Latest posts
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VO₂ Max Calculator
Estimate your VO₂ max from a 12-minute run, a 1.5-mile time trial, or your resting heart rate.
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IVF Due Date Calculator
Calculate a due date from an IVF transfer or retrieval date, which is more precise than a last-period estimate.
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RVU Calculator
Calculate your annual wRVU production and what it pays under a per-wRVU compensation model — with the full guide to how RVUs work, from the three components and GPCIs to the Medicare payment formula, facility differentials, and the mistakes that quietly cost physicians money.
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Dilution Calculator
Work out how much stock solution and how much diluent you need to reach a target concentration and volume.
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Corrected Calcium Calculator
Adjust a measured serum calcium for low albumin, in both US and SI units.
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CrCl Calculator
Estimate creatinine clearance with the Cockcroft-Gault equation, using actual, ideal and adjusted body weight.
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Creatinine Clearance Calculator
Estimate creatinine clearance with the Cockcroft-Gault equation, using actual, ideal and adjusted body weight.
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GFR Calculator
Estimate glomerular filtration rate from serum creatinine using the race-free CKD-EPI 2021 equation, with the CKD stage.
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A1C Calculator
Convert between A1C percentage and estimated average glucose in either direction, with the standard category ranges.
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Interest-Only Loan Calculator
See the low payment during an interest-only period, and exactly how much it jumps once principal repayment starts.