Free calculator widgets for your website
Embed any Calculate.Studio calculator on your site with one copy-paste snippet — free, no signup, no API key. Every widget is the same fast, accurate, mobile-friendly calculator we run here, served from our global CDN.
The only condition: keep the small credit link under the widget. That's what keeps the program free. You may resize the iframe and adjust its border styling to match your site.
Want a calculator that isn't listed below? Every one of our 全部计算器 has an </> Embed button on its page.
🏠 房贷计算器
您的结果 →使用标准分期偿还公式计算房贷月供、总利息支出和贷款金额,并附28/36购房负担能力法则说明。
⚖️ BMI计算器
您的结果 →即时计算您的身体质量指数(BMI),提供WHO分类与NHS按族裔调整的阈值。支持公制与英制单位,并给出健康体重范围。
💳 贷款计算器
您的结果 →计算任意分期贷款的月供、总还款额和总利息支出。输入贷款金额、年利率和以月为单位的期限即可。
🎂 Age Calculator
您的结果 →Calculate your exact age in years, months and days from your date of birth, plus total days, weeks, months lived and days until your next birthday.
％ 百分比计算器
您的结果 →三种方式计算百分比:求某数的百分之几、求一个数是另一个数的百分之几、计算两数之间的百分比变化。
📈 复利计算器
您的结果 →使用A = P(1+r/n)^nt计算复利,可选择按年、季、月或日计息,并附72法则翻倍时间估算。
🍎 Calorie Calculator
您的结果 →Calculate daily calories to maintain, lose or gain weight using the Mifflin-St Jeor equation, activity multipliers and safe minimum-calorie floors.
🎓 GPA Calculator
您的结果 →Calculate your GPA on the 4.0 scale with credit weighting: quality points, total credits and a letter-grade conversion table for the common US convention.
🌴 Retirement Calculator
您的结果 →Estimate your retirement nest egg using compound growth and the Bengen 4% safe-withdrawal rule. See projected monthly income in today's dollars.
🤰 预产期计算器
您的结果 →根据末次月经、受孕日期或试管移植日期,依照ACOG奈格尔法则和ASRM惯例估算您的预产期。免费工具。
🏛️ Tax Calculator
您的结果 →Estimate income tax using US 2025 federal brackets or UK 2025-26 bands. See tax due, after-tax income, and effective rate. Educational reference only.
⚡ TDEE Calculator
您的结果 →Calculate your Total Daily Energy Expenditure with the Mifflin-St Jeor equation and standard activity multipliers. Maintenance, loss and gain estimates.