Commission Calculator

Commission is usually a percentage of sales plus fixed base pay and sometimes a bonus. Total earnings matter for reps; effective rate (total ÷ sales) shows how much of revenue goes to compensation.

Use this when modelling quota achievement, comparing plan versions, or checking whether a deal size hits accelerator tiers — enter the relevant sales and rate for that tier.

Commission is usually percentage of sales plus base pay and sometimes bonus. Reps care about total earnings; finance cares about effective rate (total ÷ sales).

Use when modelling quota achievement, plan versions, or deal-level comp.

Link to revenue calculator for team planning.

Sales £25,000 at 7.5% commission = £1,875. Base pay £2,000 and bonus £500 bring total earnings to £4,375.

Effective earnings rate = £4,375 ÷ £25,000 = 17.5% of sales — higher than the 7.5% commission rate alone because base and bonus are included.

On a slower month with only £10,000 sales, commission is £750 but base and bonus may still apply, changing the effective rate significantly.

Sales £25,000 at 7.5% = £1,875 commission. Base £2,000 + bonus £500 → total £4,375.

Effective rate 17.5% of sales — higher than 7.5% commission alone because base and bonus included.

On £10,000 sales month, commission £750 but base may still apply — effective rate jumps.

Clear rates on marginal sales reduce disputes. Accelerators above quota can reward over-performance without inflating base cost on every pound of revenue.

Model both strong and weak months so base pay still makes sense when commission is thin.

Commission = sales × (rate ÷ 100). Total earnings = commission + base + bonus. Effective rate = total ÷ sales × 100.

Accelerators above quota are not modelled unless you enter tier rate manually.

Clawbacks and splits are not included — use net sales eligible for commission.

New comp plan rollouts need scenario tables at 80%, 100%, and 120% quota — reps and finance should see the same effective rate examples before go-live.

Promotional spikes in sales can push commission cost faster than margin if rates apply to discounted revenue — model promo months explicitly.

Hiring additional reps requires budgeting total comp at expected sales per ramp month, not only at full quota twelve months out.

Clear rates on marginal sales reduce disputes — publish examples on incremental pounds above threshold.

Accelerators for over-quota reward stretch without raising base cost on every pound of revenue.

Caps protect margin when commission plans would otherwise pay on unprofitable lines.

Align with gross margin by product line so reps sell what the business can afford to deliver.

Model weak months so base pay still makes sense when commission alone is thin.

Reps optimise for visible earnings; finance needs effective rate (total comp ÷ sales) to stay inside margin. Publish both commission rate on marginal sales and example effective rate at quota, 110% quota, and 70% quota.

Accelerators above 100% quota motivate without raising base cost on every pound — model accelerator tiers in this calculator by entering blended rate for the period or running scenarios per tier.

Align commission eligibility with collected revenue or gross margin if refunds and discounting are common — paying on booked revenue that later cancels creates disputes and margin leaks.

Forecasting annual comp from one boom month without seasonality — effective rate looks cheap when base is spread over thin months.

Ignoring team splits and overlay roles — run the calculator per rep on eligible revenue, not team totals with full rate.

Setting commission on revenue that includes pass-through costs (media, shipping billed at cost) — commissionable base should match plan documents.

Publish effective rate examples at 70%, 100%, and 130% quota in the same table reps see commission rate.

When margin compresses, check whether commission still applies to discounted or low-margin product lines.

Model team expansion with revenue calculator per rep quota before approving headcount.

Paying 8% commission on £500,000 revenue costs £40,000 — if gross margin is 35%, commission consumes nearly 23% of gross profit before opex. Model commission as a share of contribution or gross profit when products have very different margins.

Tiered accelerators above quota motivate closers but can surprise finance if tiers apply retroactively — document whether higher rates apply to all revenue in the period or only dollars above threshold.

Split commission between lead source and closer when both roles exist — unclear rules create disputes that slow payouts and distort CRM hygiene.

Reconcile commission accruals monthly against net profit calculator outlook — a strong sales month with weak collections still needs cash to fund payouts.

Clawback provisions for refunded or cancelled deals should be written into the plan before disputes arise — finance and sales need one source of truth for when commission reverses.

This page should target commission calculator, sales commission calculator, commission rate calculator, commission plus base pay, and total sales earnings searches.

It calculates commission, total earnings, and effective earnings rate from sales amount, commission rate, base pay, and bonus. Use the commission plan accelerator calculator for tiered accelerators, quota attainment, clawbacks, split commissions, and draw recovery. It does not model tax withholding or payroll rules.