BillSplitter
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Automated Invoice Split Calculator.

BillSplitter helps you split invoices across fiscal periods accurately and effortlessly. Built for finance professionals and businesses. Fast, simple, precise.

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Accurate Period Allocation

Automatically calculate how much of an invoice belongs to each fiscal period — no more manual errors. Learn more about expense recognition.
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Prepaid Expenses & Deferred Revenue

Supports allocation aligned with IFRS 15, HGB, and OR standards for clean, compliant bookkeeping. In line with IFRS 15 standards.
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No Login. No Data Storage.

Use BillSplitter instantly without creating an account. Your data stays secure and private. Read more about our privacy policy.
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Start Splitting Invoices Now

Launch the calculator and automate your revenue and expense allocations within seconds.

  • Day-accurate allocation calculations
  • No account required, works instantly
  • Compliant with IFRS 15, HGB and OR standards
Split Invoice Now
Invoice Allocation Illustration

Frequently Asked Questions

Get answers to the most common questions about our invoice splitting tool.

BillSplitter calculates proportional allocations based on the exact number of days in each fiscal period. It divides the total invoice amount by the number of days in the service period, then multiplies by the days in each fiscal year or period.
No, BillSplitter is completely account-free. You can use it instantly without signing up, creating a password, or providing any personal information. Your data is processed locally and never stored on our servers.
Yes, BillSplitter follows the principles of accrual accounting in accordance with IFRS 15, HGB, and OR standards, making it suitable for proper recognition of deferred revenue and prepaid expenses in financial statements.
Yes, BillSplitter supports multiple splitting options. You can allocate invoices across yearly, quarterly, or monthly periods depending on your accounting and reporting needs.
BillSplitter provides highly accurate calculations down to the day, with proper rounding to the decimal place of your choice. Any minor rounding differences are automatically adjusted to ensure the total always matches your input amount.

Our team replies in under 4 hours on business days. Feel free to reach out!