One-time payment, no subscription, no auto-renewal. Every paid license unlocks unlimited calculations and all Pro features. Your license key is emailed to you immediately after payment.
This is a browser-based tool for freight forwarders, factory shipping departments and e-commerce sellers. You enter cargo dimensions and weights, and the calculator returns how many units fit in a container, the volume utilisation, the weight usage, a layer-by-layer plan view and a 3D view that can be exported or printed.
| Item | Detail |
|---|---|
| Currency | US$ (USD). Prices shown are exclusive of taxes. |
| Payment methods | Credit / debit card, PayPal, Apple Pay and Google Pay (subject to your country and device). |
| Taxes (VAT / GST / sales tax) | Our payment partner Lemon Squeezy acts as the merchant of record. It calculates, collects and remits any applicable taxes at checkout. The tax amount is shown before you confirm payment. |
| Receipts & invoices | Issued by Lemon Squeezy and sent to your email address automatically. |
| Renewal | No auto-renewal. When your term ends, the tool returns to the free trial limit. You can buy again at any time. |
If you are not satisfied, you may request a refund and we will refund the unused portion of your license period, calculated proportionally by remaining days — see the full Refund Policy.
Questions before purchasing? Email [email protected] — we usually reply within 1–2 business days.
本工具采用一次性付费、不自动续费。付款后授权码立即发送到你的邮箱，在网站上输入激活码即可解锁全部 Pro 功能。
| 档位 | 价格（USD） | 期限与内容 |
|---|---|---|
| Pro 授权 · 6 个月 | US$12.99 | 6 个月内无限次计算，全部集装箱柜型、混装 / 堆叠限制 / 不可翻转、分层平面图与 3D 视图、PNG 与打印导出。 |
| Pro 授权 · 12 个月 | US$19.99 | 同上，期限 12 个月，折合每月更低。 |
| 境内用户（人民币） | ¥6.9 / ¥28.9 / ¥49.9 | 月卡 / 半年卡 / 年卡，通过站内支付或面包多购买，权益相同。 |
税费由我们的支付合作方 Lemon Squeezy 作为登记商家（Merchant of Record）在结账时按你的所在地代收代缴，付款前会显示含税总额。不收自动续费，到期后可随时再买。
对结果不满意可以按剩余天数比例申请退款，详见退款政策。