Duke tools

Duke tools is a powerful collection of online tools designed to help users solve problems.

Architecture

Technical Economic Indices Beta

Calculate economic indicators based on building and land area parameters.

Slope Calculator

Calculation of slope and inclination.

Septic Tank

Septic tank design calculations.

Unit Converter

Unit conversion tool.

Linear Interpolation

Calculate the unknown coordinates of the third point based on the known coordinates of two points and the known coordinates of the third point.

Consultation Fee

Calculate the consultation fees for feasibility study reports and project proposals.

Economy

Currency Calculator

Calculate equivalent currency amounts with near real-time exchange rates.

PSN Card Calculator

Calculate whether the PSN cards sold on Taobao are cost-effective.

WeChat Withdrawal Fee

Calculate WeChat withdrawal fees.

Cheque Amount in Words

Convert dates and amounts to Chinese uppercase.

Kelly Formula

Calculate the optimal bet size using the Kelly Criterion.

Shopping List

Pets

Fish Tank Calculator

Calculate water, lighting, and additive recommendations based on fish tank dimensions and other parameters.

Coding

Base64 Encoder/Decoder

Tool for Base64 encoding and decoding.

Color Converter

Online color converter.

Image to WebP

Online tool to convert images to WebP format.

URL Friendly

Online tool to convert sentences to URL-friendly strings.

Password Generator

Generate random passwords.

Magnet Link Converter

Convert between Chinese surnames and magnet links.

Morse Code

Tool for morse code encoding and decoding.

QR Code Generator

Online tool to generate QR codes.

Extra Tools

Earthquake Information

Recent earthquake information in the last 7 days.

Countries of the World

Information about countries around the world.

Translator

Multi-language translation tool.

Power Consumption Calculator

Calculate the power consumption of appliances.

Year progress

Illustrate the progress of this year.