Converters

Pick length, weight, temperature or data size, enter a value, and see every unit at once.

Convert colors between HEX, RGB and HSL with a live swatch and one-click CSS snippets.

Turn an amount into standard Chinese capital words (人民币大写), accurate to jiao and fen, ready for invoices.

Enter loan amount, term and rate to compare equal-payment vs equal-principal plans with full amortization details.