PangPang ToolsUseful answers, without the extra steps.
Count text, calculate a discount, compare dates, or convert an area. Clear results, with the working explained.
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Age calculator
Calculate age in completed years and elapsed calendar days from a birth date. Change the reference date to check an age in the past or future.
Area unit converter
Convert square metres, Korean pyeong, square feet, acres and hectares with documented constants and up to twelve significant digits in the result.
Mean & median calculator
Calculate the arithmetic mean, median, sum, count, minimum and maximum of a list. Compare the effect of outliers using decimal and negative numbers.
Compound interest calculator
Estimate compound growth from principal, nominal annual rate, years and compounding frequency. See the final balance and interest with clear reinvestment assumptions.
D-Day calculator
Count calendar days until an event or since a past date. Set a reference date and read D-minus, D-plus or D-Day, with leap years handled automatically.
Date difference calculator
Count calendar days between two dates, include both endpoints if needed, and see complete weeks plus remaining days without daylight-saving errors.
Image converter
Convert PNG, JPG and WebP images locally with JPG/WebP quality control. Download the converted file without uploading it, preserving the original pixel dimensions.
Images to PDF
Create one PDF from up to ten PNG, JPG or WebP images in your browser. Fit one image per A4 page, review page order and download without uploading files.
Loan & mortgage repayment calculator
Compare equal monthly, equal principal and interest-only monthly loan repayments. See principal, interest, remaining balance and a full CSV schedule.
Percentage calculator
Calculate discounted prices and savings, percentages of amounts, ratios and percentage changes with worked examples.
Ratio calculator
Reduce two non-negative integers to their simplest ratio or solve A : B = C : X. Use proportions to scale recipes, dimensions and quantities.
Character & word counter
Count characters with or without whitespace, words, lines, Unicode code points and UTF-8 bytes. Handle Korean and emoji locally without uploading text.
Time calculator
Add or subtract durations in hours, minutes and seconds. Handle totals over 24 hours and negative differences, with total hours and seconds included.
Unit converter
Convert metric and customary length or mass units, and Celsius, Fahrenheit or kelvin. Use exact standard factors and reject temperatures below absolute zero.
Straight to the answer
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Two languages. One toolkit.
Switch between Korean and English on the same tool.
More than a number
Clear instructions and worked examples alongside every result.