All tools are free to use. Premium removes ads; supported account sync is available to signed-in users on either plan.
Tools work, ads included
Ad-free access plus Premium extras.
Just £1.67/month, billed annually
A free account is required to subscribe
Secure checkout via Stripe. Cancel anytime from your account billing page.
The free plan includes the site’s tools and their core calculations. A subscription is not required to convert units, use the text tools, or enter a scenario into a calculator. Some features need a signed-in account for saved data or cross-device sync, and others need a network connection for live information. Those needs are separate from the calculation itself and are shown where the feature is available.
Free pages are supported by advertising. You can decline optional advertising cookies in the consent banner; that choice does not remove the tools. Browser-based saved settings can be cleared when you clear site data or use a private browsing window, so keep another copy of anything important.
Premium removes advertising from the experience and includes selected tool extras, such as saving favourite tools and adding currencies in the Currency Converter. It does not make a free calculator’s estimate more accurate or change its method. The same input checks, published assumptions, source links, and limitations apply whether or not you subscribe. Review each tool page for its available features.
Signing in enables account sync for supported features, regardless of whether the account is on Free or Premium. Not every tool stores data, and not every saved value is automatically synchronized. Check the tool’s own account-sync status before changing devices. Premium extras are listed on their tool pages; supported account sync is not a Premium-only benefit.
The Currency Converter includes a standard set of 20 major currencies, and Premium users can add extra currency codes to their working list. The account’s favourite-tools feature is also Premium-only and requires sign-in. These additions do not change the underlying conversion formula or make an estimate more authoritative; the tool page explains its data source and the limits of a live exchange-rate result.
A free account can still use the core calculator and text tools without a subscription. If an individual tool offers a Premium extra, its page should identify that difference before you rely on it. Sign-in and account sync are separate: a supported tool can sync for a signed-in Free or Premium account, while an extra feature may still require Premium. Review the price and feature description on this page before checkout.
The monthly option is £2.49 per month. The annual option is £19.99 for a year, displayed as an average of £1.67 per month, with the page showing a 33% saving compared with twelve monthly payments. The annual amount is charged for the yearly period; it is not billed as twelve separate monthly instalments.
Choose the period that matches how long you expect to use the ad-free plan. Compare the total annual charge with the convenience of paying monthly, and check the amount shown in the secure checkout before confirming. The pricing page displays amounts in pounds sterling; it does not replace the final billing details shown at checkout.
A free account is required to subscribe. If you are not signed in, the Premium button takes you to sign-up; after signing in, choose monthly or annual billing and continue to the hosted Stripe checkout. The page returns you to Helpful-Site.com when checkout completes. If the checkout does not load, check your connection and sign-in state before trying again.
To manage an existing subscription, open the Account page and choose Manage billing. That link opens the billing portal, where you can review the subscription and payment settings. Do not email card details or authentication codes to support. For a billing question, give the date and the general issue, but leave out full payment-card numbers and security codes.
You can cancel through Manage billing. The Account page reports when a subscription is scheduled to end and explains that Premium remains active until the end of the current billing period; advertising returns after that period. Check the account status after making a change rather than assuming the cancellation took effect from a support message alone.
Cancellation changes the advertising experience, not whether you may continue to use the free tools. Signing in and supported account-sync features remain available to free accounts. If you have questions about a payment or a cancellation date, use the billing portal first, then contact support with the account email and a brief description—not card credentials.
Free access is supported by advertising, while Premium subscribers are not shown ads. The cookie banner lets you accept optional advertising cookies or choose Necessary only. Your browser may also block or remove storage independently. Read the Cookie Policy for the site’s current description of consent and the Privacy Policy for information about account and contact data.
A subscription is not a promise that every third-party browser technology is disabled. The feature Premium changes is the display of advertising on the site. For the exact account-sync behaviour, look at the status shown inside each supported tool; for how personal information is handled, use the published privacy information.
Stay on Free if ads are acceptable and you only need the tools or supported account features. Choose Premium if removing advertising is worth the monthly or annual price to you. There is no need to subscribe just to test a calculator, compare two scenarios, or use the free version of a tool.
Before checkout, confirm the selected billing period, price, and account email. After checkout, verify the Premium status in your account. If your plan status does not update, refresh the Account page or contact support with the issue and approximate time of purchase. Never include a full card number or a password in the report.