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All converters and file utilities process 100% locally in your browser. Zero server upload.
Browse all free tools in this category.
Trading crypto? Enter your buy price, sell price, how many coins you hold and your exchange fee. The…
Every business needs to know its break-even point. Enter your fixed costs, selling price per unit and variable…
Enter any price and tax rate, then choose whether your price already includes tax or not. The calculator…
Planning a drive? Enter your trip distance, your car’s fuel efficiency (MPG or km/L) and the current fuel…
Your salary number is not what you receive. Enter your gross salary, tax-free allowance, tax rate and other…
Using the science-backed Mifflin-St Jeor equation, this tool computes your basal metabolic rate from age, weight, height and…
Hydration needs are personal. Enter your weight, climate and daily exercise — the calculator sets your recommended daily…
Estimate daily calorie needs with the Mifflin-St Jeor equation.
Find the best bedtimes and wake times using 90-minute sleep cycles.
Calculate your GPA from courses, credits and grades.