New Calculators

Calculate your GPA on the 4.0 scale from your course grades and credit hours, with an optional prior GPA to work out your cumulative GPA.

Calculate the HOMA-IR insulin resistance index from fasting glucose and insulin, in mg/dL or mmol/L, with an interpretation band.

Estimate the monthly payment, total interest, and amount financed on a land or lot loan — with the down payment and rate you choose.

Add up order processing, production, and transit time to find total lead time, and compute the reorder point from daily demand and safety stock.

Estimate the per-throw chance of catching a wild Pokémon from its catch rate, HP, Poké Ball, and status condition using the Gen III/IV capture formula.

Calculate power-to-weight ratio in watts per kilogram and horsepower per tonne and per pound, for cars, bikes, and cycling.

Calculate the price elasticity of demand with the midpoint method and see whether demand is elastic, inelastic, or unit elastic.

Calculate prostate volume from three ultrasound or MRI dimensions using the ellipsoid formula, plus estimated gland weight and PSA density.

Find the original value before a percentage increase or decrease, or work out what number a value is a given percentage of.

Estimate the calories burned rucking (walking with a loaded pack) using the Pandolf equation, from your body weight, load, speed, grade, terrain, and time.

Find the right ski length for your height, ability, and skiing style, with a suggested range to shop within.

Calculate baseball slugging percentage (SLG) from at-bats and each kind of hit, weighting singles, doubles, triples, and home runs — plus total bases and batting average.

Find the recommended surfboard volume in litres for your weight, ability, and fitness — with a suggested range to shop within.

Find the capacity of a cylindrical, rectangular, or capsule tank in litres, US gallons, imperial gallons, and cubic metres.

Find the taxable yield a bond must offer to match a tax-free municipal bond after tax, from the tax-free yield and your tax bracket.

Calculate win percentage from a win-loss-tie record, with ties counted as half a win, ignored, or counted as games — plus total games and win-loss ratio.

See how many calories any activity burns — by duration, distance, steps, or reps.

Convert cups, ounces, grams, ml and more — with ingredient-aware density for 15 baking staples.

Convert any monthly USD budget into concrete engineering output across 25 popular AI coding models.

Calculate how much it costs to level up your Steam profile. Estimate XP needed, card sets required, and total cost based on your current and target level.

Calculate the total value of your Steam library, cost per hour, and played vs unplayed breakdown.

Calculate Steam Community Market fees including transaction fee and publisher fee for any item listing.

Check if your Steam purchase is eligible for a refund based on ownership period and playtime.

Calculate how much you save during Steam sales based on discount tier and number of games.

Estimate how much disk space your Steam game library needs based on game types.

Plan your Steam sale budget by estimating wishlist costs and potential sale savings.

Convert your exam percentage to the 15-point KMK grading scale used across all German states. Instantly see your Notenpunkte, Schulnote, and how close you are to the next grade.

Calculate the exact number of deductible commuting days for your tax return. Automatically subtracts weekends, school holidays, and public holidays.

Calculate your statutory teaching load, track actual hours, and instantly determine your weekly overtime or underload balance.

Calculate your exact monthly liquidity gap during parental leave as a civil servant, accounting for capped Elterngeld and continued private health insurance.

Calculate the error quotient and grade points for language exams.

Generate official IHK grading tables instantly. Convert maximum exam points to specific grades 1-6 using the standard 92-81-67-50-30 DIHK percentage key.

Generate a fair grading scale with a custom passing threshold (Knick), as used in German schools. Instantly calculate exact point boundaries for German grades 1 to 6.

Calculate exact grading time and visualize how weekend exam marking pushes your weekly teacher workload past the legal 41-hour limit.

Calculate LIX, Flesch Reading Ease, and WSTF scores to evaluate text readability.

Generate a linear or IHK grade scale instantly. Distribute test points to grades 1-6 accurately, toggle half-points, and see the full grade table at a glance.

Calculate compensable teacher overtime in North Rhine-Westphalia per Unterrichtsstunde (45-min lesson), based on the de minimis threshold (Bagatellgrenze), your part-time status, and the NRW per-lesson rate for your Lehramt.

Calculate exact legal maternity leave dates (Mutterschutz) in Germany, including post-birth extensions and school holiday overlaps for teachers.

Calculate your weighted grade average in percent — give each grade a share, all shares should add up to 100%. Dynamically supports 2–8 grades.

Convert German upper school points to decimal grades and back.

Calculate the required salary reduction and working phase duration for your sabbatical using the block part-time model (Ansparmodell).

Calculate your exact monthly net salary as a German civil servant for any pay grade A6–A16, all 16 Bundesländer plus Bund, with real 2026 Besoldungstabellen, per-Land Familienzuschlag, the official § 32a EStG income tax formula, and PKV deduction.

Calculate your Beihilfe rate, required private health insurance (PKV) share, and your annual Kostendämpfungspauschale (deductible) in NRW.

Calculate the exact morning and evening golden hour start and end times for any location and date to perfectly plan your photography or outdoor event.

Calculate the exact date and estimated net payout for your 25, 40, or 50-year public service anniversary bonus in Germany (TVöD/Beamte) and Austria.

Calculate exact net salary loss, adjusted substitution thresholds, and effective hourly rates when reducing teaching workload as a civil servant.

Calculate exact travel expense reimbursements for school trips and training, including mileage allowances and BRKG meal deductions.

Estimate your relocation reimbursement (Umzugskostenvergütung) according to the German BUKG, including the 60-minute commute reduction rule and flat rates.

Find exact morning and evening blue hour times for your location. Plan your photography shoot with our calculator, featuring weather viability and phase splits.

Calculate your exact net salary as a German civil servant or teacher (A12/A13). Compare state differences, family allowances, and calculate your true net income.