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László Stromájer (aure)left a comment
Hey Product Hunt! I built Convert Fast because every unit converter I used was either slow, cluttered with ads, or buried the input under a wall of content. The goal was simple: type a number, get the answer immediately. Would love your feedback — especially on which categories or unit pairs you feel are missing. What do you convert most often?
Convert FastUnit converter that doesn't waste your time
László Stromájer (aure)left a comment
Hey Product Hunt! I built Finance Fast because most finance calculators either require signup or bury the result at the bottom of a long article. The goal: open the page, type your numbers, get your answer. I'd love to know which calculator you'd use first — and if there's one missing that you actually need. Feedback welcome!
Finance FastPersonal finance calculators. Results as you type.
Convert Fast handles 16 categories — length, weight, temperature, volume, area, speed, pressure, fuel economy, cooking, shoe size, currency, and more. Type in either field and the result updates instantly. No submit button, no signup. The currency converter pulls live ECB rates. The cooking converter handles common ingredients by weight. Free. No account needed.
Convert FastUnit converter that doesn't waste your time
Finance Fast gives you 13 free calculators: mortgage, salary, compound interest, loan repayment, debt payoff, retirement, tax refund, savings goal, VAT, inflation, percentage, APR, and tip. Every calculator updates instantly as you type — no submit button. Each result includes a plain-language formula explanation and FAQ. Free. No account needed.
Finance FastPersonal finance calculators. Results as you type.