How long it takes for the set-up cost of automating your books (migration, rules, training) to be repaid by hours and fees saved.
Use this when you are deciding whether to move from spreadsheets or manual entry to accounting software with bank feeds, or to add receipt capture, invoice reminders or automated reconciliation rules.
Set-up cost is everything you pay once: your accountant or bookkeeper migrating opening balances, building bank rules and chart of accounts, a clean-up of past months, and your own training time valued at a rate you choose. Net yearly saving is the value of hours you no longer spend, plus any reduction in your accountant's year-end fee, minus any extra subscription cost compared with what you pay now. The saving can grow each year (for example as transaction volume grows); the calculator adds that growth and finds the point where cumulative savings equal the set-up cost.
Worked example (illustrative): set-up costs $2,500. Automation saves 4 hours a month of the owner's time valued at $40 an hour ($1,920 a year), and the accountant expects a $600 lower year-end fee because the books arrive reconciled. The upgraded plan and a receipt app cost $720 a year more. Net saving is $1,920 + $600 − $720 = $1,800 a year, so payback is roughly 1.4 years.
Limits: time savings are estimates and only become cash if you use the time productively or pay a bookkeeper less. Automation still needs a monthly review; see automating bookkeeping, worked through.
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