RunCalc

🏃 Running

Heat Running Pace Adjustment Calculator – Temperature & Humidity Effect

Adjust your expected running pace for heat and humidity. Calculate how much slower to run in hot …

Negative Split Calculator – Race Split Planner for Runners

Plan your race splits with a negative or even split strategy. Calculate first and second half paces …

Race Time Predictor – Predict Finish Time Using Riegel Formula

Predict your finish time for any race distance based on a recent race performance. Uses the Riegel …

Running Cadence Calculator

Find your optimal running cadence (steps per minute) based on your height and pace. Improve …

Running Training Zone Calculator – Daniels Easy, Threshold & Interval Paces

Calculate your personalized running training zones from any race performance. Get Easy, Marathon, …

Treadmill Pace Converter – Speed to Pace with Incline Adjustment

Convert treadmill speed (mph or km/h) to running pace (min/km or min/mile). Includes incline …

VDOT Calculator – Jack Daniels Running Formula

Free VDOT calculator using Jack Daniels Running Formula. Enter any race result to get VDOT score and …

Παρακολούθηση Χιλιομετράζης Παπουτσιών Τρεξίματος

Μάθετε πότε να αντικαταστήσετε τα παπούτσια τρεξίματός σας βάσει της τρέχουσας χιλιομετράζης, …

Υπολογιστής «Τείχους» Μαραθωνίου – Πρόβλεψη Εξάντλησης Γλυκογόνου

Προβλέψτε πότε θα χτυπήσετε το «τείχος» στον μαραθώνιο. Υπολογίστε εξάντληση γλυκογόνου και …

Υπολογιστής VO2 Max Τρεξίματος – Εκτίμηση Αερόβιας Ικανότητας από Χρόνο Αγώνα

Εκτιμήστε το VO2 max σας από οποιαδήποτε επίδοση αγώνα χρησιμοποιώντας την εξίσωση κόστους οξυγόνου …

Υπολογιστής VO2max

Υπολογίστε το VO2max σας από την άσκηση, τον καρδιακό ρυθμό ή τις δοκιμές φυσικής κατάστασης.

Υπολογιστής Αναπροσαρμογής για Υψομετρική Διαφορά – Ρυθμός σε Ανηφόρα

Ρυθμίστε τον ρυθμό τρεξίματος για υψομετρική διαφορά και λόφους. Χρησιμοποιεί τις εξισώσεις Minetti …

33 calculators

💪 Fitness & Health

Child BMI Calculator – CDC Growth Chart Percentile

Calculate BMI for children and teens aged 2–19 with CDC growth chart percentile. Get age- and …

Creatine Calculator

Calculate your optimal daily creatine dosage based on body weight. This free online calculator gives …

Cycling Calorie Calculator

Calculate calories burned cycling based on your weight, speed, and duration. Works for road cycling, …

Daily Fiber Calculator

Calculate your recommended daily fiber intake based on age, sex, and calorie needs. Improve …

Daily Water Intake Calculator

Calculate how much water you should drink daily based on your weight and activity level. Use this …

Muscle Gain Calculator

Calculate your maximum natural muscle gain potential per month and year. Use this free online …

Ovulation Calculator

Estimate your most fertile days and ovulation date based on your menstrual cycle. Try this free …

Period Calculator

Predict your next period date based on your last menstrual period and average cycle length. Free …

Pregnancy Week Calculator

Find out exactly how many weeks pregnant you are based on your last menstrual period. Track your …

Pregnancy Weight Gain Calculator

Calculate recommended weight gain during pregnancy based on your pre-pregnancy BMI and current week …

Push-Up Calorie Calculator

Calculate calories burned doing push-ups based on your weight, number of reps, and sets. Estimate …

Running Pace Calculator

Free running pace calculator. Converts between pace (min/km, min/mile), speed (km/h, mph), and …

51 calculators

💰 Finance

CAGR Calculator

Calculate Compound Annual Growth Rate (CAGR) between any two values. Find the annualized return of …

Cost Per Unit Calculator

Calculate the cost per unit of any product or service. Compare prices to find the best value. This …

Credit Card Payoff Calculator

Calculate how long it takes to pay off your credit card and total interest paid. Optimize your …

Currency Converter

Convert between major world currencies using up-to-date reference rates. Fast, free currency …

Debt Payoff Calculator

Calculate how long to pay off debt and how much interest you will pay. Use this free online …

Debt-to-Income Ratio Calculator

Calculate your debt-to-income (DTI) ratio to see if you qualify for a mortgage or other loans. This …

Electricity Cost Calculator — Calculate Your Energy Bill (Free)

Calculate electricity costs from watts, hours per day, and your rate per kWh. Find out exactly what …

EV Charging Calculator — Time & Cost to Charge Your Electric Car

Calculate how long it takes to charge your electric vehicle and the total cost. Enter battery size, …

Gas Cost Calculator — Trip Fuel Cost Estimator

Calculate the gas cost for any road trip. Enter distance, MPG, and gas price per gallon to get your …

Mortgage Payment Calculator - Mortgage

Free mortgage calculator. Enter loan amount, interest rate, and term to get monthly payment, total …

Mortgage Payment Calculator - Payment

Calculate your monthly mortgage payment including principal and interest. See how much house you can …

Net Worth Calculator

Calculate your net worth by adding up assets and subtracting liabilities. Use this free online …

52 calculators

🔢 Math

Circle Calculator

Calculate the area, circumference, and diameter of a circle from the radius. Instant results with …

Cone Volume Calculator

Calculate the volume, slant height, and surface area of a cone. Enter radius and height. Use this …

Mean Median Mode Calculator

Calculate mean, median, mode, range, and other statistics for any data set. Use this free online …

