Latest posts

  • VO₂ Max Calculator

    Estimate your VO₂ max from a 12-minute run, a 1.5-mile time trial, or your resting heart rate.

    Read more

  • IVF Due Date Calculator

    Calculate a due date from an IVF transfer or retrieval date, which is more precise than a last-period estimate.

    Read more

  • 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.

    Read more

  • Dilution Calculator

    Work out how much stock solution and how much diluent you need to reach a target concentration and volume.

    Read more

  • Corrected Calcium Calculator

    Adjust a measured serum calcium for low albumin, in both US and SI units.

    Read more

  • CrCl Calculator

    Estimate creatinine clearance with the Cockcroft-Gault equation, using actual, ideal and adjusted body weight.

    Read more

  • Creatinine Clearance Calculator

    Estimate creatinine clearance with the Cockcroft-Gault equation, using actual, ideal and adjusted body weight.

    Read more

  • GFR Calculator

    Estimate glomerular filtration rate from serum creatinine using the race-free CKD-EPI 2021 equation, with the CKD stage.

    Read more

  • A1C Calculator

    Convert between A1C percentage and estimated average glucose in either direction, with the standard category ranges.

    Read more

  • Interest-Only Loan Calculator

    See the low payment during an interest-only period, and exactly how much it jumps once principal repayment starts.

    Read more