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Free bookkeeping calculators

Run the numbers behind your next bookkeeping decision.

Local business worksheet · GST and PST invoice estimate

Choose one practical question, enter a few planning figures and receive an immediate estimate with a specific next step.

Choose a scenario

Bookkeeping, provincial tax and local business worksheets.

No account numbers, tax identifiers or sensitive files are required. Use rounded planning figures.

Receivables scenario

What could faster collection release?

Estimate the working capital tied up when customers pay later than your practical target.

Ready when you are.

Use the estimate well

A useful planning number should show its assumptions.

Use rounded figures rather than sensitive account-level information.

Compare the estimate with statements, processor reports and filed returns.

Bring the result to a scoped conversation, not directly to a filing decision.

Saskatoon business worksheet

Agricultural and energy-service contract margin

Estimate one approved contract using costs recorded so far, commitments not yet incurred and other expected costs to finish. Keep each amount in only one category.

Direct contribution excludes general overhead, finance costs and income tax. Deduct recoverable GST from costs; include non-recoverable PST in the appropriate cost. Do not assume an energy or agricultural customer makes the supply exempt. Unapproved changes are excluded from revenue; this does not calculate lien deadlines or statutory holdbacks.

Your planning result

Enter the figures, then calculate.

Discuss these figures

The next step adds your figures to the enquiry form. Review or edit them before submitting.

Saskatoon business worksheet

Estimate GST and PST on a mixed invoice

Enter the full before-tax subtotal, then the portions subject to each standard tax. Keep approved zero-rated or exempt lines out of the relevant taxable amount.

For ordinary domestic sales with 5% GST and 6% PST on their respective before-tax amounts. Classify each invoice line first: zero-rated, exempt and fully taxable are different treatments. The two taxable amounts can overlap; they are not added to the subtotal. Farm status alone does not establish an exemption. Excludes special rates, accommodation, liquor, tax-included prices, other provinces' rates and exemption decisions. Rates checked September 6, 2026.

CRA GST/HST rates and place of supply · Saskatchewan sales tax guidance

Your planning result

Enter the figures, then calculate.

Discuss these figures

The next step adds your figures to the enquiry form. Review or edit them before submitting.