per Test
True Cost
Gross Margin
Formula
True Cost = Reagent Cost + Labor Cost + Overhead
Profit / Test = Reimbursement − True Cost
Gross Margin % = (Profit / Test ÷ Reimbursement) × 100
Free
Equipment Payback Period
Find out how long it takes for a new instrument to pay for itself. Reagent + labor cost populates from True Cost of Test.
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Please fill in all fields with values greater than zero.
Payback Period
Monthly Profit
Profit per Test
Formula
Profit / Test = Reimbursement − Cost / Test
Monthly Profit = Profit / Test × Monthly Volume
Payback Period (months) = Equipment Cost ÷ Monthly Profit
Free
Vendor Cost Comparison
Compare two vendors side by side including instrument cost and annual maintenance contracts.
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Please enter monthly volume and reagent cost for both vendors.
5-Year Savings with Best Vendor
Vendor A — Annual
Vendor B — Annual
Vendor A — 5-Year
Vendor B — 5-Year
Formula
Annual Reagent Cost = Cost / Test × Monthly Volume × 12
Total Annual Cost = Annual Reagent Cost + Annual Maintenance
5-Year Total = (Total Annual Cost × 5) + Instrument Cost
Savings = |Vendor A 5-Year − Vendor B 5-Year|
Free
Instrument Depreciation
Calculate straight-line depreciation and the per-test cost to include in your profitability analysis.
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Please fill in all fields with values greater than zero.
Annual Depreciation
Monthly
Per Test
Formula (Straight-Line)
Annual Depreciation = (Purchase Price − Salvage Value) ÷ Useful Life (yrs)
Monthly Depreciation = Annual Depreciation ÷ 12
Depreciation / Test = Monthly Depreciation ÷ Monthly Test Volume
Free
Send-Out vs. Bring In-House
Find out if your send-out volume justifies bringing a test in-house, and what volume makes the switch profitable.
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Please fill in send-out cost, volume, reimbursement, instrument cost, and in-house variable cost.
Monthly Savings at Current Volume
Current Monthly Cost
In-House Monthly Cost
Break-Even Volume
Equipment Payback
Formula
Monthly Send-Out Cost = Send-Out Cost / Test × Monthly Volume
Monthly In-House Cost = (Variable Cost / Test × Volume) + (Annual Maintenance ÷ 12)
Monthly Savings = Send-Out Cost − In-House Cost
Break-Even Volume = (Annual Maintenance ÷ 12) ÷ (Send-Out − Variable Cost / Test)
Equipment Payback = Instrument Cost ÷ Monthly Savings