Midpoint Calculator

Find the midpoint between two points in 2D space. Enter coordinates (x₁,y₁) and (x₂,y₂). Use this …

Modulo Calculator

Calculate the remainder of a division operation. Find a mod b instantly with step-by-step …

Multiplication Calculator

Multiply two or more numbers instantly. Shows the product and step-by-step multiplication. Use this …

Prime Factorization Calculator

Find the prime factors of any number. Displays the prime factorization with exponents. Try this free …

Prime Number Checker

Check if a number is prime and find its factors. Use this free prime checker to instantly test any …

Pythagorean Theorem Calculator

Calculate any side of a right triangle using the Pythagorean theorem (a² + b² = c²). Find hypotenuse …

Quadratic Formula Calculator

Solve quadratic equations (ax² + bx + c = 0) and find roots using the quadratic formula. Use this …

Random Number Generator

Generate random numbers within a range. Perfect for games, decisions, and statistics. Try this free …

Rounding Calculator

Round any number to a specified number of decimal places. Choose standard, ceiling, or floor …

56 calculators

🔄 Conversions

70 κιλά = 154,3 λίβρες 80 κιλά = 176,4 λίβρες 100 κιλά = 220,5 λίβρες

Συμπεριλαμβάνει πλήρη πίνακα αναφοράς 1 - 200 kg, όρια αποσκευών αεροπορικών εταιρειών και διάγραμμα …

Acres to Square Feet Converter — ac to sq ft (Instant, Free)

Convert acres to square feet and square feet to acres instantly. Essential for real estate, land …

Bytes to MB Converter — Convert Bytes to Megabytes Instantly

Convert bytes to megabytes (MB) instantly. Uses the binary definition: 1 MB = 1,048,576 bytes. …

Calories to Joules Converter — cal to J (Instant, Free)

Convert food Calories (kcal) and small calories to joules instantly. Includes kJ reference, …

Celsius to Fahrenheit Converter

Convert temperatures between Celsius, Fahrenheit, and Kelvin. Instant temperature conversion …

Celsius to Kelvin Converter — °C to K (Instant, Free)

Convert Celsius to Kelvin instantly online. Formula: K = °C + 273.15. Includes conversion table, …

CM to MM Converter — cm to mm (Instant, Free)

Convert centimeters to millimeters and millimeters to centimeters instantly. Simple formula: …

Cups to Gallon Converter — cups to gal (Instant, Free)

Convert cups to gallons instantly. Cups to US gallon conversion with formula, table, and calculator. …

Cups to Liters Converter — US Cups to Liters (Instant, Free)

Convert US cups to liters and liters to cups instantly. 1 cup = 0.236588 liters. Includes conversion …

Cups to Oz Converter — Cups to Fluid Ounces (Instant, Free)

Convert cups to fluid ounces and oz to cups instantly. Simple multiplication by 8 for US cups. …

Days to Hours Converter — days to hr (Instant, Free)

Convert days to hours and hours to days instantly. Includes conversion table, running training …

Decimal to Fraction Converter

Convert any decimal number to a simplified fraction instantly. Shows step-by-step conversion using …

99 calculators

📅 Date & Time

Business Days Calculator

Count the number of business days (weekdays) between two dates, excluding weekends. Try this free …

Days Until Calculator

Calculate how many days until a specific date. Countdown to birthdays, holidays, events, and …

Μετατροπέας ζώνης ώρας

Μετατρέψτε την ώρα ανάμεσα σε ζώνες ώρας. Δείτε τι ώρα είναι οπουδήποτε στον κόσμο αυτή τη στιγμή. …

Υπολογιστής Διάρκειας Χρόνου

Υπολογίστε τη διάρκεια μεταξύ δύο ωρών ή προσθέστε/αφαιρέστε ώρες, λεπτά και δευτερόλεπτα. Δωρεάν …

Υπολογιστής Διαφοράς Ηλικίας

Υπολογίστε την ακριβή διαφορά ηλικίας μεταξύ δύο ατόμων σε χρόνια, μήνες και ημέρες. Δωρεάν …

Υπολογιστής διαφοράς ημερομηνιών - Πόσες ημέρες μεταξύ δύο ημερομηνιών;

Πόσες ημέρες μεταξύ δύο ημερομηνιών; Εισάγετε οποιαδήποτε ημερομηνία έναρξης και λήξης -> πάρετε τις …

Υπολογιστής εβδομάδων

Υπολογίστε τον αριθμό των εβδομάδων μεταξύ δύο ημερομηνιών ή βρείτε μια ημερομηνία σε ορισμένο …

Υπολογιστής Ηλικίας

Υπολογίστε την ακριβή σας ηλικία σε χρόνια, μήνες, ημέρες, ώρες και λεπτά. Μάθετε πόσες ημέρες …

Υπολογιστής Ημέρας Γενεθλίων

Μάθετε ποια ημέρα της εβδομάδας γεννηθήκατε και ποια ημέρα πέφτουν τα επόμενα γενέθλιά σας. …

Υπολογιστής ημερών μεταξύ ημερομηνιών

Calculate the exact number of days between two dates. Find business days, weekdays, weekends, and …

Υπολογιστής Πρόσθεσης/Αφαίρεσης Ώρας

Προσθέστε ή αφαιρέστε ώρες, λεπτά και δευτερόλεπτα από οποιαδήποτε ώρα. Δωρεάν διαδικτυακός …

Υπολογιστής Προσθήκης Ημερών σε Ημερομηνία

Προσθέστε ή αφαιρέστε οποιονδήποτε αριθμό ημερών από μια ημερομηνία. Βρείτε αμέσως την προκύπτουσα …

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