Free tool
Convert between metric and imperial units across the categories that actually show up in engineering coursework - length, mass, pressure/stress, torque, and volume flow rate - not just the everyday conversions a generic converter covers.
Updates live as you typeEnter a value to convert.
Encodr works just as well for engineering coursework as for pre-med - build a deck from your own notes and let spaced repetition handle the review.
Get started freeMost of the world standardized on SI (metric) units decades ago, but US engineering practice, imperial-unit legacy equipment, and a lot of published reference material still run in feet, pounds, and psi. Rather than pick a side, most engineering programs teach both and expect you to convert fluently between them - which is where a mismatch actually costs points, not in the underlying physics. Torque and pressure conversions in particular mix base units in ways that are easy to get backwards under time pressure (a newton-meter is not a newton, and a pascal is not a psi), so this tool works off the same underlying SI base unit for every category rather than a lookup table of every possible pair.
Why engineering courses keep both unit systems alive, and the conversions that actually come up in coursework.
The two formulas behind every error-analysis section: one for addition and subtraction, one for multiplication and division.
Spaced repetition and retrieval practice were tested on word lists and vocabulary, not just MCAT content - what carries over to engineering, business, and art courses.
Log your practice tests - score, breakdown, conditions, date - and get a weighted prediction of your real MCAT score.
Open tool →Calculate your cumulative GPA and BCPM science GPA on the AMCAS 4.0 scale.
Open tool →Enter your exam date, hours needed, and difficulty to see how much less time targeted review actually takes.
Open tool →Enter passages completed and minutes elapsed to see your current pace and whether you are on track to finish the CARS section on time.
Open tool →See the Ebbinghaus forgetting curve for cramming vs. spaced review, and where each review session resets your retention.
Open tool →Enter a course, its credit hours, and how memorization-heavy it is to get a recommended daily and weekly study load.
Open tool →Enter your current grade, the final's weight, and your target grade to see the exact score you need on the final.
Open tool →Calculate your unweighted and weighted GPA (honors +0.5, AP/IB +1.0) side by side - not just pre-med, works for any transcript.
Open tool →Enter total questions and the passing percentage to see exactly how many you can miss and still pass.
Open tool →Enter deck size and your new-cards-per-day pace to see when first exposure finishes and your steady-state daily review load.
Open tool →Enter your grading categories and their weights to see your current overall grade, even with categories still outstanding.
Open tool →Convert instantly between letter grades, percentages, and 4.0-scale GPA points.
Open tool →Enter two measurements with their uncertainties to see the propagated uncertainty in a sum, difference, product, or quotient.
Open tool →Enter a discount rate and a series of cash flows to get both the net present value and the internal rate of return.
Open tool →Enter fixed costs, price per unit, and variable cost per unit to see exactly how many units - and how much revenue - it takes to break even.
Open tool →Enter your participation, case write-up, project, and exam weights to see your current grade in a case-method business course.
Open tool →Score your own work against a weighted studio rubric - concept, execution, craft, presentation, and reflection - before a critique or portfolio review.
Open tool →Enter one source once and get correctly formatted citations in APA, MLA, and Chicago side by side, for books, websites, and journal articles.
Open tool →Enter total pages, days available, and how dense the reading is to see how many pages a night it actually takes to keep up.
Open tool →A free, no-signup Pomodoro timer with customizable work and break lengths and a running count of completed sessions.
Open tool →Enter your total credit hours this term to see the weekly study time the standard "2-3 hours per credit hour" rule recommends.
Open tool →Enter your current GPA, credits earned, target GPA, and credits this semester to see the exact GPA you need this term.
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